49
Mohamed Ismail, MD, MPH; Lance Miller, MA; Andrea Rodriguez, MS; Eric Frykman, MD, MPH, MBA

Mohamed Ismail, MD, MPH; Lance Miller, MA; Andrea ...€¦ · Mohamed Ismail, MD, MPH; Lance Miller, MA; Andrea Rodriguez, MS; Eric Frykman, MD, MPH, MBA. All thanks and praise are

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Page 1: Mohamed Ismail, MD, MPH; Lance Miller, MA; Andrea ...€¦ · Mohamed Ismail, MD, MPH; Lance Miller, MA; Andrea Rodriguez, MS; Eric Frykman, MD, MPH, MBA. All thanks and praise are

Mohamed Ismail, MD, MPH; Lance Miller, MA; Andrea Rodriguez, MS; Eric Frykman, MD, MPH, MBA

Page 2: Mohamed Ismail, MD, MPH; Lance Miller, MA; Andrea ...€¦ · Mohamed Ismail, MD, MPH; Lance Miller, MA; Andrea Rodriguez, MS; Eric Frykman, MD, MPH, MBA. All thanks and praise are

All thanks and praise are due to All thanks and praise are due to God, the most Compassionate, all G , C p ,

Merciful

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Acknowledgements

Co‐ authors on this project: Lance Miller, MA Andrea Rodriguez, MSEric Frykman, MD, MPH, MBA

S th Wi f  MPH  Di t  H lth GIS P  LLUSeth Wiafe, MPH; Director, Health GIS Program, LLU

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Introduction: Healthcare Disparity in theIntroduction: Healthcare Disparity in the USA

Superior healthcare technology…Health care resources: unevenly distributedHealth care resources: unevenly distributedMay impact whole populations, especially in certain geographic regions certain geographic regions National efforts to improve this: Healthy People 20102010

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Local efforts to improve disparity: California

Determined to promote equitable healthcareequitable healthcareCounties vary in size, terrain, population densitypopulation densityVary in their healthcare needs Office of statewide health Office of statewide health planning and development (OSHPD) put in charge 

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Medical Service Study AreasMedical Service Study Areas

Counties  divided into unique zones based on census tracts: MSSAs ‐Medical Service Study Areas

Goal of this division: direct healthcare efforts to the neediest populations within the counties.

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Health Professional Shortage Areas

MSSAs can be evaluated for federal Health Professional Shortage Area (HPSA) designation

This is based on the availability of providers & population needs of a particular MSSApopulation needs of a particular MSSA

There are three HPSA types based on the type of There are three HPSA types based on the type of provider in shortage: 

Primary Care, Mental health, & Dental y

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An MSSA must meet these criteria to qualifyAn MSSA must meet these criteria to qualify as a Primary Care HPSA 

1. Population to primary care provider (PCP) ratio: > 3,500:1  or> 3,000:1 (high need areas ‐poverty, infant death rates)

 L k  f     h l h   i   i hb i  2. Lack of access to health care in neighboring MSSAs:

Travel time >30 minutes to other MSSATravel time >30 minutes to other MSSAPopulation /doctor ratio in neighbor MSSA > 2000/1Other barriers: mountains in between, etc.Other barriers: mountains in between, etc.

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Mental and Dental HPSA Criteria

Mental HPSA criteria:Population to psychiatrist ratio (> 30 000:1) or to Population to psychiatrist ratio (> 30,000:1) or to certified mental health provider (> 9000:1)

Dental HPSA criteria: Population to dentist ratio > 5 000:1 Population to dentist ratio > 5,000:1 

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Th b fit f d i ti HPSAThe benefits of designation as an HPSA include: 

Eligibility for Rural Health ClinicsImproved Medicare reimbursementEnhanced Federal Grant eligibilityg yStudent Loan Repayment

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Aim of this Project

San Bernardino County has 26 MSSAs including several geographically isolated ones

Five of these were already designated as HPSAs 

We aimed to determine whether other MSSAs in the county would also qualify as HPSAs

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Methods: Preparing Maps and Populations

An ArcGIS map with San Bernardino County’s 26 MSSA’s was created from OSHPD’s databaseMSSAs was created from OSHPD s databaseMSSA populations: OSHPD’s attribute tables

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Physician search

Data sources for  Providers in each MSSA: SBC Medical SocietyOSHPDTri‐County Dental Society  & CA Dental Board y y

Providers listed by work address & specialty onlyy p y y1,185 PCPs Geo‐coded into the MSSA mapThe population/PCP ratios were calculated The population/PCP ratios were calculated 

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Primary Care Physiciansy y

0 10 20 305Miles

Source: OSHPD, By Lance Miller (SBCDPH)

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Criteria to qualify as an HPSA 

1. Population to provider ratio: Example: primary care:  > 3,500:1

2. Lack of access to care in neighboring MSSAs:g gTravel time >30 minutesPopulation /doctor ratio > 2000/1p / /

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P l ti t P i C P id R tiPopulation to Primary Care Provider Ratios

Meets 3 500:1 population to PCP criterion

0 10 20 305Miles

Meets 3,500:1 population to PCP criterion

Does not meet criteriaSource: OSHPD; By Lance Miller (SBCDPH)

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Limitations

HPSA designation does not guarantee improved access to the populationp pGathering accurate physician location data in urban areas is very time consumingDental and mental shortage areas were only searched for in the county’s rural MSSAs 

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Concl sion and recommendationsConclusion and recommendations

Using GIS may serve as a model to enhance Using GIS may serve as a model to enhance healthcare access.A health department may improve healthcare A health department may improve healthcare accessMany potential shortage designation areas are Many potential shortage designation areas are overlooked A solution for this would be a centralized system of yautomatic shortage designation  with an up‐to‐date database of physician work addresses would help

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R fReferences

http://oshpd.ca.govttp://os pd.ca.gohttp://factfinder.census.govhttp://www.infousa.comp //http://ahrq.govhttp://bhpr.hrsa.gov/shortagep p g ghttp://www.csrha.orghttp://tcds.org/http://www.dbc.ca.govhttp://www.cdc.gov/nchswww.mapquest.com

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Appendix 1:

Unusually High Need Populations>20% of the population < 100% of poverty levelp p p y>100 births per 1000 females age 15‐44 per year>20 infant deaths per 1000 live births per year

Primary care providers are in one of these specialtiesInternal Medicine, Family Practice 

dOB/GYN, PediatricsGeneral Practice