James H. Mersey, M.D.
Endocrinology, Diabetes & Metabolism Physician · The Villages, FL
James H. Mersey, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in The Villages, Florida, and NPI 1669477683, issued on Jun 16, 2005. Check the license (Florida ME116216, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- James H. Mersey
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- ME116216 FL
D19329 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2955 Brownwood Blvd, The Villages, FL 32163
- Phone
- (352) 674-8700
- Enumerated
- Jun 16, 2005
- Record last updated
- Aug 18, 2025
- Fax
- (352) 674-8714
- Medicaid ID
- 053771300 MD
- Medicare enrollment
- Enrolled (PECOS I20131119000911); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1976
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 656 in Florida → Look up another NPI →
Also registered at 2955 Brownwood Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aimee Abell, PAPhysician Assistant1720470305
- Kaitlyn Burke, OTDOccupational Therapist1063256766
- Desiree Casasnovas - Lopez, M.D.Neurology Physician1851596738
- Michael Casteel, D.P.M.Podiatrist1023496643
- Michele Cofield, M.D.Gynecology Physician1164421301
- Tabitha Davidson, NPFamily Nurse Practitioner1003089129
Verify James H. Mersey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME116216Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
719 Medicare Part D claims for 271 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.
Most prescribed
- Levothyroxine Sodium112 claims
- Synthroid62 claims
- Ozempic42 claims
- Metformin Hcl32 claims
- Toujeo Solostar25 claims
- Humalog Kwikpen U-10022 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 93.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,526.99
28 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Centerwell Senior Primary Care Vitality IncThe Villages, FL
- Privia Care Center LLCBaltimore, MD
- The Villages Health System LLCThe Villages, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James H. Mersey among 656 endocrinology, diabetes & metabolism physician records in Florida
James H. Mersey, M.D. is one of 656 endocrinology, diabetes & metabolism physician records with a practice address in Florida. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1976 · median 2002 among the 462 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Florida
There are 656 endocrinology, diabetes & metabolism physician records in Florida.
All 656 in Florida → Every provider in The Villages → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Faustino Macuha, MDThe Villages, FL 321631548402423
- Frederick Niegos, MDThe Villages, FL 321631649277401
- Matthew Shlapack, M.D.The Villages, FL 321631982729109
- Sanjana Thota-Kammili, MBBSPalm Coast, FL 321641528682259
- Madhusudhan Banda, MDThe Villages, FL 321591164529293
- Jerry Drucker, MDThe Villages, FL 321591770581159
- Judith Faria Briceno, MDThe Villages, FL 321591164083929
- Sheila GuptaOrmond Beach, FL 321741487668463
Common questions
What is James H. Mersey, M.D.'s NPI number?
James H. Mersey, M.D.'s National Provider Identifier (NPI) is 1669477683, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James H. Mersey, M.D. located?
The NPPES record lists a practice address at 2955 Brownwood Blvd, The Villages, FL, 32163. Phone: (352) 674-8700. Providers update this record themselves, so call before visiting.
How can I verify James H. Mersey, M.D.'s license?
NPPES lists Florida license number ME116216, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James H. Mersey, M.D. prescribe under Medicare Part D?
In 2024, James H. Mersey, M.D. had 719 Medicare Part D claims for 271 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is James H. Mersey, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.