NPPES file of Aug 9, 2026

James Driscoll Gendernalik, D.O.

Family Medicine Physician · Saint Joseph, MI

James Driscoll Gendernalik, D.O. is a family medicine physician with a practice address in Saint Joseph, Michigan, and NPI 1720283633, issued on Jun 19, 2007. Check the license (Michigan 5101017990, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720283633
Name
James Driscoll Gendernalik
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
5101017990 MI
Self-reported in NPPES; status is on the state search
Practice location
2500 Niles RD Ste 1, Saint Joseph, MI 49085
Phone
(269) 429-5000
Enumerated
Jun 19, 2007
Record last updated
Feb 3, 2016 (not updated in 10 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify James Driscoll Gendernalik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101017990
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

14% fewer Medicare Part D claims than the average family medicine physician in 2024

3,038 Medicare Part D claims for 256 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 61 claims were for opioids.

  1. James Gendernalik3,038
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium235 claims
  2. Losartan Potassium120 claims
  3. Levothyroxine Sodium112 claims
  4. Lisinopril88 claims
  5. Amlodipine Besylate85 claims
  6. Gabapentin84 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.

Industry payments in 2024: $305.21

19 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Gendernalik$305.21
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

James Driscoll Gendernalik among 6,013 family medicine physician records in Michigan

James Driscoll Gendernalik, D.O. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 48% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2016 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 family medicine physician records list a practice address in Saint Joseph

They are 26 of the 1,038 NPPES records with a practice address in Saint Joseph, and 6,013 family medicine physician records in Michigan.

The 8 family medicine physician records with the nearest ZIP codes

  1. Charles Alderdice, D.O.Saint Joseph, MI 490851821056649
  2. Sigita Alimenti, M.D.St Joseph, MI 490851053376202
  3. Frederick Born, D.O.Saint Joseph, MI 490851295735751
  4. Matthew Campbell, M.D.Saint Joseph, MI 490851043284367
  5. David Collins, MDSaint Joseph, MI 490851326079823
  6. Michael Eggebrecht, DOSt Joseph, MI 490851316983018
  7. Loren Hamel, M.D.Saint Joseph, MI 490851487634465
  8. Katherine Hayward, MDSaint Joseph, MI 490851457388423

Common questions

What is James Driscoll Gendernalik, D.O.'s NPI number?

James Driscoll Gendernalik, D.O.'s National Provider Identifier (NPI) is 1720283633, issued on Jun 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James Driscoll Gendernalik, D.O. located?

The NPPES record lists a practice address at 2500 Niles RD Ste 1, Saint Joseph, MI, 49085. Phone: (269) 429-5000. Providers update this record themselves, so call before visiting.

How can I verify James Driscoll Gendernalik, D.O.'s license?

NPPES lists Michigan license number 5101017990, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James Driscoll Gendernalik, D.O. prescribe under Medicare Part D?

In 2024, James Driscoll Gendernalik, D.O. had 3,038 Medicare Part D claims for 256 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.