Marlin Amy Halder, MD
Family Medicine Physician · Portage, MI
Marlin Amy Halder, MD is a family medicine physician with a practice address in Portage, Michigan, and NPI 1881386951, issued on May 25, 2023. Check the license (Michigan 4301517493, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Marlin Amy Halder
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301517493 MI
Self-reported in NPPES; status is on the state search - Practice location
- 7901 Angling RD Ste 4, Portage, MI 49024
- Phone
- (269) 337-6500
- Enumerated
- May 25, 2023
- Record last updated
- Jun 20, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Verify Marlin Amy Halder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301517493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
338 Medicare Part D claims for 51 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Amlodipine Besylate28 claims
- Ozempic18 claims
- Ibuprofen16 claims
- Atorvastatin Calcium15 claims
- Omeprazole14 claims
- Jardiance12 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.
Marlin Amy Halder among 6,013 family medicine physician records in Michigan
Marlin Amy Halder, MD 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 2023, is newer than 92% of them.
- NPI issued2023 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2026 · 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).
30 family medicine physician records list a practice address in Portage
They are 30 of the 1,492 NPPES records with a practice address in Portage, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Portage → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Karen Betten, M.D.Portage, MI 490241699706119
- Linda Campbell, PAPortage, MI 490241447294574
- Matt Ciesielski, DOPortage, MI 490241861462327
- Amber Darey, MDPortage, MI 490241134199698
- Daniel GoldbergerPortage, MI 490241558477125
- Yon GrahamPortage, MI 490241750497335
- Humeera Hina, M.D.Portage, MI 490241336111905
- Kevin HollemanPortage, MI 490241871600015
Common questions
What is Marlin Amy Halder, MD's NPI number?
Marlin Amy Halder, MD's National Provider Identifier (NPI) is 1881386951, issued on May 25, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Marlin Amy Halder, MD located?
The NPPES record lists a practice address at 7901 Angling RD Ste 4, Portage, MI, 49024. Phone: (269) 337-6500. Providers update this record themselves, so call before visiting.
How can I verify Marlin Amy Halder, MD's license?
NPPES lists Michigan license number 4301517493, 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 Marlin Amy Halder, MD prescribe under Medicare Part D?
In 2024, Marlin Amy Halder, MD had 338 Medicare Part D claims for 51 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.