NPPES file of Aug 9, 2026

Henry Hagenstein, D.O.

Specialist · Grand Blanc, MI

Henry Hagenstein, D.O. is a specialist with a practice address in Grand Blanc, Michigan, and NPI 1346328226, issued on Nov 1, 2006. Check the license (Michigan HH007300, as entered in NPPES) with the Michigan board that licenses this profession; 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
1346328226
Name
Henry Hagenstein
Credential
D.O.
Primary taxonomy
Specialist 174400000X
License number
HH007300 MI
Self-reported in NPPES; status is on the state search
Practice location
3635 Genesys Pkwy, Grand Blanc, MI 48439
Phone
(810) 606-0682
Enumerated
Nov 1, 2006
Record last updated
Mar 23, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(810) 606-0686
Medicaid ID
1586061 MI
Medicare enrollment
Enrolled (PECOS I20080418000257); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Henry Hagenstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license HH007300
    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
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2.3 times the Medicare Part D claims of the average specialist in 2024

3,127 Medicare Part D claims for 449 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 78 claims were for opioids.

  1. Henry Hagenstein3,127
  2. Specialty average1,380

Most prescribed

  1. Levetiracetam229 claims
  2. Carbidopa-Levodopa192 claims
  3. Briviact114 claims
  4. Lamotrigine110 claims
  5. Lacosamide106 claims
  6. Rytary103 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: $1,550.81

89 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Henry Hagenstein$1,550.81
  2. Specialty average$4,760.79

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

Bills Medicare through one group practice

  1. Legacy Healthcare Services IncSalisbury, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Henry Hagenstein among 772 specialist records in Michigan

Henry Hagenstein, D.O. is one of 772 specialist records with a practice address in Michigan. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 66% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated1977 · median 1988 among the 73 with a school on file
  • Record last updated2010 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in Michigan

There are 772 specialist records in Michigan.

The 8 specialist records with the nearest ZIP codes

  1. William Lo, M.D.Grand Blanc, MI 484391164474490
  2. Sherry Akers, OTRLapeer, MI 484461386778892
  3. Anna Ruhl, EMT-PDryden, MI 484281861269326
  4. Melinda Torres, COTAMontrose, MI 484571376792788
  5. Margaret BlasdellClio, MI 484201184564429
  6. Greeta Kohn, OTRClio, MI 484201568747723
  7. Keir Gatzka, LMTOrtonville, MI 484621952844755
  8. Michele Bingle, MSED., ED.SBad Axe, MI 484131003064668

Common questions

What is Henry Hagenstein, D.O.'s NPI number?

Henry Hagenstein, D.O.'s National Provider Identifier (NPI) is 1346328226, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Henry Hagenstein, D.O. located?

The NPPES record lists a practice address at 3635 Genesys Pkwy, Grand Blanc, MI, 48439. Phone: (810) 606-0682. Providers update this record themselves, so call before visiting.

How can I verify Henry Hagenstein, D.O.'s license?

NPPES lists Michigan license number HH007300, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Henry Hagenstein, D.O. prescribe under Medicare Part D?

In 2024, Henry Hagenstein, D.O. had 3,127 Medicare Part D claims for 449 beneficiaries; the average among specialist prescribers was 1,380. 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.