Katelyn Hartung, D.O.
Obstetrics & Gynecology Physician · Grand Blanc, MI
Katelyn Hartung, D.O. is an obstetrics & gynecology physician with a practice address in Grand Blanc, Michigan, and NPI 1063810497, issued on Dec 17, 2014. Check the license (Michigan 5101022257, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Katelyn Hartung
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 5101022257 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1 Genesys Pkwy, Grand Blanc, MI 48439
- Phone
- (810) 606-5000
- Enumerated
- Dec 17, 2014
- Record last updated
- May 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200610003196); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →
Also registered at 1 Genesys Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katelyn Hartung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101022257Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
101 Medicare Part D claims for 44 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Estradiol12 claims
- Norethindrone Acetate11 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: $40.98
2 payments; by number, the most common kind was food and beverage; the largest payer was Sage Therapeutics, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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 one group practice
- Henry Ford Health SystemDetroit, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katelyn Hartung among 1,776 obstetrics & gynecology physician records in Michigan
Katelyn Hartung, D.O. is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 66% of them.
- NPI issued2014 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2016 · median 2007 among the 1,003 with a school on file
- Record last updated2016 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 obstetrics & gynecology physician records list a practice address in Grand Blanc
They are 31 of the 1,735 NPPES records with a practice address in Grand Blanc, and 1,776 obstetrics & gynecology physician records in Michigan.
All 1,776 in Michigan → Every provider in Grand Blanc → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Anastasia Arab, D.O.Grand Blanc, MI 484391740549070
- Ellen Bianchi, DOGrand Blanc, MI 484391679953889
- John Carr, D.O.Grand Blanc, MI 484391861886665
- Julianna Friesen, D.O.Grand Blanc, MI 484391265895031
- Keith Heslinger, M.D.Grand Blanc, MI 484391275540718
- Kendra Johnson, D.O.Grand Blanc, MI 484391205060761
- Joseph Kingsbury, D.O.Grand Blanc, MI 484391063458149
- Martin Lapa, D.O.Grand Blanc, MI 484391639184070
Common questions
What is Katelyn Hartung, D.O.'s NPI number?
Katelyn Hartung, D.O.'s National Provider Identifier (NPI) is 1063810497, issued on Dec 17, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Katelyn Hartung, D.O. located?
The NPPES record lists a practice address at 1 Genesys Pkwy, Grand Blanc, MI, 48439. Phone: (810) 606-5000. Providers update this record themselves, so call before visiting.
How can I verify Katelyn Hartung, D.O.'s license?
NPPES lists Michigan license number 5101022257, 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 Katelyn Hartung, D.O. prescribe under Medicare Part D?
In 2024, Katelyn Hartung, D.O. had 101 Medicare Part D claims for 44 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.