Olivia Allison Phifer-Combs, M.D.
Obstetrics & Gynecology Physician · Saginaw, MI
Olivia Allison Phifer-Combs, M.D. is an obstetrics & gynecology physician with a practice address in Saginaw, Michigan, and NPI 1366852923, issued on May 5, 2014. Check the license (Michigan 4301105038, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Olivia Allison Phifer-Combs
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 4301105038 MI
Self-reported in NPPES; status is on the state search - Practice location
- 926 N Michigan Ave, Saginaw, MI 48602
- Phone
- (989) 753-8453
- Enumerated
- May 5, 2014
- Record last updated
- Oct 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20180716000129); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →
Also registered at 926 N Michigan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Bassi, CNMAdvanced Practice Midwife1457022055
- Myrtie Biery, CNPObstetrics & Gynecology Nurse Practitioner1851499131
- Susanne Brooks, CNMAdvanced Practice Midwife1265410815
- Elizabeth Champagne-Edmondson, MDObstetrics & Gynecology Physician1427635283
- Celene Cherry, CNM, WHNP-BCAdvanced Practice Midwife1073194155
- Amelia Covatto, PA-CPhysician Assistant1245883628
Verify Olivia Allison Phifer-Combs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301105038Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
187 Medicare Part D claims for 80 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Estradiol24 claims
- Progesterone20 claims
- Medroxyprogesterone Acetate16 claims
- Clobetasol Propionate14 claims
- Estradiol (Once Weekly)12 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: $332.42
18 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US 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
- Valley OB Gyn Clinic PCSaginaw, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olivia Allison Phifer-Combs among 1,776 obstetrics & gynecology physician records in Michigan
Olivia Allison Phifer-Combs, M.D. 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
- Graduated2013 · median 2007 among the 1,003 with a school on file
- Record last updated2023 · 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).
54 obstetrics & gynecology physician records list a practice address in Saginaw
They are 54 of the 6,008 NPPES records with a practice address in Saginaw, and 1,776 obstetrics & gynecology physician records in Michigan.
All 1,776 in Michigan → Every provider in Saginaw → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Angie Domingo, M.D.Saginaw, MI 486021396744876
- Frederick Eruo, MDSaginaw, MI 486021952455594
- Edwin Galsterer, DOSaginaw, MI 486021689718892
- Duane Heilbronn, M.D.Saginaw, MI 486021417956186
- James Hines, M.D.Saginaw, MI 486021215936794
- Shirley Layko, MDSaginaw, MI 486021679683940
- Michelle Liamidi, M.D.Saginaw, MI 486021861661258
- John Llewelyn, MDSaginaw, MI 486021942209424
Common questions
What is Olivia Allison Phifer-Combs, M.D.'s NPI number?
Olivia Allison Phifer-Combs, M.D.'s National Provider Identifier (NPI) is 1366852923, issued on May 5, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Allison Phifer-Combs, M.D. located?
The NPPES record lists a practice address at 926 N Michigan Ave, Saginaw, MI, 48602. Phone: (989) 753-8453. Providers update this record themselves, so call before visiting.
How can I verify Olivia Allison Phifer-Combs, M.D.'s license?
NPPES lists Michigan license number 4301105038, 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 Olivia Allison Phifer-Combs, M.D. prescribe under Medicare Part D?
In 2024, Olivia Allison Phifer-Combs, M.D. had 187 Medicare Part D claims for 80 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.