NPPES file of Aug 9, 2026

Kristi Kostoff, WHNP-BC

Obstetrics & Gynecology Physician · Monroe, MI

Kristi Kostoff, WHNP-BC is an obstetrics & gynecology physician with a practice address in Monroe, Michigan, and NPI 1043887672, issued on Jun 10, 2021. Check the license (Michigan 4704212854, 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
1043887672
Name
Kristi Kostoff
Credential
WHNP-BC
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
4704212854 MI
Self-reported in NPPES; status is on the state search
Practice location
1046 N Monroe St, Monroe, MI 48162
Phone
(734) 457-9034
Enumerated
Jun 10, 2021
Record last updated
Oct 1, 2025
Fax
(734) 457-4030
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.
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Also registered at 1046 N Monroe St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Corinne Diroff, CNMMidwife1265488381
  2. Alisha Marchand, CNMObstetrics & Gynecology Physician1386130037
  3. John Masserant, MDObstetrics & Gynecology Physician1669454146
  4. Samer Mossallam, DOObstetrics & Gynecology Physician1578545638
  5. Natasha Welker, CNMObstetrics Physician1154812535

Verify Kristi Kostoff 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 4704212854    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

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12% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

185 Medicare Part D claims for 83 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Kristi Kostoff185
  2. Specialty average165

Most prescribed

  1. Clotrimazole-Betamethasone35 claims
  2. Cephalexin19 claims
  3. Estradiol16 claims
  4. Nitrofurantoin Mono-Macro11 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: $309.34

16 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.

  1. Kristi Kostoff$309.34
  2. Specialty average$1,030.61

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

Obstetrics & Gynecology Physician providers in Michigan

There are 1,776 obstetrics & gynecology physician records in Michigan.

All 1,776 in Michigan → Every provider in Monroe →

Other obstetrics & gynecology physician records in Michigan

  1. Bryan Aaron, MDAnn Arbor, MI1578307724
  2. Mushtak Abbou, MDRoyal Oak, MI1093796922
  3. Youstina Abdallah, MDGrand Rapids, MI1679325062
  4. Adib Abdelrahman, D.O.Pontiac, MI1679889406
  5. Anan Abdelrahman, MDPontiac, MI1760472740
  6. Charlene Abernethy, DOWilliamsburg, MI1447305016
  7. Andrea Abessinio, D.O.Saint Clair Shores, MI1144237926
  8. Carmela Abessinio, D.O.Grosse Pointe, MI1174661763
  9. Joelle Abood, M.D.Troy, MI1063724813
  10. Margot Abundis, M.D.Roseville, MI1396746194

Common questions

What is Kristi Kostoff, WHNP-BC's NPI number?

Kristi Kostoff, WHNP-BC's National Provider Identifier (NPI) is 1043887672, issued on Jun 10, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Kristi Kostoff, WHNP-BC located?

The NPPES record lists a practice address at 1046 N Monroe St, Monroe, MI, 48162. Phone: (734) 457-9034. Providers update this record themselves, so call before visiting.

How can I verify Kristi Kostoff, WHNP-BC's license?

NPPES lists Michigan license number 4704212854, 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 Kristi Kostoff, WHNP-BC prescribe under Medicare Part D?

In 2024, Kristi Kostoff, WHNP-BC had 185 Medicare Part D claims for 83 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.