Katherine Holdwick, FNP-C
Family Nurse Practitioner · Lenox, MI
Katherine Holdwick, FNP-C is a family nurse practitioner with a practice address in Lenox, Michigan, and NPI 1912400136, issued on Mar 14, 2018. Check the license (Michigan 4704273604, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Holdwick
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 4704273604 MI
Self-reported in NPPES; status is on the state search - Practice location
- 36267 26 Mile RD Ste 3, Lenox, MI 48048
- Phone
- (586) 716-1371
- Enumerated
- Mar 14, 2018
- Record last updated
- Mar 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (586) 716-4855
- Medicare enrollment
- Enrolled (PECOS I20180315002143); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 36267 26 Mile RD Ste 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tara Fletcher, FNPFamily Nurse Practitioner1902474778
- Lauren Gauthier, NP-CFamily Nurse Practitioner1558025635
- Jenny Yestrepsky, NPFamily Nurse Practitioner1447962113
Verify Katherine Holdwick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704273604Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average family nurse practitioner in 2024
441 Medicare Part D claims for 204 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Methylprednisolone38 claims
- Cephalexin34 claims
- Doxycycline Hyclate34 claims
- Prednisone34 claims
- Albuterol Sulfate Hfa26 claims
- Cefdinir25 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: $568.11
30 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 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
- Physician Healthcare Network PCLenox, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
10 family nurse practitioner records list a practice address in Lenox
They are 10 of the 53 NPPES records with a practice address in Lenox, and 5,356 family nurse practitioner records in Michigan.
All 10 in Lenox → All 5,356 in Michigan → Every provider in Lenox →
Other family nurse practitioner records in Michigan
- Uaye Abai, BSC, BSN, RN, FNPWest Bloomfield, MI1457460222
- Leila Abbas, NPInkster, MI1356857056
- Norma AbbottCaro, MI1700321346
- Bianca Abboud, FNPSaginaw, MI1588437404
- Fatima Abdallah, FNP-BCDearborn, MI1831783695
- Fatmeh Abdallah, FNPDearborn, MI1700678745
- Houda AbdallahOak Park, MI1811524655
- Zienab Abdallah, FNPDearborn, MI1417718065
- Samir Abdel-HakCanton, MI1194541094
- Deya Abdelbaki, NPBelleville, MI1427582311
Common questions
What is Katherine Holdwick, FNP-C's NPI number?
Katherine Holdwick, FNP-C's National Provider Identifier (NPI) is 1912400136, issued on Mar 14, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Holdwick, FNP-C located?
The NPPES record lists a practice address at 36267 26 Mile RD Ste 3, Lenox, MI, 48048. Phone: (586) 716-1371. Providers update this record themselves, so call before visiting.
How can I verify Katherine Holdwick, FNP-C's license?
NPPES lists Michigan license number 4704273604, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Holdwick, FNP-C prescribe under Medicare Part D?
In 2024, Katherine Holdwick, FNP-C had 441 Medicare Part D claims for 204 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.