Doctor profile · Federal record

Dr. Katherine Holdwick, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Lenox, MI

  • NPI 1912400136
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
36267 26 Mile RD Ste 3
Lenox, MI 480483253
(586) 716-1371
fax (586) 716-4855

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Michigan #4704273604

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912400136. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
190
Distinct HCPCS
6
Medicare allowed
$13,478
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 73 62 $109
99213 Established patient office or other outpatient visit, 20-29 minutes 43 38 $76
81003 Automated urinalysis test 23 20 $2
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $98
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 17 15 $15
96372 Injection of drug or substance under skin or into muscle 16 13 $12

In context: peer comparison

Among 7 peers in Lenox Family Nurse Practitioner, average services per provider: 36. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$568
Transactions
30
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 6 $116.71
Merck Sharp & Dohme LLC 4 $90.61
Abbvie INC. 3 $55.14
Lilly USA, LLC 3 $54.26
GlaxoSmithKline, LLC. 3 $47.19
Novo Nordisk INC 2 $41.08
Shield Therapeutics INC 1 $24.26
Otsuka America Pharmaceutical, INC. 1 $21.48
Biogen, INC. 1 $20.38
Ironshore Pharmaceuticals INC. 1 $18.08
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $17.18
Tolmar, INC. 1 $16.64
Boehringer Ingelheim Pharmaceuticals, INC. 1 $15.33
Pulmonx Corporation 1 $15.14
Cranial Technologies, INC 1 $14.63

By nature of payment

Food and Beverage
$568

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
289
Patients
234
Total drug cost
$3,428
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 46 44 $419
Prednisone Generic 41 37 $140
Methylprednisolone Generic 32 28 $282
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 28 25 $226
Cephalexin Generic 26 26 $140
Cefdinir Generic 23 20 $344
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 21 14 $881
Ciprofloxacin Hcl Generic 17 16 $98
Nystatin Generic 15 0 $589
Azithromycin Generic 14 11 $115

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Holdwick's medical specialty?
Dr. Katherine Holdwick practices Family Nurse Practitioner in Lenox, MI.
Where does Dr. Katherine Holdwick practice?
Dr. Katherine Holdwick practices at 36267 26 Mile RD Ste 3, Lenox, MI 480483253. Office phone: 5867161371.
What is Dr. Katherine Holdwick's NPI?
Dr. Katherine Holdwick's National Provider Identifier (NPI) is 1912400136, issued by NPPES.
Does Dr. Katherine Holdwick accept Medicare assignment?
Yes. Dr. Katherine Holdwick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Holdwick commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.