Doctor profile · Federal record

Dr. Walter Rathkamp, M.D.

Family Medicine Physician (CMS: Family Practice) · Freeland, MI

  • NPI 1164406146
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7340 Midland RD
Freeland, MI 48623
(989) 695-8014
fax (989) 695-5810

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
October 11, 2018
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Michigan #4301068143
Medicaid
MI #4527494

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164406146. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
910
Distinct HCPCS
8
Medicare allowed
$79,222
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 426 164 $118
99213 Established patient office or other outpatient visit, 20-29 minutes 141 93 $75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 99 99 $123
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 76 17 $1
G0008 Administration of influenza virus vaccine 53 53 $29
83036 Hemoglobin a1c level 51 32 $9
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 51 51 $76
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 13 13 $13

In context: peer comparison

Among 3 peers in Freeland Family Medicine Physician, average services per provider: 115. This provider delivers 7.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$362
Transactions
20
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 4 $67.94
Lilly USA, LLC 3 $57.49
Boehringer Ingelheim Pharmaceuticals, INC. 2 $33.57
AstraZeneca Pharmaceuticals Lp 2 $31.27
Exact Sciences Corporation 1 $25.49
Abbvie INC. 1 $24.10
Lundbeck LLC 1 $20.88
Boston Scientific Corporation 1 $20.73
Otsuka America Pharmaceutical, INC. 1 $19.35
Antares Pharma, INC. 1 $16.58
Phathom Pharmaceuticals, INC. 1 $15.27
Takeda Pharmaceuticals U.S.A., INC. 1 $15.27
GlaxoSmithKline, LLC. 1 $13.56

By nature of payment

Food and Beverage
$362

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,223
Patients
907
Total drug cost
$215,510
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 608 169 $11,007
Amlodipine Besylate Generic 407 121 $4,557
Levothyroxine Sodium Generic 338 78 $5,438
Metoprolol Succinate Generic 305 88 $7,235
Lisinopril Generic 214 54 $2,205
Losartan Potassium Generic 213 58 $4,994
Pantoprazole Sodium Generic 155 58 $3,349
Telmisartan Generic 148 43 $8,213
Omeprazole Generic 133 36 $1,584
Meloxicam Generic 128 47 $1,024

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Walter Rathkamp's medical specialty?
Dr. Walter Rathkamp practices Family Medicine Physician in Freeland, MI.
Where does Dr. Walter Rathkamp practice?
Dr. Walter Rathkamp practices at 7340 Midland RD, Freeland, MI 48623. Office phone: 9896958014.
What is Dr. Walter Rathkamp's NPI?
Dr. Walter Rathkamp's National Provider Identifier (NPI) is 1164406146, issued by NPPES.
Does Dr. Walter Rathkamp accept Medicare assignment?
Yes. Dr. Walter Rathkamp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Rathkamp 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.