Doctor profile · Federal record

Dr. Douglas Vanderjagt, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Williamston, MI

  • NPI 1730121880
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
839 S Putnam St
Williamston, MI 488951623
(517) 655-3515
fax (855) 476-0189
Additional location
3955 Patient Care Dr Ste A
Lansing, MI 489114271
(517) 374-7600
fax (885) 480-9150
Mailing address
3955 Patient Care Dr
Lansing, MI 489114299

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 24, 2025
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #5101013545
Medicaid (2)
MI #4218345 · MI #4835895

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730121880. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,116
Distinct HCPCS
10
Medicare allowed
$103,677
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 320 162 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 258 150 $86
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 131 131 $124
G0444 Annual depression screening, 5 to 15 minutes 119 119 $16
G0008 Administration of influenza virus vaccine 54 54 $28
90662 Influenza vaccine split virus, preservative free 51 51 $70
96372 Injection of drug or substance under skin or into muscle 30 13 $12
99495 Transitional care management services for problem of at least moderate complexity 25 21 $189
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 24 24 $259
G0009 Administration of pneumococcal vaccine 23 23 $26

In context: peer comparison

Among 1 peers in Williamston Internal Medicine Physician, average services per provider: 69. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$737
Transactions
43
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 15 $168.42
Novo Nordisk INC 7 $136.97
Amgen INC. 4 $73.55
Mylan Specialty L.P. 3 $67.90
GlaxoSmithKline, LLC. 3 $57.61
Pfizer INC. 2 $42.06
Exact Sciences Corporation 2 $40.07
AstraZeneca Pharmaceuticals Lp 2 $29.30
Otsuka America Pharmaceutical, INC. 1 $28.39
Abbott Laboratories 1 $26.62
Lilly USA, LLC 1 $25.77
Merck Sharp & Dohme LLC 1 $21.56
Boehringer Ingelheim Pharmaceuticals, INC. 1 $19.09

By nature of payment

Food and Beverage
$737

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,424
Patients
1,268
Total drug cost
$75,529
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 519 146 $8,341
Atorvastatin Calcium Generic 511 149 $7,563
Amlodipine Besylate Generic 508 141 $4,611
Omeprazole Generic 361 112 $6,658
Pantoprazole Sodium Generic 322 103 $5,831
Metoprolol Succinate Generic 276 84 $6,118
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 270 41 $5,470
Tramadol Hcl Generic 242 59 $1,140
Lisinopril Generic 239 77 $2,433
Losartan Potassium Generic 213 69 $4,234

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Vanderjagt's medical specialty?
Dr. Douglas Vanderjagt practices Internal Medicine Physician in Williamston, MI.
Where does Dr. Douglas Vanderjagt practice?
Dr. Douglas Vanderjagt practices at 839 S Putnam St, Williamston, MI 488951623. Office phone: 5176553515.
What is Dr. Douglas Vanderjagt's NPI?
Dr. Douglas Vanderjagt's National Provider Identifier (NPI) is 1730121880, issued by NPPES.
Does Dr. Douglas Vanderjagt accept Medicare assignment?
Yes. Dr. Douglas Vanderjagt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Vanderjagt 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.