Doctor profile · Federal record

Dr. Charles Barker, DO

Family Medicine Physician (CMS: Osteopathic Manipulative Medicine) · Belding, MI

  • NPI 1588612576
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1320 W State St, Ste 3A
Belding, MI 488099245
(616) 794-1810
fax (616) 794-1947
Mailing address
1320 W State Street, Ste 3A
Belding, MI 488099245

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 16, 2024
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Michigan #5101013251
Medicaid (5)
MI #4784473 · MI #4784482 · MI #4784491 · MI #4784508 · MI #4784464

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588612576. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
104
Distinct HCPCS
3
Medicare allowed
$892
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 54 36 $10
83037 Hemoglobin a1c level, by device for home use 34 25 $10
81002 Urinalysis, manual test 16 12 $3

In context: peer comparison

Among 1 peers in this city , average services per provider: 34. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$766
Transactions
37
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 8 $147.54
ABBVIE INC. 4 $83.63
AstraZeneca Pharmaceuticals LP 5 $77.76
Lundbeck LLC 2 $61.83
Astellas Pharma US Inc 2 $53.84
Teva Pharmaceuticals USA, Inc. 2 $44.28
GlaxoSmithKline, LLC. 3 $42.96
Lilly USA, LLC 2 $35.50
Noven Therapeutics, LLC 2 $29.84
Merck Sharp & Dohme LLC 1 $24.47
Otsuka America Pharmaceutical, Inc. 1 $24.30
Antares Pharma, Inc. 1 $22.47
Mylan Specialty L.P. 1 $19.62
Corium, LLC 2 $19.20
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $18.71

By nature of payment

Food and Beverage
$766

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,887
Patients
705
Total drug cost
$52,903
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 369 60 $10,996
Atorvastatin Calcium Generic 324 85 $6,335
Omeprazole Generic 269 63 $5,692
Lisinopril Generic 263 68 $3,152
Levothyroxine Sodium Generic 221 55 $4,678
Furosemide Generic 197 45 $1,176
Amlodipine Besylate Generic 196 52 $2,164
Metformin Hcl Generic 177 50 $2,360
Tamsulosin Hcl Generic 150 33 $1,992
Gabapentin Generic 141 29 $3,317

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Barker's medical specialty?
Dr. Charles Barker practices Family Medicine Physician in Belding, MI.
Where does Dr. Charles Barker practice?
Dr. Charles Barker practices at 1320 W State St, Belding, MI 488099245. Office phone: 6167941810.
What is Dr. Charles Barker's NPI?
Dr. Charles Barker's National Provider Identifier (NPI) is 1588612576, issued by NPPES.
Does Dr. Charles Barker accept Medicare assignment?
Yes. Dr. Charles Barker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Barker commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036); Hemoglobin a1c level, by device for home use (HCPCS 83037); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.