Doctor profile · Federal record

Dr. Charles Famoyin, M.D.

Hematology & Oncology Physician (CMS: General Practice) · Internal Medicine Physician · Johnson City, TN

  • NPI 1003807355
  • MIPS 76.4 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
302 Wesley St, Suite 3
Johnson City, TN 376011740
(423) 282-0561
fax (423) 268-2674

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
August 24, 2023
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Tennessee #41664
Medicaid
TN #3833830

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003807355. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
56,917
Distinct HCPCS
10
Medicare allowed
$249,093
HCPCS Description Services Patients Avg allowed
J1071 Injection, testosterone cypionate, 1 mg 42,603 15 $0
J2405 Injection, ondansetron hydrochloride, per 1 mg 4,369 84 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 2,581 79 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 1,103 228 $115
36415 Insertion of needle into vein for collection of blood sample 988 207 $8
96375 Injection of additional new drug or substance into vein 703 86 $13
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 693 88 $54
96367 Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 592 86 $25
96372 Injection of drug or substance under skin or into muscle 578 111 $13
J1885 Injection, ketorolac tromethamine, per 15 mg 546 62 $0

In context: peer comparison

Among 2 peers in Johnson City Hematology & Oncology Physician, average services per provider: 1,390. This provider delivers 41× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$144
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Adc Therapeutics America, INC. 1 $63.24
Accord Healthcare, INC. 2 $48.52
Pfizer INC. 2 $31.77

By nature of payment

Food and Beverage
$144

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,442
Patients
438
Total drug cost
$3,048,021
Drug Type Claims Patients Total cost
Privigen (Immun Glob G(Igg)/Pro/Iga 0-50) Brand 281 48 $1,664,975
Folic Acid Generic 227 80 $929
Eliquis (Apixaban) Brand 115 21 $87,115
Vitamin D2 (Ergocalciferol (Vitamin D2)) Brand 105 48 $564
Prednisone Generic 101 57 $465
Gammaked (Immune Globul G/Gly/Iga Avg 46) Brand 90 19 $578,035
Gamunex-C (Immune Globul G/Gly/Iga Avg 46) Brand 79 13 $277,912
Gabapentin Generic 74 20 $1,270
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 62 19 $1,336
Potassium Chloride Generic 60 32 $1,039

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Famoyin's medical specialty?
Dr. Charles Famoyin practices Hematology & Oncology Physician in Johnson City, TN.
Where does Dr. Charles Famoyin practice?
Dr. Charles Famoyin practices at 302 Wesley St, Johnson City, TN 376011740. Office phone: 4232820561.
What is Dr. Charles Famoyin's NPI?
Dr. Charles Famoyin's National Provider Identifier (NPI) is 1003807355, issued by NPPES.
Does Dr. Charles Famoyin accept Medicare assignment?
Dr. Charles Famoyin does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Charles Famoyin commonly perform?
Top Medicare-reported procedures in 2023: Injection, testosterone cypionate, 1 mg (HCPCS J1071); Injection, ondansetron hydrochloride, per 1 mg (HCPCS J2405); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100). Source: CMS Medicare Physician & Other Practitioners file.