Doctor profile · Federal record

Dr. William Baker, MD

Internal Medicine Physician (CMS: Rheumatology) · Rheumatology Physician · Charlotte, NC

  • NPI 1932589660
  • Accepts Medicare
  • MIPS 92.1 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4525 Cameron Valley Pkwy, Ste 4100
Charlotte, NC 282114369
(704) 468-8873
Additional location
704 Gold Hill RD, Ste 203
Fort Mill, SC 297158906
(803) 835-0405
Mailing address
Po Box 19305
Charlotte, NC 282199305

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
July 15, 2024
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
North Carolina #2020-01060

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932589660. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,220
Distinct HCPCS
10
Medicare allowed
$135,156
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,800 25 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 379 199 $121
J3489 Injection, zoledronic acid, 1 mg 235 47 $9
96366 Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 220 19 $20
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 158 66 $60
96372 Injection of drug or substance under skin or into muscle 128 51 $13
96375 Injection of additional new drug or substance into vein 83 26 $14
99204 New patient office or other outpatient visit, 45-59 minutes 77 77 $160
99215 Established patient office or other outpatient visit, 40-54 minutes 58 44 $172
96415 Administration of chemotherapy into vein, each additional hour 27 13 $25

In context: peer comparison

Among 187 peers in this city , average services per provider: 102. This provider delivers 32× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,092
Patients
371
Total drug cost
$1,043,981
Drug Type Claims Patients Total cost
Hydroxychloroquine Sulfate Generic 232 85 $16,072
Methotrexate (Methotrexate Sodium) Brand 229 79 $11,069
Prednisone Generic 193 107 $1,345
Allopurinol Generic 121 42 $1,877
Humira(Cf) Pen (Adalimumab) Brand 38 0 $328,622
Sulfasalazine Generic 35 0 $1,311
Benlysta (Belimumab) Brand 34 0 $168,888
Folic Acid Generic 34 12 $180
Alendronate Sodium Generic 32 14 $512
Meloxicam Generic 32 20 $163

Frequently asked questions

Auto-generated from federal data
What is Dr. William Baker's medical specialty?
Dr. William Baker practices Internal Medicine Physician in Charlotte, NC.
Where does Dr. William Baker practice?
Dr. William Baker practices at 4525 Cameron Valley Pkwy, Charlotte, NC 282114369. Office phone: 7044688873.
What is Dr. William Baker's NPI?
Dr. William Baker's National Provider Identifier (NPI) is 1932589660, issued by NPPES.
Does Dr. William Baker accept Medicare assignment?
Yes. Dr. William Baker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Baker commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Injection, zoledronic acid, 1 mg (HCPCS J3489). Source: CMS Medicare Physician & Other Practitioners file.