Doctor profile · Federal record

Dr. Joshua Baker, M.D.

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Philadelphia, PA

  • NPI 1396808937
  • Accepts Medicare
  • MIPS 85.5 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3400 Spruce Street, 8 Penn Tower
Philadelphia, PA 19104
(215) 662-2454

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
August 21, 2019
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Pennsylvania #MD432476

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396808937. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
56
Distinct HCPCS
2
Medicare allowed
$7,287
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 34 20 $149
99214 Established patient office or other outpatient visit, 30-39 minutes 22 16 $101

In context: peer comparison

Among 31 peers in Philadelphia Rheumatology Physician, average services per provider: 860. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
362
Patients
37
Total drug cost
$240,555
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 77 20 $2,071
Hydroxychloroquine Sulfate Generic 64 17 $3,968
Gabapentin Generic 32 0 $403
Prednisone Generic 28 0 $127
Allopurinol Generic 22 0 $208
Diclofenac Sodium Generic 22 0 $726
Folic Acid Generic 20 0 $55
Colchicine Generic 13 0 $338
Duloxetine Hcl Generic 13 0 $151
Humira (Adalimumab) Brand 13 0 $83,695

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joshua Baker's medical specialty?
Dr. Joshua Baker practices Rheumatology Physician in Philadelphia, PA.
Where does Dr. Joshua Baker practice?
Dr. Joshua Baker practices at 3400 Spruce Street, Philadelphia, PA 19104. Office phone: 2156622454.
What is Dr. Joshua Baker's NPI?
Dr. Joshua Baker's National Provider Identifier (NPI) is 1396808937, issued by NPPES.
Does Dr. Joshua Baker accept Medicare assignment?
Yes. Dr. Joshua Baker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joshua Baker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.