Doctor profile · Federal record

Dr. Katherine Chakrabarti, MD

Rheumatology Physician (CMS: Rheumatology) · Ann Arbor, MI

  • NPI 1801245543
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3621 S State St
Ann Arbor, MI 481081633
(734) 647-5299
Mailing address
1500 E Medical Center Dr, Tc 3116
Ann Arbor, MI 481095368

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
August 12, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Michigan #4351027915

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801245543. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
153
Distinct HCPCS
5
Medicare allowed
$16,281
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 59 42 $97
99214 Established patient office or other outpatient visit, 30-39 minutes 50 38 $94
99215 Established patient office or other outpatient visit, 40-54 minutes 19 17 $128
99443 Telephone medical discussion with physician, 21-30 minutes 14 12 $99
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $187

In context: peer comparison

Among 19 peers in this city , average services per provider: 94. This provider delivers 1.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
778
Patients
202
Total drug cost
$742,671
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 169 40 $5,498
Prednisone Generic 168 64 $2,292
Hydroxychloroquine Sulfate Generic 119 49 $8,720
Humira(Cf) Pen (Adalimumab) Brand 63 0 $634,911
Mycophenolate Mofetil Generic 37 13 $15,130
Colchicine Generic 27 12 $1,276
Diclofenac Sodium Generic 27 13 $2,564
Sulfasalazine Generic 26 0 $1,280
Cyclobenzaprine Hcl Generic 25 0 $85
Leflunomide Generic 24 11 $1,752

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Chakrabarti's medical specialty?
Dr. Katherine Chakrabarti practices Rheumatology Physician in Ann Arbor, MI.
Where does Dr. Katherine Chakrabarti practice?
Dr. Katherine Chakrabarti practices at 3621 S State St, Ann Arbor, MI 481081633. Office phone: 7346475299.
What is Dr. Katherine Chakrabarti's NPI?
Dr. Katherine Chakrabarti's National Provider Identifier (NPI) is 1801245543, issued by NPPES.
Does Dr. Katherine Chakrabarti accept Medicare assignment?
Yes. Dr. Katherine Chakrabarti accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Chakrabarti 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 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.