Doctor profile · Federal record

Dr. Suzanne Chapnick, M.D.

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Cambridge, MA

  • NPI 1609912245
  • Accepts Medicare
  • MIPS 81.3 / 100 · 2023
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1493 Cambridge St, Cambridge Health Alliance
Cambridge, MA 021391047
(617) 665-1566
Mailing address
8 Milford St, Apt 3
Boston, MA 021183652

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
February 28, 2012
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Massachusetts #229240

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609912245. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
340
Distinct HCPCS
5
Medicare allowed
$39,337
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 219 122 $104
99215 Established patient office or other outpatient visit, 40-54 minutes 40 30 $153
99205 New patient office or other outpatient visit, 60-74 minutes 32 32 $191
20610 Aspiration and/or injection of fluid from large joint 28 15 $51
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $142

In context: peer comparison

Among 4 peers in Cambridge Rheumatology Physician, average services per provider: 70. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$201
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Sanofi-Aventis U.S. LLC 1 $99.00
AstraZeneca Pharmaceuticals Lp 1 $57.42
Janssen Biotech, INC. 1 $45.00

By nature of payment

Education
$144
Food and Beverage
$57

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,226
Patients
311
Total drug cost
$1,397,934
Drug Type Claims Patients Total cost
Hydroxychloroquine Sulfate Generic 242 72 $16,885
Methotrexate (Methotrexate Sodium) Brand 161 44 $7,544
Prednisone Generic 143 54 $2,609
Diclofenac Sodium Generic 120 53 $6,186
Allopurinol Generic 73 17 $1,542
Actemra (Tocilizumab) Brand 66 0 $278,768
Leflunomide Generic 66 18 $6,495
Sulfasalazine Generic 57 14 $2,407
Colchicine Generic 52 18 $6,907
Orencia (Abatacept) Brand 50 0 $280,948

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Suzanne Chapnick's medical specialty?
Dr. Suzanne Chapnick practices Rheumatology Physician in Cambridge, MA.
Where does Dr. Suzanne Chapnick practice?
Dr. Suzanne Chapnick practices at 1493 Cambridge St, Cambridge, MA 021391047. Office phone: 6176651566.
What is Dr. Suzanne Chapnick's NPI?
Dr. Suzanne Chapnick's National Provider Identifier (NPI) is 1609912245, issued by NPPES.
Does Dr. Suzanne Chapnick accept Medicare assignment?
Yes. Dr. Suzanne Chapnick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Suzanne Chapnick 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 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.