Doctor profile · Federal record

Dr. Charles Oshinsky, MD

Rheumatology Physician (CMS: Rheumatology) · Chevy Chase, MD

  • NPI 1639608912
  • Accepts Medicare
  • MIPS 77.1 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5454 Wisconsin Ave Ste 600
Chevy Chase, MD 208156927
(301) 942-7600
fax (301) 652-0210
Mailing address
7361 Calhoun Pl Ste 600
Rockville, MD 208552788

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
February 17, 2026
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Maryland #D0093457

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639608912. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
19,834
Distinct HCPCS
10
Medicare allowed
$398,410
HCPCS Description Services Patients Avg allowed
J3111 Injection, romosozumab-aqqg, 1 mg 10,500 19 $10
J0897 Injection, denosumab, 1 mg 3,900 61 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 616 247 $138
36415 Insertion of needle into vein for collection of blood sample 488 267 $8
80053 Blood test, comprehensive group of blood chemicals 460 267 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 438 257 $8
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 417 76 $1
86140 Measurement c-reactive protein for detection of infection or inflammation 356 207 $5
85652 Red blood cell sedimentation rate, to detect inflammation, automated 355 208 $3
86235 Measurement of antibody for assessment of autoimmune disorder, any method 134 20 $17

In context: peer comparison

Among 2 peers in Chevy Chase Rheumatology Physician, average services per provider: 530. This provider delivers 37× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,305
Transactions
19
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Sobi, INC 3 $2,582.76
Abbvie INC. 11 $1,347.96
Amgen INC. 2 $203.44
Novartis Pharmaceuticals Corporation 2 $146.44
Organon LLC 1 $24.23

By nature of payment

Consulting Fee
$2,833
Travel and Lodging
$791
Food and Beverage
$682

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
623
Patients
147
Total drug cost
$321,206
Drug Type Claims Patients Total cost
Prednisone Generic 159 36 $1,511
Methotrexate (Methotrexate Sodium) Brand 111 32 $3,981
Hydroxychloroquine Sulfate Generic 50 18 $2,677
Meloxicam Generic 48 21 $384
Allopurinol Generic 44 14 $600
Alendronate Sodium Generic 40 14 $625
Colchicine Generic 26 0 $3,108
Humira(Cf) Pen (Adalimumab) Brand 24 0 $169,050
Gabapentin Generic 20 0 $413
Celecoxib Generic 18 0 $652

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Oshinsky's medical specialty?
Dr. Charles Oshinsky practices Rheumatology Physician in Chevy Chase, MD.
Where does Dr. Charles Oshinsky practice?
Dr. Charles Oshinsky practices at 5454 Wisconsin Ave Ste 600, Chevy Chase, MD 208156927. Office phone: 3019427600.
What is Dr. Charles Oshinsky's NPI?
Dr. Charles Oshinsky's National Provider Identifier (NPI) is 1639608912, issued by NPPES.
Does Dr. Charles Oshinsky accept Medicare assignment?
Yes. Dr. Charles Oshinsky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Oshinsky commonly perform?
Top Medicare-reported procedures in 2023: Injection, romosozumab-aqqg, 1 mg (HCPCS J3111); Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.