Dr. Charles Oshinsky, MD

  • Chevy Chase, MD
  • Rheumatologist
NPI1639608912PAC ID8325317100
Medicare services, 2024
36,426
Medicare patients, 2024
692
Part D claims, 2024
1,326
Publications
7
MIPS score, 2024
86
Practice address
5454 Wisconsin Ave, Chevy Chase, MD 20815
Practice phone
Call (301) 654-5700
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Weps Obs LLC

Chevy Chase, Maryland

See all 6 affiliations

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Dr. Charles Oshinsky is a rheumatologist in Chevy Chase, Maryland

Dr. Oshinsky practices at Weps Obs LLC in Chevy Chase, Maryland.

Dr. Oshinsky's NPI, 1639608912, was assigned on June 8, 2017. Dr. Oshinsky graduated from New York University School of Medicine in 2017. Dr. Oshinsky holds Maryland license D0093457.

NPI and contact details
Medicare PAC ID
8325317100
NPI enumeration date
June 8, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(301) 654-5700
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Charles Oshinsky practices at Weps Obs LLC in Chevy Chase, Maryland

Dr. Oshinsky's primary practice is Weps Obs LLC, at 5454 Wisconsin Ave, Chevy Chase, MD 20815 in Montgomery County. The practice phone is (301) 654-5700.

  • Weps Obs LLC
    5454 Wisconsin Ave, Chevy Chase, MD 20815 · Montgomery CountyPhone(301) 654-5700

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Charles Oshinsky is affiliated with 4 sites of care and 2 medical groups

Dr. Oshinsky's primary practice is Weps Obs LLC in Chevy Chase, Maryland. Dr. Oshinsky is also affiliated with Frederick Health Hospital. The medical group on file is Arthritis and Rheumatism Associates, P.C. Dmand AI also links Dr. Oshinsky to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Oshinsky

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Charles Oshinsky's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oshinsky practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Weps Obs LLCAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Charles Oshinsky is one of 177 rheumatologists in Maryland

Rheumatology is Dr. Oshinsky's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dmand AI has Dr. Oshinsky's licenses on file in 2 states: Maryland and Illinois.

Specialties and state licenses

  • Rheumatology, MarylandPrimaryLicense D0093457 · taxonomy 207RR0500X
  • Internal medicine, IllinoisLicense 125070035 · taxonomy 207R00000X

Rheumatologists near Dr. Oshinsky

Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.

177rheumatologists in Maryland
6rheumatologists in Chevy Chase

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Charles Oshinsky billed Medicare for 36,426 services in 2024

CMS data shows 36,426 Medicare services from Dr. Oshinsky across 55 procedure codes in 2024, for 692 Medicare patients. Medicare paid $493,176 for them. Every service was in an office.

Medicare services, 202436,426
Medicare patients692
Paid by Medicare$493,176
Procedure codes55

Dr. Oshinsky's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 14,9172024: 30,152102%
Lab and pathology
2023: 2,6712024: 2,6881%
Office and hospital visits
2023: 8612024: 1,11730%
Other services
2023: 282024: 9723371%
Surgery
2023: 6332024: 6163%
Imaging
2023: 3592024: 48936%
Tests and treatments
2023: 3652024: 3927%

Dr. Oshinsky compared with the Maryland median for rheumatologists, 2024

  • Dr. Oshinsky
  • Maryland median
Medicare services
36,426vs 3,9159.3 times
Medicare patients
692vs 3002.3 times
Part D claims
1,104vs 78241% above

Medians across 168 rheumatologists in Maryland with Dmand AI profiles that report each measure.

Dr. Oshinsky's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Oshinsky

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Charles Oshinsky treated 692 Medicare patients in 2024, average age 74

CMS counts 692 Medicare patients who saw Dr. Oshinsky in 2024. The largest group is 65 to 74, with 330 patients. 75% of them have arthritis, and 75% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Oshinsky's median patient age at 66, with 72% women.

Medicare patients, 2024692
Average age74
Average risk score1.14
Also on Medicaid7%

Dr. Oshinsky's Medicare patients by age, 2024

Dr. Oshinsky's Medicare patients by sex, 2024

  • Women49572%
  • Men19728%

Chronic conditions among Dr. Oshinsky's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Osteoporosis46%
  5. Anxiety27%
  6. Ischemic heart disease27%
  7. Mood disorders26%
  8. Depression23%

Share of Medicare patients with each condition. A patient can have several.

Dr. Oshinsky's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women72%
  • Men26%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Charles Oshinsky wrote 1,326 Medicare Part D claims in 2024

In 2024, Dr. Oshinsky wrote 1,326 Medicare Part D claims for 255 patients. 90% of them were for generic drugs. CMS names the drug for 1,104 of them, across 24 drugs with 11 or more claims each, at $523,902 in total drug cost. In 2023, CMS named 692 claims across 21 drugs.

Part D claims, 20241,326
Drugs named by CMS24
Total drug cost$523,902
Part D patients255

Dr. Oshinsky's Part D claims by kind of drug, 2024

  • Generic1,200 claims90%
  • Brand-name126 claims10%

Dr. Oshinsky's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Oshinsky's Part D claims, 2024

  • Opioids6%80 of 1,326 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6922024: 1,10460%

Drugs named by CMS: 24 in 2024, 21 in 2023.

See all prescribing by Dr. Oshinsky

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Charles Oshinsky scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Oshinsky for performance year 2024, reported as part of a group. Dr. Oshinsky accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Oshinsky as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Oshinsky's MIPS scores, performance year 2024

  • 86of 100Final score
  • 93.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 59of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Charles Oshinsky has 7 publications on record

Dmand AI links 7 papers to Dr. Oshinsky, published from 2017 to 2024. 2021 was the busiest year, with 2. The most frequent topics are Carotid Intima-Media Thickness, Giant Cell Arteritis and Temporal Arteries. Dr. Oshinsky has published most often in J Clin Rheumatol. Dr. Oshinsky's most frequent co-authors are Alison Marie Bays, MD, Elizabeth T. Jernberg, MD and Ingeborg A. Sacksen, MD.

Papers7
Years published2017 to 2024

Dr. Oshinsky's papers by year, 2017 to 2024

Topics Dr. Oshinsky writes about most

  • Carotid Intima-Media Thickness
  • Giant Cell Arteritis
  • Temporal Arteries
  • Ultrasonography

Dr. Oshinsky's most frequent co-authors

Recent publications by Dr. Oshinsky

See all 7 publications and co-authors

See who Dr. Oshinsky researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Oshinsky works with, so you can find a warm path to the right rheumatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Charles Oshinsky received $11,309 in industry payments from 2018 to 2025

CMS Open Payments shows 47 general payments to Dr. Oshinsky from 10 drug and device companies from 2018 to 2025. Speaker and faculty fees make up the largest share, 45% of the total. Abbvie Inc. paid the most, $7,381.

General payments to Dr. Oshinsky by program year, 2018 to 2025

General payments to Dr. Oshinsky by kind, 2018 to 2025

$11.3Kin total
  • Speaker and faculty fees$5,10045%
  • Consulting fees$2,83325%
  • Food and beverage$1,76516%
  • Travel and lodging$1,51113%
  • Education$1001%

Companies that paid Dr. Oshinsky the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Oshinsky

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Charles Oshinsky graduated from New York University School of Medicine

Dr. Oshinsky graduated from New York University School of Medicine in 2017.

  1. Medical schoolNew York University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Charles Oshinsky's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Charles Oshinsky

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Charles Oshinsky's NPI number?

Dr. Charles Oshinsky's NPI number is 1639608912. It was assigned on June 8, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Charles Oshinsky?

Dr. Charles Oshinsky is a rheumatologist in Chevy Chase, Maryland. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Charles Oshinsky practice?

Dr. Oshinsky practices at 5454 Wisconsin Ave, Chevy Chase, MD 20815. Dr. Oshinsky's primary practice is Weps Obs LLC in Chevy Chase, Maryland. Dmand AI also links Dr. Oshinsky to 2 group practices and clinics and 1 medical group.

What is Dr. Charles Oshinsky's office phone number?

The practice phone on file for Dr. Oshinsky is (301) 654-5700.

What is Dr. Charles Oshinsky's medical license number?

Dr. Oshinsky holds Maryland license D0093457, one of the licenses on file in 2 states.

Which states has Dr. Charles Oshinsky been licensed in?

Dmand AI has state licenses on file for Dr. Oshinsky in Maryland and Illinois.

Which hospitals is Dr. Charles Oshinsky affiliated with?

Dr. Oshinsky is affiliated with Frederick Health Hospital.

What medical group is Dr. Charles Oshinsky part of?

Dr. Oshinsky is linked to Arthritis and Rheumatism Associates, P.C. Dmand AI links Dr. Oshinsky to 1 more medical group.

Does Dr. Charles Oshinsky accept Medicare?

Yes. CMS data shows Dr. Oshinsky billed Medicare for 36,426 services in 2024, and Dr. Oshinsky accepts Medicare assignment.

Does Dr. Charles Oshinsky offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Oshinsky as offering telehealth services.

Show 9 more questionsShow fewer questions

What is Dr. Charles Oshinsky's MIPS score?

Dr. Oshinsky's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

How many Medicare patients does Dr. Charles Oshinsky see?

CMS counts 692 Medicare patients who saw Dr. Oshinsky in 2024, with an average age of 74.

What services does Dr. Charles Oshinsky bill to Medicare?

In 2024, Dr. Oshinsky's most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J3111) and injected or infused drug (J1602).

Where did Dr. Charles Oshinsky go to medical school?

Dr. Oshinsky graduated from New York University School of Medicine in 2017.

What drugs does Dr. Charles Oshinsky prescribe most?

In 2024 Medicare Part D data, Dr. Oshinsky's most prescribed drugs by claims were Prednisone, Methotrexate and Hydroxychloroquine Sulfate.

Has Dr. Charles Oshinsky received payments from drug or device companies?

CMS Open Payments shows $11,309 in general payments to Dr. Oshinsky from 10 companies from 2018 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Charles Oshinsky been practicing?

Dr. Oshinsky graduated from medical school in 2017, 9 years ago.

Does Dr. Charles Oshinsky do research?

Dmand AI links 7 publications to Dr. Oshinsky, published from 2017 to 2024.

Who does Dr. Charles Oshinsky publish with?

Dr. Oshinsky's most frequent co-authors are Alison Marie Bays, MD (3 shared papers), Elizabeth T. Jernberg, MD (3 shared papers) and Ingeborg A. Sacksen, MD (3 shared papers).

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