Robert Chojnowski, MD
Pain Medicine (Anesthesiology) Physician · Philadelphia, PA
Robert Chojnowski, MD is a pain medicine (anesthesiology) physician with a practice address in Philadelphia, Pennsylvania, and NPI 1912439704, issued on Mar 30, 2017. Check the license (Pennsylvania MD477380, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Robert Chojnowski
- Credential
- MD
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License numbers
- MD477380 PA
25MA11542800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce Street, Philadelphia, PA 19104
- Phone
- (215) 349-8310
- Enumerated
- Mar 30, 2017
- Record last updated
- Dec 6, 2022
- Fax
- (215) 893-7270
- Medicare enrollment
- Enrolled (PECOS I20221219002135); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 200 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Chojnowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD477380Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
710 Medicare Part D claims for 152 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 175 claims were for opioids.
Most prescribed
- Gabapentin129 claims
- Pregabalin101 claims
- Duloxetine Hcl82 claims
- Tizanidine Hcl48 claims
- Oxycodone Hcl42 claims
- Meloxicam35 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $278.10
7 payments; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Clinical Health Care Associates OF New Jersey PCCherry Hill, NJ
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Chojnowski among 200 pain medicine (anesthesiology) physician records in Pennsylvania
Robert Chojnowski, MD is one of 200 pain medicine (anesthesiology) physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2017 · median 2007 among the 153 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Pennsylvania
There are 200 pain medicine (anesthesiology) physician records in Pennsylvania.
All 200 in Pennsylvania → Every provider in Philadelphia → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Michael Ashburn, MD, MPHPhiladelphia, PA 191041750481461
- Ignacio Badiola, MDPhiladelphia, PA 191041437329109
- Russell Bell, MDPhiladelphia, PA 191041376707265
- Praba Boominathan, MDPhiladelphia, PA 191041629456074
- Amit Doshi, M.D.Philadelphia, PA 191041457630683
- Sharmil Gohil, MDPhiladelphia, PA 191041962848150
- Arthur Kitt, MDPhiladelphia, PA 191041861784886
- Issam Mardini, MDPhiladelphia, PA 191041366439705
Common questions
What is Robert Chojnowski, MD's NPI number?
Robert Chojnowski, MD's National Provider Identifier (NPI) is 1912439704, issued on Mar 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Robert Chojnowski, MD located?
The NPPES record lists a practice address at 3400 Spruce Street, Philadelphia, PA, 19104. Phone: (215) 349-8310. Providers update this record themselves, so call before visiting.
How can I verify Robert Chojnowski, MD's license?
NPPES lists Pennsylvania license number MD477380, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Chojnowski, MD prescribe under Medicare Part D?
In 2024, Robert Chojnowski, MD had 710 Medicare Part D claims for 152 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.
What is Robert Chojnowski, MD's MIPS final score?
The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.