Robert Chojnowski, MD
NPI 1912439704 · Pain Medicine (Anesthesiology) Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Chojnowski, MD is a Pain Medicine (Anesthesiology) Physician provider in Philadelphia, PA (NPI 1912439704).
Provider details
- NPI number
- 1912439704
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD477380 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
621 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 143 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $90 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 91 | $171 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 64 | $269 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 59 | $76 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 129 | 46 |
| Pregabalin | 101 | 37 |
| Duloxetine Hcl | 82 | 30 |
| Tizanidine Hcl | 48 | 19 |
| Oxycodone Hcl | 42 | 14 |
| Meloxicam | 35 | 16 |
| Cyclobenzaprine Hcl | 34 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$278 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1865 Route 70 EastSte 220Cherry Hill, NJ 08003-2013Phone: (215) 893-7246Fax: (215) 893-7270
Registry dates
- Enumerated
- 2017-03-30
- Last updated
- 2022-12-06
- Certified
- 2022-12-06
Frequently asked questions
- What is Robert Chojnowski's NPI number?
- Robert Chojnowski's National Provider Identifier (NPI) is 1912439704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Chojnowski's specialty?
- Robert Chojnowski is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Chojnowski located?
- Robert Chojnowski's practice location on file with NPPES is 3400 Spruce Street, Philadelphia, PA 19104-4206.
- What is Robert Chojnowski's phone number?
- The practice phone number listed in the NPPES registry for Robert Chojnowski is (215) 349-8310.
- Does Robert Chojnowski accept Medicare?
- Robert Chojnowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Chojnowski's NPI active?
- Yes — Robert Chojnowski's NPI (1912439704) is active in the NPPES registry as of the last update on 2022-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.