Gary Bass, MD
NPI 1881924801 · Surgery Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Bass, MD is a Surgery Physician provider in Philadelphia, PA (NPI 1881924801).
Provider details
- NPI number
- 1881924801
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD472249 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
213 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 74 | $212 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 48 | $120 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 41 | $80 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 20 | $132 |
| Ultrasound Scan of Chest76604 | 15 | $26 |
| Limited Ultrasound Scan of Abdomen76705 | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 51 North 39th StreetMedical Office Building Suite 120 (trauma)Philadelphia, PA 19104Phone: (216) 316-5151
Registry dates
- Enumerated
- 2010-01-14
- Last updated
- 2026-05-21
- Certified
- 2026-05-21
Frequently asked questions
- What is Gary Bass's NPI number?
- Gary Bass's National Provider Identifier (NPI) is 1881924801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Bass's specialty?
- Gary Bass is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Bass located?
- Gary Bass's practice location on file with NPPES is 3400 Spruce Street, Philadelphia, PA 19104-3309.
- What is Gary Bass's phone number?
- The practice phone number listed in the NPPES registry for Gary Bass is (215) 349-8310.
- Does Gary Bass accept Medicare?
- Gary Bass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Bass's NPI active?
- Yes — Gary Bass's NPI (1881924801) is active in the NPPES registry as of the last update on 2026-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.