Nicholas Williams, CRNA
NPI 1356901524 · Certified Registered Nurse Anesthetist · Philadelphia, PA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Williams, CRNA is a Certified Registered Nurse Anesthetist provider in Philadelphia, PA (NPI 1356901524).
Provider details
- NPI number
- 1356901524
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- RN651732 (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
237 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 80 | $79 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 70 | $70 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 30 | $53 |
| Anesthesia for Procedure on Gallbladder, Pancreas, Or Liver Using an Endoscope00732 | 28 | $116 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 17 | $84 |
| Anesthesia for Other Closed Procedure on Chest00520 | 12 | $131 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-19
- Last updated
- 2019-06-19
Frequently asked questions
- What is Nicholas Williams's NPI number?
- Nicholas Williams's National Provider Identifier (NPI) is 1356901524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Williams's specialty?
- Nicholas Williams is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nicholas Williams located?
- Nicholas Williams's practice location on file with NPPES is 800 Spruce St, Philadelphia, PA 19107-6130.
- What is Nicholas Williams's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Williams is (215) 829-3867.
- Does Nicholas Williams accept Medicare?
- Nicholas Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Williams's NPI active?
- Yes — Nicholas Williams's NPI (1356901524) is active in the NPPES registry as of the last update on 2019-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.