Gerard Griesser
NPI 1841974490 · Anesthesiology Physician · Philadelphia, PA
Enrolled with Medicare as Order and Referring Only - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerard Griesser is a Anesthesiology Physician provider in Philadelphia, PA (NPI 1841974490).
Provider details
- NPI number
- 1841974490
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- OT022616 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-06-14
- Last updated
- 2023-06-14
- Certified
- 2023-06-13
Frequently asked questions
- What is Gerard Griesser's NPI number?
- Gerard Griesser's National Provider Identifier (NPI) is 1841974490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerard Griesser's specialty?
- Gerard Griesser is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gerard Griesser located?
- Gerard Griesser's practice location on file with NPPES is 3401 N Broad St, Philadelphia, PA 19140-5103.
- What is Gerard Griesser's phone number?
- The practice phone number listed in the NPPES registry for Gerard Griesser is (800) 836-7536.
- Does Gerard Griesser accept Medicare?
- Gerard Griesser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerard Griesser's NPI active?
- Yes — Gerard Griesser's NPI (1841974490) is active in the NPPES registry as of the last update on 2023-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.