Allan Greissman, M.D
NPI 1093800740 · Pediatric Critical Care Medicine Physician · Hollywood, FL
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allan Greissman, M.D is a Pediatric Critical Care Medicine Physician provider in Hollywood, FL (NPI 1093800740).
Provider details
- NPI number
- 1093800740
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- ME0065578 (FL)
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
19 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
- 2006-10-04
- Last updated
- 2021-03-23
- Certified
- 2021-03-23
Frequently asked questions
- What is Allan Greissman's NPI number?
- Allan Greissman's National Provider Identifier (NPI) is 1093800740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allan Greissman's specialty?
- Allan Greissman is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allan Greissman located?
- Allan Greissman's practice location on file with NPPES is 3501 Johnson St, Hollywood, FL 33021-5421.
- What is Allan Greissman's phone number?
- The practice phone number listed in the NPPES registry for Allan Greissman is (954) 265-6301.
- Does Allan Greissman accept Medicare?
- Allan Greissman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allan Greissman's NPI active?
- Yes — Allan Greissman's NPI (1093800740) is active in the NPPES registry as of the last update on 2021-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.