Gary Birnbaum, MD
NPI 1689741886 · Internal Medicine Physician · Willoughby Hills, OH
Gary Birnbaum, MD is a Internal Medicine Physician provider in Willoughby Hills, OH (NPI 1689741886).
Provider details
- NPI number
- 1689741886
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 47631 (OH)
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
- 2006-11-30
- Last updated
- 2011-10-24
Frequently asked questions
- What is Gary Birnbaum's NPI number?
- Gary Birnbaum's National Provider Identifier (NPI) is 1689741886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Birnbaum's specialty?
- Gary Birnbaum is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Birnbaum located?
- Gary Birnbaum's practice location on file with NPPES is 35040 Chardon Rd, Willoughby Hills, OH 44094.
- What is Gary Birnbaum's phone number?
- The practice phone number listed in the NPPES registry for Gary Birnbaum is (440) 953-9014.
- Is Gary Birnbaum's NPI active?
- Yes — Gary Birnbaum's NPI (1689741886) is active in the NPPES registry as of the last update on 2011-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.