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Gregory Isaac, M.D.
NPI 1689818825 · Internal Medicine Physician · Cleveland, OH
Gregory Isaac, M.D. is a Internal Medicine Physician provider in Cleveland, OH (NPI 1689818825).
Provider details
- NPI number
- 1689818825
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35.129965 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
2500 Metrohealth Dr
Cleveland, OH 44109-1900
Phone: (216) 778-7800
Street-level locationGet directions
Mailing address
2500 Metrohealth Dr
Cleveland, OH 44109-1900
Registry dates
- Enumerated
- 2009-04-30
- Last updated
- 2017-01-31
Frequently asked questions
- What is Gregory Isaac's NPI number?
- Gregory Isaac's National Provider Identifier (NPI) is 1689818825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Isaac's specialty?
- Gregory Isaac is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Isaac located?
- Gregory Isaac's practice location on file with NPPES is 2500 Metrohealth Dr, Cleveland, OH 44109-1900.
- What is Gregory Isaac's phone number?
- The practice phone number listed in the NPPES registry for Gregory Isaac is (216) 778-7800.
- Is Gregory Isaac's NPI active?
- Yes — Gregory Isaac's NPI (1689818825) is active in the NPPES registry as of the last update on 2017-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.