Comprehensive Group Services 2000 LLC
NPI 1710206735 · Internal Medicine Physician · Buffalo, NY
Comprehensive Group Services 2000 LLC is a Internal Medicine Physician organization in Buffalo, NY (NPI 1710206735).
Provider details
- NPI number
- 1710206735
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Grischkan, Ceo(877) 896-9301
- License
- 106997 (NY)
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
16 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
- 2010-06-01
- Last updated
- 2010-06-01
Frequently asked questions
- What is Comprehensive Group Services 2000 LLC's NPI number?
- Comprehensive Group Services 2000 LLC's National Provider Identifier (NPI) is 1710206735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Comprehensive Group Services 2000 LLC?
- Comprehensive Group Services 2000 LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Comprehensive Group Services 2000 LLC located?
- Comprehensive Group Services 2000 LLC's practice location on file with NPPES is 3527 Harlem Rd, Buffalo, NY 14225-1552.
- What is Comprehensive Group Services 2000 LLC's phone number?
- The practice phone number listed in the NPPES registry for Comprehensive Group Services 2000 LLC is (877) 896-9301.
- Who is the authorized official for Comprehensive Group Services 2000 LLC?
- The authorized official listed on Comprehensive Group Services 2000 LLC's NPPES record is Michael Grischkan, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Comprehensive Group Services 2000 LLC's NPI active?
- Yes — Comprehensive Group Services 2000 LLC's NPI (1710206735) is active in the NPPES registry as of the last update on 2010-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.