Gm Medical Services LLC
NPI 1528930401 · Physical Medicine & Rehabilitation Physician · Westminster, CO
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gm Medical Services LLC is a Physical Medicine & Rehabilitation Physician organization in Westminster, CO (NPI 1528930401).
Provider details
- NPI number
- 1528930401
- Entity type
- Organization
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- George Marzloff, Member(347) 946-2791
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
Under 1 yr in 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
- 2025-09-22
- Last updated
- 2025-09-22
- Certified
- 2025-09-21
Frequently asked questions
- What is Gm Medical Services LLC's NPI number?
- Gm Medical Services LLC's National Provider Identifier (NPI) is 1528930401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gm Medical Services LLC?
- Gm Medical Services LLC is classified in the NPPES registry as Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Gm Medical Services LLC located?
- Gm Medical Services LLC's practice location on file with NPPES is 6500 W 104th Ave, Westminster, CO 80020-4189.
- What is Gm Medical Services LLC's phone number?
- The practice phone number listed in the NPPES registry for Gm Medical Services LLC is (347) 946-2791.
- Does Gm Medical Services LLC accept Medicare?
- Gm Medical Services LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Gm Medical Services LLC?
- The authorized official listed on Gm Medical Services LLC's NPPES record is George Marzloff, Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gm Medical Services LLC's NPI active?
- Yes — Gm Medical Services LLC's NPI (1528930401) is active in the NPPES registry as of the last update on 2025-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.