Mark Zimmerman, M.D.
NPI 1376514646 · Geriatric Medicine (Internal Medicine) Physician · Las Vegas, NV
Mark Zimmerman, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Las Vegas, NV (NPI 1376514646).
Provider details
- NPI number
- 1376514646
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 97-414 (NM)
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
20 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
- 2006-01-27
- Last updated
- 2010-06-23
Frequently asked questions
- What is Mark Zimmerman's NPI number?
- Mark Zimmerman's National Provider Identifier (NPI) is 1376514646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Zimmerman's specialty?
- Mark Zimmerman is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Zimmerman located?
- Mark Zimmerman's practice location on file with NPPES is 5967 Sun Appello Ave, Las Vegas, NV 89122-3447.
- What is Mark Zimmerman's phone number?
- The practice phone number listed in the NPPES registry for Mark Zimmerman is (702) 489-5120.
- Is Mark Zimmerman's NPI active?
- Yes — Mark Zimmerman's NPI (1376514646) is active in the NPPES registry as of the last update on 2010-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.