OrganizationActive
Mark Lollar, M.D. Inc
NPI 1558676569 · Specialist · San Ramon, CA
Mark Lollar, M.D. Inc is a Specialist organization in San Ramon, CA (NPI 1558676569).
Provider details
- NPI number
- 1558676569
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Mark Lollar, Physician/Owner(925) 327-1500
- License
- A50219 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
5201 Norris Canyon Rd Ste 310
San Ramon, CA 94583-5405
Phone: (925) 327-1500
Fax: (925) 327-1900
Street-level locationGet directions
Mailing address
5201 Norris Canyon Rd Ste 310
San Ramon, CA 94583-5405
Other names (DBA / former)
- Doing business as
- Mark Lollar, M.D.
Registry dates
- Enumerated
- 2010-08-13
- Last updated
- 2010-08-13
Frequently asked questions
- What is Mark Lollar, M.D. Inc's NPI number?
- Mark Lollar, M.D. Inc's National Provider Identifier (NPI) is 1558676569, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark Lollar, M.D. Inc?
- Mark Lollar, M.D. Inc is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Mark Lollar, M.D. Inc located?
- Mark Lollar, M.D. Inc's practice location on file with NPPES is 5201 Norris Canyon Rd Ste 310, San Ramon, CA 94583-5405.
- What is Mark Lollar, M.D. Inc's phone number?
- The practice phone number listed in the NPPES registry for Mark Lollar, M.D. Inc is (925) 327-1500.
- Who is the authorized official for Mark Lollar, M.D. Inc?
- The authorized official listed on Mark Lollar, M.D. Inc's NPPES record is Mark Lollar, Physician/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark Lollar, M.D. Inc's NPI active?
- Yes — Mark Lollar, M.D. Inc's NPI (1558676569) is active in the NPPES registry as of the last update on 2010-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.