What is Michael Hartmann's NPI number?

Michael Hartmann's National Provider Identifier (NPI) is 1972638393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Hartmann's specialty?

Michael Hartmann is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).

Where is Michael Hartmann located?

Michael Hartmann's practice location on file with NPPES is 1603 Mcgee Ave, Berkeley, CA 94703-1201.

What is Michael Hartmann's phone number?

The practice phone number listed in the NPPES registry for Michael Hartmann is (415) 373-7847.

Is Michael Hartmann's NPI active?

Yes — Michael Hartmann's NPI (1972638393) is active in the NPPES registry as of the last update on 2025-09-11.

IndividualActive

Michael Hartmann

NPI 1972638393 · Dentist · Berkeley, CA

Michael Hartmann is a Dentist provider in Berkeley, CA (NPI 1972638393).

Provider details

NPI number: 1972638393
Entity type: Individual
Primary specialty: DentistDental Providers
Sex: Male
Sole proprietor: Yes
License: D7785960 (CA)

Specialties & taxonomies

DentistPrimary122300000XLicense D7785960 (CA)
Dental Providers
Optometrist152W00000XLicense D7785960 (CA)
Eye and Vision Services Providers

Profile Score

Detailed profile(89/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 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

1603 Mcgee Ave

Berkeley, CA 94703-1201

Phone: (415) 373-7847

Street-level locationGet directions

More CA providers

Mailing address