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Jon Markus Holmberg, PSY.D.
NPI 1780840058 · Psychologist · San Francisco, CA
Jon Markus Holmberg, PSY.D. is a Psychologist provider in San Francisco, CA (NPI 1780840058).
Provider details
- NPI number
- 1780840058
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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
1550 Treat Ave
San Francisco, CA 94110-5234
Phone: (415) 641-8000
Street-level locationGet directions
Mailing address
688 Hayes St
San Francisco, CA 94102-4130
Registry dates
- Enumerated
- 2008-08-05
- Last updated
- 2008-09-25
Frequently asked questions
- What is Jon Markus Holmberg's NPI number?
- Jon Markus Holmberg's National Provider Identifier (NPI) is 1780840058, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Markus Holmberg's specialty?
- Jon Markus Holmberg is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Jon Markus Holmberg located?
- Jon Markus Holmberg's practice location on file with NPPES is 1550 Treat Ave, San Francisco, CA 94110-5234.
- What is Jon Markus Holmberg's phone number?
- The practice phone number listed in the NPPES registry for Jon Markus Holmberg is (415) 641-8000.
- Is Jon Markus Holmberg's NPI active?
- Yes — Jon Markus Holmberg's NPI (1780840058) is active in the NPPES registry as of the last update on 2008-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.