Mary Hammes, M.F.T.
NPI 1114038197 · Marriage & Family Therapist · Palo Alto, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Hammes, M.F.T. is a Marriage & Family Therapist provider in Palo Alto, CA (NPI 1114038197).
Provider details
- NPI number
- 1114038197
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.F.T.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFT38107 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Hammes's NPI number?
- Mary Hammes's National Provider Identifier (NPI) is 1114038197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hammes's specialty?
- Mary Hammes is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mary Hammes located?
- Mary Hammes's practice location on file with NPPES is 4153 El Camino Way Ste a, Palo Alto, CA 94306-4034.
- What is Mary Hammes's phone number?
- The practice phone number listed in the NPPES registry for Mary Hammes is (650) 493-4932.
- Does Mary Hammes accept Medicare?
- Mary Hammes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Hammes's NPI active?
- Yes — Mary Hammes's NPI (1114038197) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.