John Doonan, LMFT
NPI 1952541799 · Marriage & Family Therapist · Cupertino, CA
John Doonan, LMFT is a Marriage & Family Therapist provider in Cupertino, CA (NPI 1952541799).
Provider details
- NPI number
- 1952541799
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFT20000 (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
17 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
- 2009-03-05
- Last updated
- 2009-03-05
Frequently asked questions
- What is John Doonan's NPI number?
- John Doonan's National Provider Identifier (NPI) is 1952541799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Doonan's specialty?
- John Doonan is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is John Doonan located?
- John Doonan's practice location on file with NPPES is 21580 Stevens Creek Blvd, Cupertino, CA 95014-1244.
- What is John Doonan's phone number?
- The practice phone number listed in the NPPES registry for John Doonan is (408) 314-2618.
- Is John Doonan's NPI active?
- Yes — John Doonan's NPI (1952541799) is active in the NPPES registry as of the last update on 2009-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.