Daryn Sperling, M.D.
NPI 1063717437 · Psychiatry Physician · Mill Valley, CA
Daryn Sperling, M.D. is a Psychiatry Physician provider in Mill Valley, CA (NPI 1063717437).
Provider details
- NPI number
- 1063717437
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G070779 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2011-01-17
- Last updated
- 2023-02-11
- Certified
- 2023-02-11
Frequently asked questions
- What is Daryn Sperling's NPI number?
- Daryn Sperling's National Provider Identifier (NPI) is 1063717437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daryn Sperling's specialty?
- Daryn Sperling is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Daryn Sperling located?
- Daryn Sperling's practice location on file with NPPES is 34 Forrest St, Mill Valley, CA 94941-2003.
- What is Daryn Sperling's phone number?
- The practice phone number listed in the NPPES registry for Daryn Sperling is (415) 924-1787.
- Is Daryn Sperling's NPI active?
- Yes — Daryn Sperling's NPI (1063717437) is active in the NPPES registry as of the last update on 2023-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.