Daniel Greenfield, M.D.
NPI 1043203946 · Pediatrics Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Greenfield, M.D. is a Pediatrics Physician provider in Santa Rosa, CA (NPI 1043203946).
Provider details
- NPI number
- 1043203946
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G86356 (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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 5333 Hollister AveSuite 250Goleta, CA 93111-2341Phone: (805) 879-4244Fax: (805) 879-4266
Registry dates
- Enumerated
- 2005-08-25
- Last updated
- 2021-02-01
- Certified
- 2021-02-01
Frequently asked questions
- What is Daniel Greenfield's NPI number?
- Daniel Greenfield's National Provider Identifier (NPI) is 1043203946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Greenfield's specialty?
- Daniel Greenfield is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Greenfield located?
- Daniel Greenfield's practice location on file with NPPES is 500 Doyle Park Dr Ste 100, Santa Rosa, CA 95405.
- What is Daniel Greenfield's phone number?
- The practice phone number listed in the NPPES registry for Daniel Greenfield is (707) 544-6090.
- Does Daniel Greenfield accept Medicare?
- Daniel Greenfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Greenfield's NPI active?
- Yes — Daniel Greenfield's NPI (1043203946) is active in the NPPES registry as of the last update on 2021-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.