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DANIEL J GREENFIELD M.D.
NPI 1043203946
Pediatrics in Santa Rosa, CA

Active since August 25, 2005PECOS Enrolled
500 DOYLE PARK DR STE 100, SANTA ROSA, CA 95405(707) 544-6090(707) 544-2389 Get Directions Write a Review

NPPES record last updated: February 1, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 1, 2021, Jul 3, 2018, Mar 17, 2018 and 1 more (4 updates tracked since 2016).

About Daniel J Greenfield M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DANIEL J GREENFIELD M.D. (NPI 1043203946) is an individual pediatrics provider in Santa Rosa, California, licensed in California (G86356) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Goleta.

NPPES Registry Identity

NPI1043203946
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDANIEL J GREENFIELDCredential: M.D.
Location Address500 DOYLE PARK DR STE 100Santa Rosa, CA 95405
Mailing AddressPo Box 50706Santa Barbara, CA 93150-0706 · (805) 973-3757 · Fax (805) 564-3332
Phone(707) 544-6090
Fax(707) 544-2389
Sole ProprietorNo
Enumeration DateAugust 25, 2005
Last NPPES UpdateFebruary 1, 20214 updates tracked since enumeration
NPPES CertifiedFebruary 1, 2021
✔ NPI 1043203946 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · G86356
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedPediatrics · Pediatric Hematology-OncologyTaxonomy 2080P0207X · License G86356 (CA)
500 DOYLE PARK DR STE 100, Santa Rosa, CA 95405
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Secondary Practice Location 1

Location 15333 Hollister Ave, SUITE 250Goleta, CA 93111-2341 · Phone (805) 879-4244 · Fax (805) 879-4266

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Daniel J Greenfield M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Daniel Greenfield reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Medical Foundation
Same address
Internal Medicine
500 DOYLE PARK DR, SUITE 303
Santa Rosa, CA 95405
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
NPI 1740584473 (707) 303-8300
Sutter Bay Medical Foundation
48 mi
Multi-Specialty
12 CAMINO ENCINAS
Orinda, CA 94563
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1366898538 (510) 204-8180

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.16 typical visit price
range $63.04 – $187.01
Typical copayment $24.04 (range $15.76 – $46.75)
Most-billed visit code 99203
Established Patient
$109.88 typical visit price
range $21.02 – $153.40
Typical copayment $27.47 (range $5.25 – $38.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LINDA DUSTE RN, IBCLC
Registered Nurse (Lactation Consultant)
500 DOYLE PARK DR STE 100
SANTA ROSA, CA 95405
Sonoma County (707) 544-6090

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daniel Greenfield's NPI number?

The NPI number for Daniel Greenfield is 1043203946. It was assigned to this individual provider in the NPPES registry on August 25, 2005.

Where is Daniel Greenfield located?

Daniel Greenfield practices at 500 Doyle Park Dr Ste 100, Santa Rosa, CA 95405. The listed phone number is (707) 544-6090.

What is Daniel Greenfield's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Daniel Greenfield enrolled in Medicare?

Yes. Daniel Greenfield is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Daniel Greenfield's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Greenfield reassigns Medicare benefits to 2 organizations: Providence Medical Foundation (Santa Rosa, CA) and Sutter Bay Medical Foundation (Orinda, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Daniel Greenfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Daniel Greenfield was last updated on February 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.