MS. SONAL VASANT PHATAK M.D.
NPI 1932291119
Internal Medicine - Endocrinology, Diabetes & Metabolism in Santa Barbara, CA
About Ms. Sonal Vasant Phatak M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. SONAL VASANT PHATAK M.D. (NPI 1932291119) is an individual endocrinology, diabetes & metabolism provider in Santa Barbara, California, licensed in California (A90261) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of University Of California, Geffen School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Sonal Vasant Phatak M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Sonal Phatak reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 clinicians in this Medicare group
Elk Grove, CA 95758
- Reassigned Medicare billing, California enrollment
- 918 clinicians in this Medicare group
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 8
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Sonal Phatak's NPI number?
The NPI number for Sonal Phatak is 1932291119. It was assigned to this individual provider in the NPPES registry on September 28, 2006.
Where is Sonal Phatak located?
Sonal Phatak practices at 111 E Victoria St, Santa Barbara, CA 93101. The listed phone number is (805) 564-3233.
What is Sonal Phatak's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Sonal Phatak enrolled in Medicare?
Yes. Sonal Phatak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sonal Phatak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sonal Phatak reassigns Medicare benefits to 3 organizations: The Regents Of The University Of California (Los Angeles, CA), Regents Of The University Of California (Elk Grove, CA) and Regents Of The Univ Of Ca (Sacramento, 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 Sonal Phatak'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 Sonal Phatak was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.
# Ms. Sonal Vasant Phatak, M.D. · NPI 1932291119
Endocrinology, Diabetes & Metabolism physician in Santa Barbara, California. Individual provider, active in the CMS NPPES registry since September 28, 2006.
## Identity
- **NPI:** 1932291119 (Entity type: Individual)
- **Enumerated:** September 28, 2006
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** A90261 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 E VICTORIA ST, Santa Barbara, CA 93101-2018
- **Phone:** (805) 564-3233
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): The Regents Of The University Of California (NPI 1235107566, Los Angeles, CA); Regents Of The University Of California (NPI 1174966071, Elk Grove, CA); Regents Of The Univ Of Ca (NPI 1447423959, Sacramento, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** February 3, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1932291119) · Data from the CMS NPPES public registry.