1. Home
  2. Directory
  3. California
  4. Santa Cruz
  5. Internal Medicine
  6. NPI Profile

DR. JEFFREY WILLIAMS M.D., PHD
NPI 1942304977
Internal Medicine - Endocrinology, Diabetes & Metabolism in Santa Cruz, CA

Active since September 11, 2006
34.58/100
CMS Quality Rating
1595 SOQUEL DR, STE 411, SANTA CRUZ, CA 95065(831) 465-7778(831) 475-0351 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Jeffrey Williams M.d., Phd NPPES

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

DR. JEFFREY WILLIAMS M.D., PHD (NPI 1942304977) is an individual endocrinology, diabetes & metabolism provider in Santa Cruz, California, licensed in California (G52869) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1942304977
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. JEFFREY WILLIAMSCredential: M.D., PHD
Location Address1595 SOQUEL DR, STE 411Santa Cruz, CA 95065-1719
Mailing Address1595 Soquel Dr, Ste 330Santa Cruz, CA 95065-1719 · (831) 465-7761 · Fax (831) 475-1156
Phone(831) 465-7778
Fax(831) 475-0351
Sole ProprietorNo
Enumeration DateSeptember 11, 2006
Last NPPES UpdateJuly 9, 2007
✔ NPI 1942304977 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · G52869
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
1595 SOQUEL DR, Santa Cruz, CA 95065
Open in Google Maps ↗

Other Identifiers 3

OtherGR0028554CA · Medi-cal Id Number
Medicare UPINF01283CA
Medicare ID-Type UnspecifiedZZZ20027ZCA · Medicare Id Number

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

34.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality15.43
Promoting Interoperability0
Improvement Activities20
Cost63.09

Other Providers at the Same Location NPPES 20

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

DR. DANESSA BROWN MD
Family Medicine
1595 SOQUEL DR, SUITE 411
SANTA CRUZ, CA 95065
Santa Cruz County (831) 475-8824
JENNIE JET M.D.
Physical Medicine & Rehabilitation
1595 SOQUEL DR, STE 110
SANTA CRUZ, CA 95065
Santa Cruz County (831) 462-9955
DOMINICAN HOSPITAL FOUNDATION
Non-Pharmacy Dispensing Site
1595 SOQUEL DR, 400
SANTA CRUZ, CA 95065
Santa Cruz County (831) 475-1111
MS. CHERYL S DEMONNER PA-C
Physician Assistant (Medical)
1595 SOQUEL DR, SUITE 400
SANTA CRUZ, CA 95065
Santa Cruz County (831) 475-1111
LINDA WITTE NP
Nurse Practitioner
1595 SOQUEL DR, SUITE 400
SANTA CRUZ, CA 95065
Santa Cruz County (831) 475-1111
DILYANA GEORGIEVA
Nurse Practitioner
1595 SOQUEL DR, SUITE 400
SANTA CRUZ, CA 95065
Santa Cruz County (831) 475-1111
RITU MEISTER MD INC
Obstetrics & Gynecology
1595 SOQUEL DR, STE, 220
SANTA CRUZ, CA 95065
Santa Cruz County (831) 476-4200
DR. STEVEN MATTHEW LEUCK PHARM.D.
Pharmacist
1595 SOQUEL DR
SANTA CRUZ, CA 95065
Santa Cruz County (831) 462-7726

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 Jeffrey Williams's NPI number?

The NPI number for Jeffrey Williams is 1942304977. It was assigned to this individual provider in the NPPES registry on September 11, 2006.

Where is Jeffrey Williams located?

Jeffrey Williams practices at 1595 Soquel Dr Ste 411, Santa Cruz, CA 95065. The listed phone number is (831) 465-7778.

What is Jeffrey Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for Jeffrey Williams was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.