1. Home
  2. Directory
  3. California
  4. Martinez
  5. Family Medicine
  6. NPI Profile

DONALD WIDDER
NPI 1033287529
Family Medicine in Martinez, CA

Active since December 01, 2006PECOS EnrolledAccepts Medicare Assignment
95.88/100
CMS Quality Rating
2500 ALHAMBRA AVE, MARTINEZ, CA 94553(925) 370-5110(925) 370-5142 Get Directions Write a Review

NPPES record last updated: May 21, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Donald Widder NPPES

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

DONALD WIDDER (NPI 1033287529) is an individual family medicine provider in Martinez, California, licensed in California (G55185) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (1975).

NPPES Registry Identity

NPI1033287529
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDONALD WIDDER
Location Address2500 ALHAMBRA AVEMartinez, CA 94553-3156
Mailing Address50 Douglas Dr, Suite 391Martinez, CA 94553-4098 · (925) 957-5429 · Fax (925) 957-5401
Phone(925) 370-5110
Fax(925) 370-5142
Sole ProprietorYes
Medical School CMSStanford University School Of MedicineGraduated 1975
Enumeration DateDecember 1, 2006
Last NPPES UpdateMay 21, 2013
✔ NPI 1033287529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G55185
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2500 ALHAMBRA AVE, Martinez, CA 94553
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Donald Widder 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.

PECOS PAC ID6204024714
PECOS Enrollment IDI20101228000853
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94553 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

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.

95.88/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.33
Improvement Activities40

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.

JOHN S HAWKINS
Family Medicine
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5200
HYAEJEEN JEON
Student in an Organized Health Care Education/Training Program
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5117
RONALD POWER DDS
Dentist
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5110
DR. SARA JOSEPHINE RICHEY-LUCERO M.D.
General Practice
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5182
CHARLOTTE STANDEFER
Family Medicine
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5110
RICHARD NAGLE
Surgery
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5110
CHRISTIAN MICHAEL EISERT MD, MPH
Otolaryngology
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5000
ZOHAIB ABBASI
Psychiatry & Neurology (Psychiatry)
2500 ALHAMBRA AVE, PES
MARTINEZ, CA 94553
Contra Costa County (415) 409-9492

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 Donald Widder's NPI number?

The NPI number for Donald Widder is 1033287529. It was assigned to this individual provider in the NPPES registry on December 1, 2006.

Where is Donald Widder located?

Donald Widder practices at 2500 Alhambra Ave, Martinez, CA 94553. The listed phone number is (925) 370-5110.

What is Donald Widder's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Donald Widder enrolled in Medicare?

Yes. Donald Widder 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.

When was this NPI record last updated?

The NPPES record for Donald Widder was last updated on May 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.