NPPES file of Aug 9, 2026

Donald Church Balfour, M.D.

Hematology & Oncology Physician · San Diego, CA

Donald Church Balfour, M.D. is a hematology & oncology physician with a practice address in San Diego, California, and NPI 1942217872, issued on Aug 2, 2006. Check the license (California G29157, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942217872
Name
Donald Balfour
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
G29157 CA
Self-reported in NPPES; status is on the state search
Practice location
2001 4TH Ave, San Diego, CA 92101
Phone
(619) 446-1530
Enumerated
Aug 2, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
00G291570 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2001 4TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kathryn Adams, M.D.Internal Medicine Physician1588947196
  2. Andrea Adriany, PTOrthopedic Physical Therapist1437375169
  3. Kim Allen, RPHPharmacist1790771186
  4. Susan Athans, PTOrthopedic Physical Therapist1710106950
  5. Robyn Bodecker, PA-CPhysician Assistant1427067727
  6. Clay Bowland, M.D.Diagnostic Radiology Physician1114936424

Verify Donald Balfour in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G29157
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

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Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other hematology & oncology physician records in California

  1. Mark Abate, M.D.Santa Barbara, CA1588778674
  2. Iman Abdalla, MDLos Angeles, CA1730248311
  3. Haifaa Abdulhaq, MDFresno, CA1508024647
  4. Nihal Abdulla, MDLos Alamitos, CA1750585345
  5. Mehrad Abedi, M.D.Sacramento, CA1467459222
  6. Oyewale Abidoye, M.D.La Jolla, CA1790841815
  7. Mohammed Abu Zaanona, MDSanta Barbara, CA1922591197
  8. Mohamad Adada, M.D., PHDRoseville, CA1528590734
  9. Jesse Adams, MDSacramento, CA1851479554
  10. Thompson Adams, MDSanta Monica, CA1407880891

Common questions

What is Donald Church Balfour, M.D.'s NPI number?

Donald Church Balfour, M.D.'s National Provider Identifier (NPI) is 1942217872, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Donald Church Balfour, M.D. located?

The NPPES record lists a practice address at 2001 4TH Ave, San Diego, CA, 92101. Phone: (619) 446-1530. Providers update this record themselves, so call before visiting.

How can I verify Donald Church Balfour, M.D.'s license?

NPPES lists California license number G29157, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.