Dean W. Cummings, MD
Internal Medicine Physician · Mountain View, CA
Dean W. Cummings, MD is an internal medicine physician with a practice address in Mountain View, California, and NPI 1265454029, issued on Jul 24, 2006. Check the license (California G71140, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Dean W. Cummings
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G71140 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Hospital Dr, Mountain View, CA 94040
- Phone
- (650) 965-3243
- Enumerated
- Jul 24, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 965-4638
- Entity
- Type 1 · individual
Also registered at 2500 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dean W. Cummings in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G71140Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
119 internal medicine physician records list a practice address in Mountain View
They are 119 of the 2,467 NPPES records with a practice address in Mountain View, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 119 in Mountain View → All 17,696 in California → Every provider in Mountain View →
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Common questions
What is Dean W. Cummings, MD's NPI number?
Dean W. Cummings, MD's National Provider Identifier (NPI) is 1265454029, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dean W. Cummings, MD located?
The NPPES record lists a practice address at 2500 Hospital Dr, Mountain View, CA, 94040. Phone: (650) 965-3243. Providers update this record themselves, so call before visiting.
How can I verify Dean W. Cummings, MD's license?
NPPES lists California license number G71140, 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.