Nathaniel Defelice, M.D.
Internal Medicine Physician · Sacramento, CA
Nathaniel Defelice, M.D. is an internal medicine physician with a practice address in Sacramento, California, and NPI 1366761496, issued on May 28, 2010. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Defelice
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 1508 Alhambra Blvd Ste 200, Sacramento, CA 95816
- Phone
- (916) 679-3590
- Enumerated
- May 28, 2010
- Entity
- Type 1 · individual
Also registered at 1508 Alhambra Blvd Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Afzal, M.D.Pulmonary Disease Physician1689600553
- Imran Aurangzeb, M.D.Internal Medicine Physician1831127570
- Alicia Belden, FNPFamily Nurse Practitioner1609545458
- Richard Defelice, M.D.Infectious Disease Physician1063458495
- Kapil Dhawan, M.D.Internal Medicine Physician1558385997
- Philip Doyle, PA-CPhysician Assistant1376928309
Verify Nathaniel Defelice in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
One hospital or facility affiliation
- Pulmonary Medicine Associates Medical Group Inc.Sacramento, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
697 internal medicine physician records list a Sacramento practice address
They are 697 of the 33,083 NPPES records with a Sacramento practice address, and 20,403 internal medicine physician records in California.
All 697 in Sacramento → All 20,403 in California → Every provider in Sacramento →
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Common questions
What is Nathaniel Defelice, M.D.'s NPI number?
Nathaniel Defelice, M.D.'s National Provider Identifier (NPI) is 1366761496, issued on May 28, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Defelice, M.D. located?
The NPPES record lists a practice address at 1508 Alhambra Blvd Ste 200, Sacramento, CA, 95816. Phone: (916) 679-3590. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Defelice, M.D.'s license?
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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.