Juan Alcantar, MD
Internal Medicine Physician · Porter Ranch, CA
Juan Alcantar, MD is an internal medicine physician with a practice address in Porter Ranch, California, and NPI 1972658540, issued on Jan 24, 2007. Check the license (California A93796, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Juan Alcantar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A93796 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19950 Rinaldi St Ste 301, Porter Ranch, CA 91326
- Phone
- (818) 271-2500
- Enumerated
- Jan 24, 2007
- Entity
- Type 1 · individual
Verify Juan Alcantar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A93796Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
61% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,080 Medicare Part D claims for 205 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 24 claims were for opioids.
Most prescribed
- Anastrozole68 claims
- Eliquis48 claims
- Tamoxifen Citrate44 claims
- Warfarin Sodium41 claims
- Hydroxyurea38 claims
- Abiraterone Acetate36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's Medicare quality score for 2023: 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- The Regents OF The University OF CaliforniaLos Angeles, 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.
17 internal medicine physician records list a Porter Ranch practice address
They are 17 of the 275 NPPES records with a Porter Ranch practice address, and 20,403 internal medicine physician records in California.
All 17 in Porter Ranch → All 20,403 in California → Every provider in Porter Ranch →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Juan Alcantar, MD's NPI number?
Juan Alcantar, MD's National Provider Identifier (NPI) is 1972658540, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Juan Alcantar, MD located?
The NPPES record lists a practice address at 19950 Rinaldi St Ste 301, Porter Ranch, CA, 91326. Phone: (818) 271-2500. Providers update this record themselves, so call before visiting.
How can I verify Juan Alcantar, MD's license?
NPPES lists California license number A93796, 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.
How much does Juan Alcantar, MD prescribe under Medicare Part D?
In 2024, Juan Alcantar, MD had 1,080 Medicare Part D claims for 205 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Juan Alcantar, MD's Medicare quality score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.