NPPES file of Aug 9, 2026

Juancho Robles Libiran, M.D.

Internal Medicine Physician · Union City, CA

Juancho Robles Libiran, M.D. is an internal medicine physician with a practice address in Union City, California, and NPI 1114004074, issued on Oct 31, 2006. Check the license (California C51792, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114004074
Name
Juancho Robles Libiran
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
C51792 CA
Self-reported in NPPES; status is on the state search
Practice location
3553 Whipple RD, Union City, CA 94587
Phone
(510) 454-1000
Enumerated
Oct 31, 2006
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00C517920 CA
Medicare enrollment
Enrolled (PECOS I20050418000763); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3553 Whipple RD

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

  1. Jaishree Acharya, M.D.Internal Medicine Physician1053334920
  2. Marie Agleham, MDAdult Medicine Physician1649298209
  3. Muhammad Aleem, M.D.Internal Medicine Physician1952480006
  4. Eleanor Anderson-Williams, M.D.Internal Medicine Physician1164576815
  5. Kristina Austin, M.D.Ophthalmology Physician1417007238
  6. Vijaya Basawaprasad, M.D.Internal Medicine Physician1588736326

Verify Juancho Robles Libiran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C51792
    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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92% more Medicare Part D claims than the average internal medicine physician in 2024

6,107 Medicare Part D claims for 614 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 149 claims were for opioids.

  1. Juancho Libiran6,107
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium534 claims
  2. Amlodipine Besylate392 claims
  3. Losartan Potassium386 claims
  4. Atenolol226 claims
  5. Lisinopril211 claims
  6. Metformin Hcl196 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncUnion City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Juancho Robles Libiran among 17,696 internal medicine physician records in California

Juancho Robles Libiran, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1993 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

46 internal medicine physician records list a practice address in Union City

They are 46 of the 1,006 NPPES records with a practice address in Union City, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jaishree Acharya, M.D.Union City, CA 945871053334920
  2. Eric Brondfield, MDUnion City, CA 945871033297882
  3. Nefissa Chambi, M.D.Union City, CA 945871730157157
  4. Vanaja Chilukuri, M.D.Union City, CA 945871861578387
  5. Lolita Chiong, M.D.Union City, CA 945871558387027
  6. Amrita Deshpande, M.D.Union City, CA 945871154409910
  7. Apolinar Gacote, MDUnion City, CA 945871831203652
  8. Yasmeen Haq, MDUnion City, CA 945871457303935

Common questions

What is Juancho Robles Libiran, M.D.'s NPI number?

Juancho Robles Libiran, M.D.'s National Provider Identifier (NPI) is 1114004074, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Juancho Robles Libiran, M.D. located?

The NPPES record lists a practice address at 3553 Whipple RD, Union City, CA, 94587. Phone: (510) 454-1000. Providers update this record themselves, so call before visiting.

How can I verify Juancho Robles Libiran, M.D.'s license?

NPPES lists California license number C51792, 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 Juancho Robles Libiran, M.D. prescribe under Medicare Part D?

In 2024, Juancho Robles Libiran, M.D. had 6,107 Medicare Part D claims for 614 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

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.