NPPES file of Aug 9, 2026

Nidhi Johri, M.D

Internal Medicine Physician · Castro Valley, CA

Nidhi Johri, M.D is an internal medicine physician with a practice address in Castro Valley, California, and NPI 1285811489, issued on Jan 30, 2008. Check the license (California A102164, 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
1285811489
Name
Nidhi Johri
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A102164 CA
Self-reported in NPPES; status is on the state search
Practice location
20642 John Dr, Castro Valley, CA 94546
Phone
(510) 785-5000
Enumerated
Jan 30, 2008
Record last updated
Apr 18, 2024
Medicaid ID
1285811489 CA
Medicare enrollment
Enrolled (PECOS I20090527000279); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 20642 John Dr

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

  1. Albert Ahoy, PA-CPhysician Assistant1356878136
  2. Ana BermudezObstetrics & Gynecology Physician1679079065
  3. Kalaokalani Chandler, M.D.Obstetrics & Gynecology Physician1164459947
  4. Shiven Chaudhry, MDInternal Medicine Physician1528594801
  5. Corina Clark, P.A.Physician Assistant1720480049
  6. Ashley Etchison, MDDiagnostic Radiology Physician1962907840

Verify Nidhi Johri in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A102164
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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22% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,474 Medicare Part D claims for 313 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 82 claims were for opioids.

  1. Nidhi Johri2,474
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium185 claims
  2. Levothyroxine Sodium123 claims
  3. Amlodipine Besylate118 claims
  4. Losartan Potassium100 claims
  5. Lisinopril78 claims
  6. Simvastatin67 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. University Healthcare AllianceMenlo Park, CA

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

Nidhi Johri among 17,696 internal medicine physician records in California

Nidhi Johri, 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 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2000 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 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).

24 internal medicine physician records list a practice address in Castro Valley

They are 24 of the 999 NPPES records with a practice address in Castro Valley, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nabil Abudayeh, MDCastro Valley, CA 945461699724484
  2. Monica Bhargava, MDCastro Valley, CA 945461619900347
  3. Wing Chin, M.D.Castro Valley, CA 945461124052576
  4. Richard Ho, M. D.Castro Valley, CA 945461548283005
  5. Kathryn Hodge, MDCastro Valley, CA 945461194741256
  6. Samir Kadada, M.D.Castro Valley, CA 945461952315202
  7. Donald Knotts, MEDICAL DOCTORCastro Valley, CA 945461790858611
  8. Laurie Nakahira, MDCastro Valley, CA 945461104842293

Common questions

What is Nidhi Johri, M.D's NPI number?

Nidhi Johri, M.D's National Provider Identifier (NPI) is 1285811489, issued on Jan 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Nidhi Johri, M.D located?

The NPPES record lists a practice address at 20642 John Dr, Castro Valley, CA, 94546. Phone: (510) 785-5000. Providers update this record themselves, so call before visiting.

How can I verify Nidhi Johri, M.D's license?

NPPES lists California license number A102164, 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 Nidhi Johri, M.D prescribe under Medicare Part D?

In 2024, Nidhi Johri, M.D had 2,474 Medicare Part D claims for 313 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.