NPPES file of Aug 9, 2026

Jenny I. Shen, MD

Nephrology Physician · Torrance, CA

Jenny I. Shen, MD is a nephrology physician with a practice address in Torrance, California, and NPI 1194963199, issued on Jan 28, 2009. Check the license (California A101274, 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
1194963199
Name
Jenny I. Shen
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A101274 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 W Carson St Bldg N28, Torrance, CA 90502
Phone
(310) 222-3891
Enumerated
Jan 28, 2009
Record last updated
Dec 23, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(310) 782-1837
Medicare enrollment
Enrolled (PECOS I20140603000775); 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.
Download card Updates feed

Also registered at 1000 W Carson St Bldg N28

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

  1. Christopher Mayorga, DOGeriatric Medicine (Internal Medicine) Physician1003445669
  2. Antonio Rivas, M.D.Internal Medicine Physician1740572551
  3. Anne-Lorrane Ugalde, NPGerontology Nurse Practitioner1083805980

Verify Jenny I. Shen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A101274
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

79% fewer Medicare Part D claims than the average nephrology physician in 2024

309 Medicare Part D claims for 20 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Jenny Shen309
  2. Specialty average1,465

Most prescribed

  1. Furosemide34 claims
  2. Sevelamer Carbonate31 claims
  3. Calcium Acetate28 claims
  4. Losartan Potassium28 claims
  5. Nifedipine Er23 claims
  6. Gentamicin Sulfate22 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.

Industry payments in 2024: $21.55

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jenny Shen$21.55
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Prohealth Partners, A Medical GroupTorrance, CA

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

Jenny I. Shen among 1,468 nephrology physician records in California

Jenny I. Shen, MD is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 70% of them.

  • NPI issued2009 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2006 · median 2001 among the 1,128 with a school on file
  • Record last updated2019 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

The 8 nephrology physician records with the nearest ZIP codes

  1. Sharon Adler, M.D.Torrance, CA 905021467431122
  2. Lilly Barba, M.D.Torrance, CA 905021407835978
  3. Akshay Bommireddi, MDTorrance, CA 905021861091316
  4. Zar Chan, M.DTorrance, CA 905021417243890
  5. Duke Chang, MDTorrance, CA 905021235290669
  6. Tiane Dai, MDTorrance, CA 905021457643751
  7. Ajay Gupta, M.D.Torrance, CA 905021477529279
  8. Raimund Hirschberg, M.D.Torrance, CA 905021457362634

Common questions

What is Jenny I. Shen, MD's NPI number?

Jenny I. Shen, MD's National Provider Identifier (NPI) is 1194963199, issued on Jan 28, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Jenny I. Shen, MD located?

The NPPES record lists a practice address at 1000 W Carson St Bldg N28, Torrance, CA, 90502. Phone: (310) 222-3891. Providers update this record themselves, so call before visiting.

How can I verify Jenny I. Shen, MD's license?

NPPES lists California license number A101274, 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 Jenny I. Shen, MD prescribe under Medicare Part D?

In 2024, Jenny I. Shen, MD had 309 Medicare Part D claims for 20 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.