NPPES file of Aug 9, 2026

Janice Park, M.D.

Nephrology Physician · Sacramento, CA

Janice Park, M.D. is a nephrology physician with a practice address in Sacramento, California, and NPI 1225356959, issued on May 5, 2010. Check the license (California A119303, 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
1225356959
Name
Janice Park
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A119303 CA
Self-reported in NPPES; status is on the state search
Practice location
4150 V St # 1110, Sacramento, CA 95817
Phone
(916) 734-2737
Enumerated
May 5, 2010
Record last updated
Aug 9, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130727000184); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 2010
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 4150 V St # 1110

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

  1. Jennifer AhnStudent in an Organized Health Care Education/Training Program1548536055
  2. Emily BeckPulmonary Disease Physician1326338195
  3. Sarah Chan, M.D.Internal Medicine Physician1083008510
  4. Doris ChenNeurology Physician1013301969
  5. Wendy Chu, M.D.Hospitalist Physician1780901231
  6. Tatini DattaHematology & Oncology Physician1134513187

Verify Janice Park in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A119303
    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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79% fewer Medicare Part D claims than the average nephrology physician in 2024

311 Medicare Part D claims for 74 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Janice Park311
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate29 claims
  2. Nifedipine Er29 claims
  3. Losartan Potassium22 claims
  4. Famotidine18 claims
  5. Jardiance17 claims
  6. Furosemide16 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: $83.54

7 payments; by number, the most common kind was education; the largest payer was Akebia Therapeutics Inc. 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. Janice Park$83.54
  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. Regents OF The University OF CaliforniaSan Diego, CA

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

Janice Park among 1,468 nephrology physician records in California

Janice Park, M.D. 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 2010, is newer than 73% of them.

  • NPI issued2010 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2010 · median 2001 among the 1,128 with a school on file
  • Record last updated2017 · 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. Deborah Adey, M.D.Sacramento, CA 958171609823459
  2. Maryam Afkarian, M.D., PH.D.Sacramento, CA 958171255387338
  3. Andrew Chin, MDSacramento, CA 958171649251133
  4. Lorien Dalrymple, MDSacramento, CA 958171730291113
  5. Janeline Daubert, M.D.Sacramento, CA 958171386673598
  6. Thomas Depner, M.D.Sacramento, CA 958171962487561
  7. Burl Don, M.D.Sacramento, CA 958171548245541
  8. Brian Gallay, MDSacramento, CA 958171326024001

Common questions

What is Janice Park, M.D.'s NPI number?

Janice Park, M.D.'s National Provider Identifier (NPI) is 1225356959, issued on May 5, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Janice Park, M.D. located?

The NPPES record lists a practice address at 4150 V St # 1110, Sacramento, CA, 95817. Phone: (916) 734-2737. Providers update this record themselves, so call before visiting.

How can I verify Janice Park, M.D.'s license?

NPPES lists California license number A119303, 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 Janice Park, M.D. prescribe under Medicare Part D?

In 2024, Janice Park, M.D. had 311 Medicare Part D claims for 74 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.