NPPES file of Aug 9, 2026

Alfred Chung

Hematology (Internal Medicine) Physician · San Francisco, CA

Alfred Chung is a hematology (internal medicine) physician with a practice address in San Francisco, California, and NPI 1417375627, issued on Apr 3, 2014. Check the license (California A137526, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417375627
Name
Alfred Chung
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
A137526 CA
Self-reported in NPPES; status is on the state search
Practice location
400 Parnassus Ave FL 4, San Francisco, CA 94143
Phone
(415) 353-2421
Enumerated
Apr 3, 2014
Record last updated
Mar 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201002000978); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2014
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 400 Parnassus Ave FL 4

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

  1. Shagun Arora, MDHematology & Oncology Physician1316198112
  2. Margaret Balma, NPGerontology Nurse Practitioner1265311989
  3. David Besio, MS, RDRegistered Dietitian1376574657
  4. Debajyoti Datta, M.D.Hematology (Internal Medicine) Physician1093073090
  5. Savana Dobyns, NPGerontology Nurse Practitioner1194552869
  6. Hannah ElliottFamily Nurse Practitioner1710456447

Verify Alfred Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A137526
    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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11% more Medicare Part D claims than the average hematology (internal medicine) physician in 2024

553 Medicare Part D claims for 74 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims. 28 claims were for opioids.

  1. Alfred Chung553
  2. Specialty average496

Most prescribed

  1. Pomalyst105 claims
  2. Acyclovir74 claims
  3. Revlimid67 claims
  4. Sulfamethoxazole-Trimethoprim34 claims
  5. Dexamethasone24 claims
  6. Gabapentin16 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 MIPS final score for 2023 (Medicare payment program): 74.5 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.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $772.78

2 payments; by number, the most common kind was consulting fee; the largest payer was Janssen Biotech, Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alfred Chung$773
  2. Specialty average$13,778

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

Bills Medicare through 3 group practices

  1. Regents OF The University OF CaliforniaSan Francisco, CA
  2. Ucsf Medical Group Business ServicesBurlingame, CA
  3. University OF California San FranciscoSan Francisco, CA

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

Alfred Chung among 175 hematology (internal medicine) physician records in California

Alfred Chung is one of 175 hematology (internal medicine) physician records with a practice address in California. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.

  • NPI issued2014 · 81% of these records are older, 13% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2014 · median 2006 among the 135 with a school on file
  • Record last updated2021 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Internal Medicine) Physician providers in California

There are 175 hematology (internal medicine) physician records in California.

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Debajyoti Datta, M.D.San Francisco, CA 941431093073090
  2. Annabel Frank, MDSan Francisco, CA 941431649774290
  3. Karin Gaensler, MDSan Francisco, CA 941431609830215
  4. Marina Heskel, MDSan Francisco, CA 941431184243313
  5. Andrew Leavitt, M.D.San Francisco, CA 941431952343113
  6. Gallia Levy, MD, PHDSan Francisco, CA 941431023271350
  7. Charles Linker, MDSan Francisco, CA 941431811951957
  8. Anna ParksSan Francisco, CA 941431164840757

Common questions

What is Alfred Chung's NPI number?

Alfred Chung's National Provider Identifier (NPI) is 1417375627, issued on Apr 3, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Alfred Chung located?

The NPPES record lists a practice address at 400 Parnassus Ave FL 4, San Francisco, CA, 94143. Phone: (415) 353-2421. Providers update this record themselves, so call before visiting.

How can I verify Alfred Chung's license?

NPPES lists California license number A137526, 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 Alfred Chung prescribe under Medicare Part D?

In 2024, Alfred Chung had 553 Medicare Part D claims for 74 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.

What is Alfred Chung's MIPS final score?

The 2023 MIPS final score is 74.5 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), 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.