NPPES file of Aug 9, 2026

Huan T. Ha, M.D.

Hematology & Oncology Physician · Fremont, CA

Huan T. Ha, M.D. is a hematology & oncology physician with a practice address in Fremont, California, and NPI 1205958360, issued on Apr 6, 2007. Check the license (California C137559, 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
1205958360
Name
Huan T. Ha
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
C137559 CA
2009-00512 NC
MD166978 OR
Self-reported in NPPES; status is on the state search
Practice location
3200 Kearney St, Fremont, CA 94538
Phone
(510) 498-2335
Enumerated
Apr 6, 2007
Record last updated
Jun 3, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20151106002096); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2003
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 3200 Kearney St

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

  1. Jia Afnan, PAPhysician Assistant1376763698
  2. Jessica Aldaz, FNPFamily Nurse Practitioner1740467174
  3. Neha AnandFamily Medicine Physician1477810836
  4. Lauren Auerbach, MDEmergency Medicine Physician1033678990
  5. Ritika Aulakh, D.OFamily Medicine Physician1346335072
  6. Rupal Badani, M.D.Pediatrics Physician1598857765

Verify Huan T. Ha in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C137559
    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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17% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

730 Medicare Part D claims for 152 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Huan Ha730
  2. Specialty average877

Most prescribed

  1. Eliquis86 claims
  2. Anastrozole80 claims
  3. Hydroxyurea55 claims
  4. Acyclovir50 claims
  5. Tamoxifen Citrate37 claims
  6. Prochlorperazine Maleate36 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: $43.29

3 payments; by number, the most common kind was food and beverage; the largest payer was Rigel Pharmaceuticals, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Huan Ha$43.29
  2. Specialty average$7,481.41

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. Sutter Bay Medical FoundationFremont, CA

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

Huan T. Ha among 1,583 hematology & oncology physician records in California

Huan T. Ha, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 40% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2003 · median 2003 among the 1,124 with a school on file
  • Record last updated2020 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Amit Arora, M.D.Fremont, CA 945381386722130
  2. Peter Deck, MDFremont, CA 945381922183698
  3. Bogdan Eftimie, M.D.Fremont, CA 945381740458900
  4. Huichung Ling, M.D.Fremont, CA 945381740213107
  5. Carlton ScharmanFremont, CA 945381346662806
  6. Matthew Tenold, MDFremont, CA 945381992199558
  7. Salimah Valliani, M.D.Fremont, CA 945381861889750
  8. Dan Wong, MDFremont, CA 945381083799308

Common questions

What is Huan T. Ha, M.D.'s NPI number?

Huan T. Ha, M.D.'s National Provider Identifier (NPI) is 1205958360, issued on Apr 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Huan T. Ha, M.D. located?

The NPPES record lists a practice address at 3200 Kearney St, Fremont, CA, 94538. Phone: (510) 498-2335. Providers update this record themselves, so call before visiting.

How can I verify Huan T. Ha, M.D.'s license?

NPPES lists California license number C137559, 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 Huan T. Ha, M.D. prescribe under Medicare Part D?

In 2024, Huan T. Ha, M.D. had 730 Medicare Part D claims for 152 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.