NPPES file of Aug 9, 2026

Haiwang Tang, M.D.

Child & Adolescent Psychiatry Physician · Gilroy, CA

Haiwang Tang, M.D. is a child & adolescent psychiatry physician with a practice address in Gilroy, California, and NPI 1457514754, issued on Jul 7, 2008. Check the license (California C162559, 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
1457514754
Name
Haiwang Tang
Credential
M.D.
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License numbers
C162559 CA
26531 OK
Self-reported in NPPES; status is on the state search
Practice location
290 Ioof Ave, Gilroy, CA 95020
Phone
(408) 846-2100
Enumerated
Jul 7, 2008
Record last updated
Mar 19, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 290 Ioof Ave

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

  1. Tasfia AbhadhanMarriage & Family Therapist1821423898
  2. Alexis Acevedo, ASW, MSWClinical Social Worker1689288052
  3. Esmerada AcostaCase Manager/Care Coordinator1053713818
  4. Louis AcostaMarriage & Family Therapist1871132845
  5. Martha AcostaRehabilitation Practitioner1013531508
  6. Kishor AdhikariCase Manager/Care Coordinator1932334422

Verify Haiwang Tang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C162559
    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

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89% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024

53 Medicare Part D claims, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.

  1. Haiwang Tang53
  2. Specialty average504

Most prescribed

  1. Dextroamphetamine-Amphetamine12 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.

Child & Adolescent Psychiatry Physician providers in California

There are 1,009 child & adolescent psychiatry physician records in California.

Other child & adolescent psychiatry physician records in California

  1. Chester Abbott, M.D.Pasadena, CA1053442186
  2. Manar Abdelmegeed, MDSan Jose, CA1699137661
  3. Allan Abrams, M.D.Simi Valley, CA1306844626
  4. Lisa Acosta, MDSimi Valley, CA1497887277
  5. Indira Adapa, M.D.Fresno, CA1588776918
  6. Adeshewa Adekunbi, MDGardena, CA1083134829
  7. Steven Adelsheim, MDPalo Alto, CA1245246941
  8. Victoria AgeeIrvine, CA1659900306
  9. Ujwala Agharkar, MDFremont, CA1073685723
  10. Lielanie Mae Aguilar-Pascasio, M.D.El Centro, CA1356553945

Common questions

What is Haiwang Tang, M.D.'s NPI number?

Haiwang Tang, M.D.'s National Provider Identifier (NPI) is 1457514754, issued on Jul 7, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Haiwang Tang, M.D. located?

The NPPES record lists a practice address at 290 Ioof Ave, Gilroy, CA, 95020. Phone: (408) 846-2100. Providers update this record themselves, so call before visiting.

How can I verify Haiwang Tang, M.D.'s license?

NPPES lists California license number C162559, 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 Haiwang Tang, M.D. prescribe under Medicare Part D?

In 2024, Haiwang Tang, M.D. had 53 Medicare Part D claims; the average among child & adolescent psychiatry physician prescribers was 504. 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.