NPPES file of Aug 9, 2026

Sammy T. Hung, MD

Pulmonary Disease Physician · Hayward, CA

Sammy T. Hung, MD is a pulmonary disease physician with a practice address in Hayward, California, and NPI 1639192404, issued on Jul 25, 2006. Check the license (California G34867, 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
1639192404
Name
Sammy T. Hung
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
G34867 CA
Self-reported in NPPES; status is on the state search
Practice location
27001 Calaroga Ave, Hayward, CA 94545
Phone
(510) 887-4033
Enumerated
Jul 25, 2006
Record last updated
Oct 5, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(510) 887-0874
Medicaid ID
00G348670 CA
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.
Download card Updates feed

Also registered at 27001 Calaroga Ave

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

  1. Ivan Lee, M.D.Internal Medicine Physician1366431348
  2. Queelan Ratnesar, M.D.Internal Medicine Physician1497880801

Verify Sammy T. Hung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G34867
    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.

4% more Medicare Part D claims than the average pulmonary disease physician in 2024

1,475 Medicare Part D claims for 198 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Sammy Hung1,475
  2. Specialty average1,425

Most prescribed

  1. Albuterol Sulfate Hfa192 claims
  2. Trelegy Ellipta143 claims
  3. Breo Ellipta82 claims
  4. Prednisone74 claims
  5. Montelukast Sodium69 claims
  6. Ventolin Hfa66 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 MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score89.9
  2. Costout of 100 · 30%96.8
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $111.60

5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sammy Hung$111.60
  2. Specialty average$5,159.88

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

Sammy T. Hung among 1,443 pulmonary disease physician records in California

Sammy T. Hung, MD is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 51% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 74% of these records are
  • Record last updated2015 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in California

There are 1,443 pulmonary disease physician records in California.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Laurence Athos, M.D.Castro Valley, CA 945461194898510
  2. Navdeep Singh, MDCastro Valley, CA 945461770547192
  3. Kevin Lee, MDLivermore, CA 945501245230333
  4. William Auyeung, M.D.Fremont, CA 945381922365857
  5. Jason Chu, M.D.Fremont, CA 945381972521060
  6. Marco Pavesi, M.D.Fremont, CA 945381457379554
  7. Samir Vora, M.D.Fremont, CA 945381376562629
  8. Initha Elangovan, M.DMartinez, CA 945531083925739

Common questions

What is Sammy T. Hung, MD's NPI number?

Sammy T. Hung, MD's National Provider Identifier (NPI) is 1639192404, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sammy T. Hung, MD located?

The NPPES record lists a practice address at 27001 Calaroga Ave, Hayward, CA, 94545. Phone: (510) 887-4033. Providers update this record themselves, so call before visiting.

How can I verify Sammy T. Hung, MD's license?

NPPES lists California license number G34867, 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 Sammy T. Hung, MD prescribe under Medicare Part D?

In 2024, Sammy T. Hung, MD had 1,475 Medicare Part D claims for 198 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is Sammy T. Hung, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100. 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.