NPPES file of Aug 9, 2026

Saba Hamiduzzaman, M.D.

Pulmonary Disease Physician · Irvine, CA

Saba Hamiduzzaman, M.D. is a pulmonary disease physician with a practice address in Irvine, California, and NPI 1700011004, issued on May 16, 2009. Check the license (California A142766, 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
1700011004
Name
Saba Hamiduzzaman
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
A142766 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 Fivepoint, Irvine, CA 92618
Phone
(800) 826-4673
Enumerated
May 16, 2009
Record last updated
Jan 15, 2026
Medicare enrollment
Enrolled (PECOS I20160906001689); accepts Medicare assignment
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 1000 Fivepoint

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

  1. Mary Alessi, PA-CPhysician Assistant1962711838
  2. Tara Anderson, PA-CPhysician Assistant1770058349
  3. Aubree Ashdown, PA-CPhysician Assistant1679244503
  4. Ghazal Bahri, M.D.Hospitalist Physician1770013146
  5. Meg Camille Baldonado, FNP-CFamily Nurse Practitioner1346602604
  6. Joseph Barrera, FNPFamily Nurse Practitioner1306289491

Verify Saba Hamiduzzaman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A142766
    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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33% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

959 Medicare Part D claims for 208 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.

  1. Saba Hamiduzzaman959
  2. Specialty average1,425

Most prescribed

  1. Albuterol Sulfate Hfa158 claims
  2. Trelegy Ellipta127 claims
  3. Incruse Ellipta54 claims
  4. Prednisone52 claims
  5. Azelastine Hcl51 claims
  6. Spiriva Respimat41 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): 85.2 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. Qualityout of 100 · 30% of the final score71.8
  2. Costout of 100 · 30%64.5
  3. Promoting interoperabilityout of 100 · 25%82.0
  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: $142.14

5 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. 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. Saba Hamiduzzaman$142.14
  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.

Bills Medicare through 3 group practices

  1. Arch Health Partners IncEscondido, CA
  2. City OF Hope Medical FoundationIrvine, CA
  3. Faculty Physicians And Surgeons OF LlusmLoma Linda, CA

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

Saba Hamiduzzaman among 1,443 pulmonary disease physician records in California

Saba Hamiduzzaman, M.D. 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 2009, is newer than 64% of them.

  • NPI issued2009 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2009 · median 2002 among the 1,061 with a school on file
  • Record last updated2026 · 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. Jonathan Ahdoot, M.D.Irvine, CA 926181568559102
  2. Annie Chen, MDIrvine, CA 926181043771173
  3. Roopam Jariwal, MDIrvine, CA 926181801452883
  4. Adie Kalansky, MDIrvine, CA 926181740660752
  5. Johnny Kim, M.D.Irvine, CA 926181568676252
  6. Jung Kim, MDIrvine, CA 926181093202103
  7. George Yuen, M.D.Irvine, CA 926181184722613
  8. Rainy Zhang, MDIrvine, CA 926181568924199

Common questions

What is Saba Hamiduzzaman, M.D.'s NPI number?

Saba Hamiduzzaman, M.D.'s National Provider Identifier (NPI) is 1700011004, issued on May 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Saba Hamiduzzaman, M.D. located?

The NPPES record lists a practice address at 1000 Fivepoint, Irvine, CA, 92618. Phone: (800) 826-4673. Providers update this record themselves, so call before visiting.

How can I verify Saba Hamiduzzaman, M.D.'s license?

NPPES lists California license number A142766, 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 Saba Hamiduzzaman, M.D. prescribe under Medicare Part D?

In 2024, Saba Hamiduzzaman, M.D. had 959 Medicare Part D claims for 208 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is Saba Hamiduzzaman, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.2 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.