Ming-Tyh Maa, M.D.
Pulmonary Disease Physician · Walnut Creek, CA
Ming-Tyh Maa, M.D. is a pulmonary disease physician with a practice address in Walnut Creek, California, and NPI 1073718722, issued on Jun 20, 2007. Check the license (California A111888, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ming-Tyh Maa
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A111888 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2700 Ygnacio Valley RD Ste 100, Walnut Creek, CA 94598
- Phone
- (925) 939-3050
- Enumerated
- Jun 20, 2007
- Record last updated
- Apr 22, 2024
- Fax
- (925) 939-3057
- Medicare enrollment
- Enrolled (PECOS I20100724000182); may accept Medicare assignment
- Medical or professional school
- Eastern Virginia Medical School, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 2700 Ygnacio Valley RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maryam Amini, MDFamily Medicine Physician1245402072
- Elvio Ardilles, MDPulmonary Disease Physician1518905322
- Vala Berjis, M.D.Pulmonary Disease Physician1023135761
- Anne Grzegorczyk, M.D.Pulmonary Disease Physician1720434004
- George Juan, M.D.Pulmonary Disease Physician1619273364
- Matthew LyonsPulmonary Disease Physician1457714933
Verify Ming-Tyh Maa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111888Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
777 Medicare Part D claims for 172 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Trelegy Ellipta188 claims
- Albuterol Sulfate Hfa52 claims
- Montelukast Sodium45 claims
- Prednisone40 claims
- Roflumilast40 claims
- Breo Ellipta34 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): 99.9 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $9,129.37
62 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- John Muir Trauma Physicians Billing ServiceWalnut Creek, CA
- Muir Pulmonary Critical CareWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ming-Tyh Maa among 1,443 pulmonary disease physician records in California
Ming-Tyh Maa, 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 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 40% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2004 · median 2002 among the 1,061 with a school on file
- Record last updated2024 · 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.
All 1,443 in California → Every provider in Walnut Creek → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Elvio Ardilles, MDWalnut Creek, CA 945981518905322
- Vala Berjis, M.D.Walnut Creek, CA 945981023135761
- Ka Ling (karin) Cheung, M.D.Walnut Creek, CA 945981881643831
- Anne Grzegorczyk, M.D.Walnut Creek, CA 945981720434004
- George Juan, M.D.Walnut Creek, CA 945981619273364
- Matthew LyonsWalnut Creek, CA 945981457714933
- Frederick Nachtwey, M.D.Walnut Creek, CA 945981710901822
- Manjari Nathan, M.D.Walnut Creek, CA 945981033386503
Common questions
What is Ming-Tyh Maa, M.D.'s NPI number?
Ming-Tyh Maa, M.D.'s National Provider Identifier (NPI) is 1073718722, issued on Jun 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ming-Tyh Maa, M.D. located?
The NPPES record lists a practice address at 2700 Ygnacio Valley RD Ste 100, Walnut Creek, CA, 94598. Phone: (925) 939-3050. Providers update this record themselves, so call before visiting.
How can I verify Ming-Tyh Maa, M.D.'s license?
NPPES lists California license number A111888, 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 Ming-Tyh Maa, M.D. prescribe under Medicare Part D?
In 2024, Ming-Tyh Maa, M.D. had 777 Medicare Part D claims for 172 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Ming-Tyh Maa, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.9 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.