Stacey Rebecca Ma, MD
Allergy & Immunology (Internal Medicine) Physician · Seattle, WA
Stacey Rebecca Ma, MD is an allergy & immunology (internal medicine) physician with a practice address in Seattle, Washington, and NPI 1184155202, issued on Mar 21, 2017. Check the license (Washington MD61459858, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Stacey Rebecca Ma
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License number
- MD61459858 WA
Self-reported in NPPES; status is on the state search - Practice location
- 750 Republican St, Seattle, WA 98109
- Phone
- (515) 570-6372
- Enumerated
- Mar 21, 2017
- Record last updated
- Aug 14, 2023
- Medicare enrollment
- Enrolled (PECOS I20230731003422); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology (internal medicine) physician records → All 12 in Washington → Look up another NPI →
Also registered at 750 Republican St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Feng, M.D.Family Medicine Physician1770901779
Verify Stacey Rebecca Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61459858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024
385 Medicare Part D claims for 57 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Azelastine Hcl63 claims
- Montelukast Sodium40 claims
- Dupixent Syringe31 claims
- Epinephrine24 claims
- Famotidine23 claims
- Fluticasone-Salmeterol21 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): 93.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $107.58
3 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 321 providers of this specialty with any payment received $7,456.30 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 one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stacey Rebecca Ma among 12 allergy & immunology (internal medicine) physician records in Washington
Stacey Rebecca Ma, MD is one of 12 allergy & immunology (internal medicine) physician records with a practice address in Washington. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 58% of them.
- NPI issued2017 · 58% of these records are older, 17% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2017 · median 2014 among the 10 with a school on file
- Record last updated2023 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in Washington
There are 12 allergy & immunology (internal medicine) physician records in Washington.
All 12 in Washington → Every provider in Seattle → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- Lily Li, M.D.Seattle, WA 981041487072104
- Arvinder Mokha, M.D.Seattle, WA 981041235106352
- Matthew Altman, MDSeattle, WA 981951518195999
- Kelly Colas, DOSeattle, WA 981951831659085
- William HendersonSeattle, WA 981951639254436
- Gabriel Mendoza, MDSeattle, WA 981951437619871
- Michael Mullarkey, MDSeattle, WA 981951457478042
- Jing Yi Sun, M.D.Seattle, WA 981951073047130
Common questions
What is Stacey Rebecca Ma, MD's NPI number?
Stacey Rebecca Ma, MD's National Provider Identifier (NPI) is 1184155202, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Stacey Rebecca Ma, MD located?
The NPPES record lists a practice address at 750 Republican St, Seattle, WA, 98109. Phone: (515) 570-6372. Providers update this record themselves, so call before visiting.
How can I verify Stacey Rebecca Ma, MD's license?
NPPES lists Washington license number MD61459858, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stacey Rebecca Ma, MD prescribe under Medicare Part D?
In 2024, Stacey Rebecca Ma, MD had 385 Medicare Part D claims for 57 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. Part D covers Medicare prescriptions only.
What is Stacey Rebecca Ma, MD's MIPS final score?
The 2023 MIPS final score is 93.1 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.