NPPES file of Aug 9, 2026

Marlene Peng, MD

Allergy Physician · Seattle, WA

Marlene Peng, MD is an allergy physician with a practice address in Seattle, Washington, and NPI 1770697112, issued on Aug 19, 2006. Check the license (Washington MD60102678, as entered in NPPES) on the Washington Medical Commission; 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
1770697112
Name
Marlene Peng
Credential
MD
Primary taxonomy
Allergy Physician 207KA0200X
License numbers
MD60102678 WA
68453341205 UT
46653 WI
Self-reported in NPPES; status is on the state search
Practice location
515 Minor Ave, Seattle, WA 98104
Phone
(206) 386-9500
Enumerated
Aug 19, 2006
Record last updated
Jun 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(206) 576-3802
Medicaid IDs
8560427 WA
34622400 WI
Medicare enrollment
Enrolled (PECOS I20091201000115); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2002
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.
Download card Updates feed

Also registered at 515 Minor Ave

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

  1. Paul Abdallah, MDInternal Medicine Physician1639166119
  2. Khaled Abdelrazzak, RPHPharmacist1790097574
  3. Jaime Ablutz, MPT, CSCS, OCS, CMPTPhysical Therapist1598804106
  4. Mei Allison, MDInternal Medicine Physician1437201241
  5. Osama Amro, MD., MSNephrology Physician1154642643
  6. Britt Anderson, MDInternal Medicine Physician1669583506

Verify Marlene Peng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60102678
    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 Washington 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.

61% fewer Medicare Part D claims than the average allergy physician in 2024

294 Medicare Part D claims for 69 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. Marlene Peng294
  2. Specialty average750

Most prescribed

  1. Ipratropium Bromide52 claims
  2. Azelastine Hcl43 claims
  3. Gammagard Liquid26 claims
  4. Montelukast Sodium26 claims
  5. Prednisone15 claims
  6. Dupixent Pen14 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): 82.8 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 score82.1
  2. Costout of 100 · 30%60.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Bills Medicare through one group practice

  1. Swedish Health ServicesBellevue, WA

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

Marlene Peng among 18 allergy physician records in Washington

Marlene Peng, MD is one of 18 allergy physician records with a practice address in Washington. 56% 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 22% of them.

  • NPI issued2006 · 22% of these records are older, 22% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2002 · median 1997 among the 10 with a school on file
  • Record last updated2021 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207KA0200X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy Physician providers in Washington

There are 18 allergy physician records in Washington.

The 8 allergy physician records with the nearest ZIP codes

  1. Pandora Christie, MDSeattle, WA 981151851385132
  2. John Morgan, MDSeattle, WA 981221700957701
  3. David Buscher, M.D.Redmond, WA 980521982755104
  4. Linda Oyesiku, MD,MPHSeattle, WA 981951528635059
  5. Jon Welch, M. D.Bellevue, WA 980051639285034
  6. Garrison Ayars, MDBellevue, WA 980041376567883
  7. Britton Georges, M.D.Bellevue, WA 980041326137324
  8. Charles Jackson, MDBellevue, WA 980041851305866

Common questions

What is Marlene Peng, MD's NPI number?

Marlene Peng, MD's National Provider Identifier (NPI) is 1770697112, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marlene Peng, MD located?

The NPPES record lists a practice address at 515 Minor Ave, Seattle, WA, 98104. Phone: (206) 386-9500. Providers update this record themselves, so call before visiting.

How can I verify Marlene Peng, MD's license?

NPPES lists Washington license number MD60102678, 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 Marlene Peng, MD prescribe under Medicare Part D?

In 2024, Marlene Peng, MD had 294 Medicare Part D claims for 69 beneficiaries; the average among allergy physician prescribers was 750. Part D covers Medicare prescriptions only.

What is Marlene Peng, MD's MIPS final score?

The 2023 MIPS final score is 82.8 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.