Dr. Marlene Peng, MD

  • Seattle, WA
  • Allergy physician
NPI1770697112PAC ID9638231707
Medicare services, 2024
836
Medicare patients, 2024
82
Part D claims, 2024
294
MIPS score, 2024
87
Hospital affiliations
1
Practice address
1550 N 115th St, Seattle, WA 98133
Practice phone
Call (206) 364-0500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UW Medical Center - Northwest

Seattle, Washington

See all 8 affiliations

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Dr. Marlene Peng is an allergy physician in Seattle, Washington

Dr. Peng practices at UW Medical Center - Northwest in Seattle, Washington.

Dr. Peng's NPI, 1770697112, was assigned on August 19, 2006. Dr. Peng graduated from Northwestern University Feinberg Medical School in 2002. Dr. Peng holds Washington license MD60102678.

NPI and contact details
Medicare PAC ID
9638231707
NPI enumeration date
August 19, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(206) 364-0500
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
50
Medical school graduation
2002

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Marlene Peng practices at UW Medical Center - Northwest in Seattle, Washington

Dr. Peng's primary practice is UW Medical Center - Northwest, at 1550 N 115th St, Seattle, WA 98133 in King County. The practice phone is (206) 364-0500.

  • UW Medical Center - Northwest
    1550 N 115th St, Seattle, WA 98133 · King CountyPhone(206) 364-0500

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Marlene Peng is affiliated with 5 sites of care and 3 medical groups

Dr. Peng's primary practice is UW Medical Center - Northwest in Seattle, Washington. Dr. Peng is also affiliated with Swedish First Hill Campus. The medical group on file is Swedish Health Services. Dmand AI also links Dr. Peng to 2 more group practices and clinics, 2 medical groups and 1 ambulatory surgery center, each named with a free account.

See all 8 affiliations for Dr. Peng

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Marlene Peng's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Peng practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UW Medical Center - NorthwestAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Marlene Peng is one of 11 allergy physicians in Washington

Allergy is Dr. Peng's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dmand AI has Dr. Peng's licenses on file in 3 states: Washington, Utah and Wisconsin.

Specialties and state licenses

  • Allergy, WashingtonPrimaryLicense MD60102678 · taxonomy 207KA0200X
  • Allergy and immunology, UtahLicense 68453341205 · taxonomy 207K00000X
  • Pediatric allergy/immunology, WisconsinLicense 46653 · taxonomy 2080P0201X

Allergy physicians near Dr. Peng

Counts of allergy physicians with a Dmand AI profile, by place and practice. Each opens the list.

11allergy physicians in Washington
4allergy physicians in Seattle

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Marlene Peng billed Medicare for 836 services in 2024

CMS data shows 836 Medicare services from Dr. Peng across 5 procedure codes in 2024, for 82 Medicare patients. Medicare paid $11,389 for them. Every service was in an office.

Medicare services, 2024836
Medicare patients82
Paid by Medicare$11,389
Procedure codes5

Dr. Peng's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1,0402024: 74329%
Office and hospital visits
2023: 762024: 76No change
Other services
2023: 02024: 17

Dr. Peng compared with the Washington median for allergy physicians, 2024

  • Dr. Peng
  • Washington median
Part D claims
224vs 26816% below

Medians across 10 allergy physicians in Washington with Dmand AI profiles that report each measure.

Dr. Peng's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Marlene Peng treated 82 Medicare patients in 2024, average age 73

CMS counts 82 Medicare patients who saw Dr. Peng in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 1.29, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Peng's median patient age at 37, with 55% women.

Medicare patients, 202482
Average age73
Average risk score1.29

Dr. Peng's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Peng's Medicare patients by sex, 2024

  • Women6276%
  • Men2024%

Chronic conditions among Dr. Peng's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure62%
  3. Arthritis54%
  4. Asthma39%
  5. Anxiety32%
  6. Osteoporosis29%
  7. Mood disorders28%
  8. Depression24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Peng's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 37

Patient panel by sex, all payers

  • Women55%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Marlene Peng wrote 294 Medicare Part D claims in 2024

In 2024, Dr. Peng wrote 294 Medicare Part D claims for 69 patients. 64% of them were for generic drugs. CMS names the drug for 224 of them, across 10 drugs with 11 or more claims each, at $138,765 in total drug cost. In 2023, CMS named 199 claims across 9 drugs.

Part D claims, 2024294
Drugs named by CMS10
Total drug cost$138,765
Part D patients69

Dr. Peng's Part D claims by kind of drug, 2024

  • Generic187 claims64%
  • Brand-name107 claims36%

Dr. Peng's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1992024: 22413%

Drugs named by CMS: 10 in 2024, 9 in 2023.

See all prescribing by Dr. Peng

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Marlene Peng scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Peng for performance year 2024, reported as part of a group. Dr. Peng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Peng as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Peng's MIPS scores, performance year 2024

  • 87of 100Final score
  • 84.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Marlene Peng received $110 in industry payments from 2016 to 2017

CMS Open Payments shows 2 general payments to Dr. Peng from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Shire North American Group Inc paid the most, $95.

General payments to Dr. Peng by program year, 2016 to 2017

Companies that paid Dr. Peng the most, 2016 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Peng

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Marlene Peng graduated from Northwestern University Feinberg Medical School

Dr. Peng graduated from Northwestern University Feinberg Medical School in 2002.

  1. Medical schoolNorthwestern University Feinberg Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Marlene Peng's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Marlene Peng

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Marlene Peng's NPI number?

Dr. Marlene Peng's NPI number is 1770697112. It was assigned on August 19, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Marlene Peng?

Dr. Marlene Peng is an allergy physician in Seattle, Washington. The primary specialty in the NPI Registry is Allergy Physician (taxonomy code 207KA0200X).

Where does Dr. Marlene Peng practice?

Dr. Peng practices at 1550 N 115th St, Seattle, WA 98133. Dr. Peng's primary practice is UW Medical Center - Northwest in Seattle, Washington. Dmand AI also links Dr. Peng to 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center.

What is Dr. Marlene Peng's office phone number?

The practice phone on file for Dr. Peng is (206) 364-0500.

What is Dr. Marlene Peng's medical license number?

Dr. Peng holds Washington license MD60102678, one of the licenses on file in 3 states.

Which states has Dr. Marlene Peng been licensed in?

Dmand AI has state licenses on file for Dr. Peng in Washington, Utah and Wisconsin.

Which hospitals is Dr. Marlene Peng affiliated with?

Dr. Peng is affiliated with Swedish First Hill Campus.

What medical group is Dr. Marlene Peng part of?

Dr. Peng is linked to Swedish Health Services. Dmand AI links Dr. Peng to 2 more medical groups.

Does Dr. Marlene Peng accept Medicare?

Yes. CMS data shows Dr. Peng billed Medicare for 836 services in 2024, and Dr. Peng accepts Medicare assignment.

Does Dr. Marlene Peng offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Peng as offering telehealth services.

Show 7 more questionsShow fewer questions

What is Dr. Marlene Peng's MIPS score?

Dr. Peng's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

How many Medicare patients does Dr. Marlene Peng see?

CMS counts 82 Medicare patients who saw Dr. Peng in 2024, with an average age of 73.

What services does Dr. Marlene Peng bill to Medicare?

In 2024, Dr. Peng's most billed Medicare services were allergy test or treatment (95004), office visit, new patient (99204) and office visit, established patient (99214).

Where did Dr. Marlene Peng go to medical school?

Dr. Peng graduated from Northwestern University Feinberg Medical School in 2002.

What drugs does Dr. Marlene Peng prescribe most?

In 2024 Medicare Part D data, Dr. Peng's most prescribed drugs by claims were Ipratropium Bromide, Azelastine HCl and Gammagard Liquid.

Has Dr. Marlene Peng received payments from drug or device companies?

CMS Open Payments shows $110 in general payments to Dr. Peng from 2 companies from 2016 to 2017. The largest total came from Shire North American Group Inc.

How long has Dr. Marlene Peng been practicing?

Dr. Peng graduated from medical school in 2002, 24 years ago.

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