Holly Peng, MD
NPI 1356465124 · Family Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Peng, MD is a Family Medicine Physician provider in Seattle, WA (NPI 1356465124).
Provider details
- NPI number
- 1356465124
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00038909 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 5316 Rainier Ave SSeattle, WA 98118Phone: (206) 721-5600
Registry dates
- Enumerated
- 2007-03-19
- Last updated
- 2021-04-28
- Certified
- 2021-04-28
Frequently asked questions
- What is Holly Peng's NPI number?
- Holly Peng's National Provider Identifier (NPI) is 1356465124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Peng's specialty?
- Holly Peng is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Holly Peng located?
- Holly Peng's practice location on file with NPPES is 9800 4th Ave Ne, Seattle, WA 98115-2152.
- What is Holly Peng's phone number?
- The practice phone number listed in the NPPES registry for Holly Peng is (206) 302-1200.
- Does Holly Peng accept Medicare?
- Holly Peng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Peng's NPI active?
- Yes — Holly Peng's NPI (1356465124) is active in the NPPES registry as of the last update on 2021-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.