Marn Joon Park, MD
NPI 1750259651 · Otolaryngology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marn Joon Park, MD is a Otolaryngology Physician provider in Stanford, CA (NPI 1750259651).
Provider details
- NPI number
- 1750259651
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- SPI919 (CA)
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
Under 1 yr in 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)
- 801 Welch Rd Fl 2Palo Alto, CA 94304-1611Phone: (650) 724-1745
Registry dates
- Enumerated
- 2025-10-23
- Last updated
- 2026-02-10
- Certified
- 2026-02-10
Frequently asked questions
- What is Marn Joon Park's NPI number?
- Marn Joon Park's National Provider Identifier (NPI) is 1750259651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marn Joon Park's specialty?
- Marn Joon Park is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Marn Joon Park located?
- Marn Joon Park's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Marn Joon Park's phone number?
- The practice phone number listed in the NPPES registry for Marn Joon Park is (650) 723-4000.
- Does Marn Joon Park accept Medicare?
- Marn Joon Park is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marn Joon Park's NPI active?
- Yes — Marn Joon Park's NPI (1750259651) is active in the NPPES registry as of the last update on 2026-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.