Melanie Lin, MD
NPI 1780857235 · Internal Medicine Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melanie Lin, MD is a Internal Medicine Physician provider in Fountain Valley, CA (NPI 1780857235).
Provider details
- NPI number
- 1780857235
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A100349 (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
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2008-04-04
- Last updated
- 2012-11-08
Frequently asked questions
- What is Melanie Lin's NPI number?
- Melanie Lin's National Provider Identifier (NPI) is 1780857235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melanie Lin's specialty?
- Melanie Lin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Melanie Lin located?
- Melanie Lin's practice location on file with NPPES is 9930 Talbert Ave, Fountain Valley, CA 92708-5153.
- What is Melanie Lin's phone number?
- The practice phone number listed in the NPPES registry for Melanie Lin is (714) 378-6307.
- Does Melanie Lin accept Medicare?
- Melanie Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melanie Lin's NPI active?
- Yes — Melanie Lin's NPI (1780857235) is active in the NPPES registry as of the last update on 2012-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.