What is William Lin's NPI number?

William Lin's National Provider Identifier (NPI) is 1235593104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Lin's specialty?

William Lin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is William Lin located?

William Lin's practice location on file with NPPES is 1055 Madison Marketplace, Hamilton, NY 13346.

What is William Lin's phone number?

The practice phone number listed in the NPPES registry for William Lin is (315) 825-3111.

Is William Lin's NPI active?

Yes — William Lin's NPI (1235593104) is active in the NPPES registry as of the last update on 2026-04-02.

IndividualActive

William Lin, MD

NPI 1235593104 · Family Medicine Physician · Hamilton, NY

William Lin, MD is a Family Medicine Physician provider in Hamilton, NY (NPI 1235593104).

Provider details

NPI number: 1235593104
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 300849 (NY)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense 300849 (NY)
Allopathic & Osteopathic Physicians
Family Medicine Physician207Q00000XLicense A158034 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(81/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
10 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
6 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

1055 Madison Marketplace

Hamilton, NY 13346

Phone: (315) 825-3111

Approximate (ZIP-level) locationGet directions

More NY providers

Mailing address

1 Atwell Rd

Cooperstown, NY 13326

Additional practice locations (5)

660 Baker St Ste A102
Costa Mesa, CA 92626-4407
Phone: (714) 668-2505
Fax: (714) 668-2515
18785 Brookhurst St Ste 101
Fountain Valley, CA 92708-7300
Phone: (714) 378-0042
Fax: (714) 968-9129
4950 Barranca Pkwy Ste 104
Irvine, CA 92604-8644
Phone: (949) 857-1248
Fax: (949) 559-1165
221 3rd St W Bldg 1040
Jbsa Randolph, TX 78150-4800
Phone: (830) 298-6538
590 Mitchell Blvd Bldg 375
Laughlin Afb, TX 78843-5242
Phone: (830) 298-6333

Enumerated: 2016-04-07
Last updated: 2026-04-02
Certified: 2026-04-02

Frequently asked questions

What is William Lin's NPI number?: William Lin's National Provider Identifier (NPI) is 1235593104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Lin's specialty?: William Lin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
Where is William Lin located?: William Lin's practice location on file with NPPES is 1055 Madison Marketplace, Hamilton, NY 13346.
What is William Lin's phone number?: The practice phone number listed in the NPPES registry for William Lin is (315) 825-3111.
Is William Lin's NPI active?: Yes — William Lin's NPI (1235593104) is active in the NPPES registry as of the last update on 2026-04-02.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.