Peter Ko, MD
NPI 1861135196 · Internal Medicine Physician · New York, NY
Peter Ko, MD is a Internal Medicine Physician provider in New York, NY (NPI 1861135196).
Provider details
- NPI number
- 1861135196
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2022-04-14
- Last updated
- 2025-07-01
- Certified
- 2025-07-01
Frequently asked questions
- What is Peter Ko's NPI number?
- Peter Ko's National Provider Identifier (NPI) is 1861135196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Ko's specialty?
- Peter Ko is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Ko located?
- Peter Ko's practice location on file with NPPES is 100 E 77th St, New York, NY 10075-1850.
- What is Peter Ko's phone number?
- The practice phone number listed in the NPPES registry for Peter Ko is (212) 434-2000.
- Is Peter Ko's NPI active?
- Yes — Peter Ko's NPI (1861135196) is active in the NPPES registry as of the last update on 2025-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.