John Chapin, MD
NPI 1205150869 · Hematology & Oncology Physician · New York, NY
John Chapin, MD is a Hematology & Oncology Physician provider in New York, NY (NPI 1205150869).
Provider details
- NPI number
- 1205150869
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 256429 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
16 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,080 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-03-24
- Last updated
- 2014-03-27
Frequently asked questions
- What is John Chapin's NPI number?
- John Chapin's National Provider Identifier (NPI) is 1205150869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chapin's specialty?
- John Chapin is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Chapin located?
- John Chapin's practice location on file with NPPES is 520 E 70th St, New York, NY 10021-9800.
- What is John Chapin's phone number?
- The practice phone number listed in the NPPES registry for John Chapin is (646) 962-2065.
- Is John Chapin's NPI active?
- Yes — John Chapin's NPI (1205150869) is active in the NPPES registry as of the last update on 2014-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.