John Karamichalis, MD
NPI 1467651083 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New York, NY
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Karamichalis, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in New York, NY (NPI 1467651083).
Provider details
- NPI number
- 1467651083
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 308870 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- 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.
$624 across 4 records (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
Additional practice locations (3)
- 1800 Orleans StBaltimore, MD 21287-0010Phone: (410) 955-8893
- 201 Lyons AveNewark, NJ 07112-2027Phone: (973) 926-7000
- 160 E Erie AvePhiladelphia, PA 19134-1011Phone: (215) 427-4820
Registry dates
- Enumerated
- 2007-07-13
- Last updated
- 2025-05-06
- Certified
- 2025-05-06
Frequently asked questions
- What is John Karamichalis's NPI number?
- John Karamichalis's National Provider Identifier (NPI) is 1467651083, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Karamichalis's specialty?
- John Karamichalis is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is John Karamichalis located?
- John Karamichalis's practice location on file with NPPES is 3959 Broadway, New York, NY 10032-1559.
- What is John Karamichalis's phone number?
- The practice phone number listed in the NPPES registry for John Karamichalis is (212) 305-0914.
- Does John Karamichalis accept Medicare?
- John Karamichalis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Karamichalis's NPI active?
- Yes — John Karamichalis's NPI (1467651083) is active in the NPPES registry as of the last update on 2025-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.