Kristian Efremov, MD
NPI 1215506852 · Orthopaedic Surgery Physician · East Meadow, NY
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristian Efremov, MD is a Orthopaedic Surgery Physician provider in East Meadow, NY (NPI 1215506852).
Provider details
- NPI number
- 1215506852
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 333909 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 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.
$3,941 across 24 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
Registry dates
- Enumerated
- 2021-06-18
- Last updated
- 2024-12-04
- Certified
- 2024-12-04
Frequently asked questions
- What is Kristian Efremov's NPI number?
- Kristian Efremov's National Provider Identifier (NPI) is 1215506852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristian Efremov's specialty?
- Kristian Efremov is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Kristian Efremov located?
- Kristian Efremov's practice location on file with NPPES is 1530 Front St, East Meadow, NY 11554-2265.
- What is Kristian Efremov's phone number?
- The practice phone number listed in the NPPES registry for Kristian Efremov is (516) 324-7500.
- Does Kristian Efremov accept Medicare?
- Kristian Efremov is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristian Efremov's NPI active?
- Yes — Kristian Efremov's NPI (1215506852) is active in the NPPES registry as of the last update on 2024-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.