Anterior Cruciate Ligament InjuriesAnterior Cruciate Ligament ReconstructionAthletic Injuries
Dr. Kristian Efremov, MD
NPI1215506852PAC ID4183079726
- Medicare patients, 2024
- 27
- Part D claims, 2022
- 15
- Publications
- 18
- Hospital affiliations
- 1
- Industry payments
- $19,741
- Practice address
- 550 1st Ave, New York, NY 10016
- Practice phone
- Call (212) 263-1481
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
NYU Langone - Tisch Hospital
New York, New York
Find Dr. Efremov's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Kristian Efremov is an orthopedic surgeon in New York, New York
Dr. Efremov practices at NYU Langone - Tisch Hospital in New York, New York.
Dr. Efremov's NPI, 1215506852, was assigned on June 18, 2021. Dr. Efremov holds New York license 333909.
NPI and contact details
- NPI
- 1215506852NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183079726
- NPI enumeration date
- June 18, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 263-1481
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kristian Efremov practices at NYU Langone - Tisch Hospital in New York, New York
Dr. Efremov's primary practice is NYU Langone - Tisch Hospital, at 550 1st Ave, New York, NY 10016 in New York County. The practice phone is (212) 263-1481.
- NYU Langone - Tisch Hospital550 1st Ave, New York, NY 10016 · New York CountyPhone(212) 263-1481
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kristian Efremov is affiliated with 4 sites of care and 2 medical groups
Dr. Efremov's primary practice is NYU Langone - Tisch Hospital in New York, New York. Dr. Efremov is also affiliated with Tisch Hospital. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Dr. Efremov to 1 more group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.
NYU Langone - Tisch HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kristian Efremov's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Efremov practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYU Langone - Tisch Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kristian Efremov is one of 1,151 orthopedic surgeons in New York
Orthopaedic surgery is Dr. Efremov's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Efremov is licensed in New York.
Specialties and state licenses
- Orthopaedic surgery, New YorkPrimary
Orthopedic surgeons near Dr. Efremov
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Kristian Efremov treated 27 Medicare patients in 2024, average age 69
CMS counts 27 Medicare patients who saw Dr. Efremov in 2024. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Efremov's median patient age at 55, with 58% women.
Medicare patients, 202427
Average age69
Average risk score1.03
Chronic conditions among Dr. Efremov's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure70%
- Mood disorders41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Efremov's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kristian Efremov wrote 15 Medicare Part D claims in 2022
In 2022, Dr. Efremov wrote 15 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $90 in total drug cost.
Part D claims, 202215
Drugs named by CMS1
Total drug cost$90
Dr. Efremov's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Kristian Efremov offers telehealth to Medicare patients
Dr. Efremov accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Efremov as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Kristian Efremov has 18 publications on record
Dmand AI links 18 papers to Dr. Efremov, published from 2014 to 2025. 2022 was the busiest year, with 5. The most frequent topics are Arthroplasty, Replacement, Shoulder, Bone Nails and Femur. Dr. Efremov has published most often in Int J Surg Case Rep. Dr. Efremov's most frequent co-authors are Jacob Matthew Kirsch, MD, Xinning Li, MD and Joseph Albert Abboud, MD.
Papers18
Years published2014 to 2025
Dr. Efremov's papers by year, 2014 to 2025
Topics Dr. Efremov writes about most
- Arthroplasty, Replacement, Shoulder
- Bone Nails
- Femur
- Fracture Fixation, Intramedullary
- Tibia
Dr. Efremov's most frequent co-authors
- Jacob Matthew Kirsch, MD2 shared papers
- Xinning Li, MD2 shared papers
- Joseph Albert Abboud, MD1 shared paper
Recent publications by Dr. Efremov
AcromionArthroplasty, Replacement, ShoulderFractures, Stress
J Shoulder Elbow Surg
Arthroplasty, Replacement, ShoulderReoperationShoulder Joint
See who Dr. Efremov researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Efremov works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kristian Efremov received $19,741 in industry payments from 2023 to 2025
CMS Open Payments shows 83 general payments to Dr. Efremov from 17 drug and device companies from 2023 to 2025. Grants make up the largest share, 51% of the total. Arthrex, Inc. paid the most, $10,412.
General payments to Dr. Efremov by program year, 2023 to 2025
General payments to Dr. Efremov by kind, 2023 to 2025
$19.7Kin total
- Grants$10,00051%
- Food and beverage$6,17131%
- Travel and lodging$3,57018%
Companies that paid Dr. Efremov the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Kristian Efremov's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Kristian Efremov
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Kristian Efremov's NPI number?
Dr. Kristian Efremov's NPI number is 1215506852. It was assigned on June 18, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Kristian Efremov?
Dr. Kristian Efremov is an orthopedic surgeon in New York, New York. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Kristian Efremov practice?
Dr. Efremov practices at 550 1st Ave, New York, NY 10016. Dr. Efremov's primary practice is NYU Langone - Tisch Hospital in New York, New York. Dmand AI also links Dr. Efremov to 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. Kristian Efremov's office phone number?
The practice phone on file for Dr. Efremov is (212) 263-1481.
What is Dr. Kristian Efremov's medical license number?
Dr. Efremov holds New York license 333909.
Which hospitals is Dr. Kristian Efremov affiliated with?
Dr. Efremov is affiliated with Tisch Hospital.
What medical group is Dr. Kristian Efremov part of?
Dr. Efremov is linked to NYU Langone Orthopedic Surgery Associates. Dmand AI links Dr. Efremov to 1 more medical group.
Does Dr. Kristian Efremov accept Medicare?
Yes. CMS lists Dr. Efremov as accepting Medicare assignment.
Does Dr. Kristian Efremov offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Efremov as offering telehealth services.
How many Medicare patients does Dr. Kristian Efremov see?
CMS counts 27 Medicare patients who saw Dr. Efremov in 2024, with an average age of 69.
Show 5 more questionsShow fewer questions
What drugs does Dr. Kristian Efremov prescribe most?
In 2022 Medicare Part D data, Dr. Efremov's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Kristian Efremov received payments from drug or device companies?
CMS Open Payments shows $19,741 in general payments to Dr. Efremov from 17 companies from 2023 to 2025. The largest total came from Arthrex, Inc.
How long has Dr. Kristian Efremov been practicing?
Dr. Efremov graduated from medical school in 2013, 13 years ago.
Does Dr. Kristian Efremov do research?
Dmand AI links 18 publications to Dr. Efremov, published from 2014 to 2025.
Who does Dr. Kristian Efremov publish with?
Dr. Efremov's most frequent co-authors are Jacob Matthew Kirsch, MD (2 shared papers), Xinning Li, MD (2 shared papers) and Joseph Albert Abboud, MD (1 shared paper).
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