Dr. Feliks Chechelniker, MD
- Medicare services, 2024
- 3,108
- Medicare patients, 2024
- 313
- Part D claims, 2024
- 3,145
- MIPS score, 2024
- 75
- Hospital affiliations
- 1
- Practice address
- 2601 Ocean Parkway, Brooklyn, NY 11235
- Practice phone
- Call (718) 616-4834
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chechelniker'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. Feliks Chechelniker is an internist in Brooklyn, New York
Dr. Chechelniker practices at NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York, part of NYC.
Dr. Chechelniker's NPI, 1558381491, was assigned on July 21, 2006. Dr. Chechelniker holds New York license 236690.
- NPI
- 1558381491NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840218939
- NPI enumeration date
- July 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (718) 616-4834
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Feliks Chechelniker practices at NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York
Dr. Chechelniker's primary practice is NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital, at 2601 Ocean Parkway, Brooklyn, NY 11235 in Kings County. The practice phone is (718) 616-4834.
- NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital2601 Ocean Parkway, Brooklyn, NY 11235 · Kings CountyPhone(718) 616-4834
Source: Dmand AI Affiliation Data
Dr. Feliks Chechelniker is affiliated with 4 sites of care and 2 medical groups
Dr. Chechelniker's primary practice is NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York, part of NYC. The medical group on file is Menorah Center for Rehabilitation and Nursing Care. Dmand AI also links Dr. Chechelniker to 1 more group practice or clinic, 1 home health agency, 1 skilled nursing facility and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Feliks Chechelniker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chechelniker practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg 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. Feliks Chechelniker is one of 9,643 internists in New York
Internal medicine is Dr. Chechelniker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chechelniker is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Chechelniker
Counts of internists 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. Feliks Chechelniker billed Medicare for 3,108 services in 2024
CMS data shows 3,108 Medicare services from Dr. Chechelniker across 12 procedure codes in 2024, for 313 Medicare patients. Medicare paid $240,316 for them.
Dr. Chechelniker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,7692024: 2,9266%
- Surgery
- 2023: 872024: 7316%
- Tests and treatments
- 2023: 1132024: 6542%
- Other services
- 2023: 572024: 4423%
Where Dr. Chechelniker's Medicare services took place, 2024
- In an office1,26641%
- In a facility1,84259%
Dr. Chechelniker compared with the New York median for internists, 2024
- Dr. Chechelniker
- New York median
- Medicare services
- 3,108vs 4267.3 times
- Medicare patients
- 313vs 15898% above
- Part D claims
- 2,641vs 6224.2 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Chechelniker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chechelniker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chechelniker and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Feliks Chechelniker treated 313 Medicare patients in 2024, average age 82
CMS counts 313 Medicare patients who saw Dr. Chechelniker in 2024. The largest group is 85 and over, with 148 patients. 75% of them have arthritis, and 75% have diabetes. 89% are also on Medicaid. Their average risk score is 3.24, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chechelniker's median patient age at 74, with 52% women.
Dr. Chechelniker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chechelniker's Medicare patients by sex, 2024
- Women17054%
- Men14346%
Chronic conditions among Dr. Chechelniker's Medicare patients, 2024
- Arthritis75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Alzheimer's and dementia66%
- Heart failure65%
- Mood disorders64%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chechelniker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Feliks Chechelniker wrote 3,145 Medicare Part D claims in 2024
In 2024, Dr. Chechelniker wrote 3,145 Medicare Part D claims for 87 patients. 72% of them were for generic drugs. CMS names the drug for 2,641 of them, across 78 drugs with 11 or more claims each, at $412,784 in total drug cost. In 2023, CMS named 2,566 claims across 75 drugs.
Dr. Chechelniker's Part D claims by kind of drug, 2024
- Generic2,280 claims72%
- Brand-name796 claims25%
- Other69 claims2%
Dr. Chechelniker's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chechelniker's Part D claims, 2024
- Opioids1%24 of 3,145 claims
- Antibiotics2%64 of 3,145 claims
- Antipsychotics, patients 65 and over1%21 of 3,145 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,5662024: 2,6413%
Drugs named by CMS: 78 in 2024, 75 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Feliks Chechelniker scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Chechelniker for performance year 2024, reported individually. Dr. Chechelniker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chechelniker as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chechelniker's MIPS scores, performance year 2024
- 75of 100Final score
- 40of 100Quality
- 40of 100Improvement Activities
- 63of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Feliks Chechelniker received $62 in industry payments from 2017 to 2019
CMS Open Payments shows 4 general payments to Dr. Chechelniker from 2 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $33.
General payments to Dr. Chechelniker by program year, 2017 to 2019
Companies that paid Dr. Chechelniker the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Feliks Chechelniker'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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)Medicare Part D Prescribers - by Provider (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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Feliks Chechelniker
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. Feliks Chechelniker's NPI number?
Dr. Feliks Chechelniker's NPI number is 1558381491. It was assigned on July 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Feliks Chechelniker?
Dr. Feliks Chechelniker is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Feliks Chechelniker practice?
Dr. Chechelniker practices at 2601 Ocean Parkway, Brooklyn, NY 11235. Dr. Chechelniker's primary practice is NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York, part of NYC. Dmand AI also links Dr. Chechelniker to 1 group practice or clinic, 1 home health agency, 1 skilled nursing facility and 1 medical group.
What is Dr. Feliks Chechelniker's office phone number?
The practice phone on file for Dr. Chechelniker is (718) 616-4834.
What is Dr. Feliks Chechelniker's medical license number?
Dr. Chechelniker holds New York license 236690.
Which hospitals is Dr. Feliks Chechelniker affiliated with?
Dr. Chechelniker practices at NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York.
What medical group is Dr. Feliks Chechelniker part of?
Dr. Chechelniker is linked to Menorah Center for Rehabilitation and Nursing Care. Dmand AI links Dr. Chechelniker to 1 more medical group.
Does Dr. Feliks Chechelniker accept Medicare?
Yes. CMS data shows Dr. Chechelniker billed Medicare for 3,108 services in 2024, and Dr. Chechelniker accepts Medicare assignment.
Does Dr. Feliks Chechelniker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chechelniker as offering telehealth services.
What is Dr. Feliks Chechelniker's MIPS score?
Dr. Chechelniker's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
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How many Medicare patients does Dr. Feliks Chechelniker see?
CMS counts 313 Medicare patients who saw Dr. Chechelniker in 2024, with an average age of 82.
What services does Dr. Feliks Chechelniker bill to Medicare?
In 2024, Dr. Chechelniker's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and office visit, established patient (99213).
What drugs does Dr. Feliks Chechelniker prescribe most?
In 2024 Medicare Part D data, Dr. Chechelniker's most prescribed drugs by claims were Amlodipine Besylate, Rosuvastatin Calcium and Metformin HCl.
Has Dr. Feliks Chechelniker received payments from drug or device companies?
CMS Open Payments shows $62 in general payments to Dr. Chechelniker from 2 companies from 2017 to 2019. The largest total came from Abbvie Inc.
How long has Dr. Feliks Chechelniker been practicing?
Dr. Chechelniker graduated from medical school in 1997, 29 years ago.
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