Sofya A. Kleyn

  • New York, NY
  • Geriatric medicine (internal medicine) physician
NPI1972628865PAC ID3678665312
Medicare services, 2024
722
Medicare patients, 2024
149
Part D claims, 2024
476
Industry payments
$1,827
Affiliated sites
6
Practice address
225 Broadway, New York, NY 10007-3001
Practice phone
Call (212) 571-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Modern Medical

Physician office · New York, New York

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Sofya A. Kleyn is a geriatric medicine (internal medicine) physician in New York, New York

Sofya Kleyn practices at Modern Medical in New York, New York.

Sofya Kleyn's NPI, 1972628865, was assigned on March 20, 2007. Sofya Kleyn graduated from Azerbaijan State Medical Institute in 1992. Sofya Kleyn holds New York license 243074.

NPI and contact details
Medicare PAC ID
3678665312
NPI enumeration date
March 20, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(212) 571-5000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
60
Medical school graduation
1992

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Sofya A. Kleyn practices at Modern Medical in New York, New York

Sofya Kleyn's primary practice is Modern Medical, at 225 Broadway, New York, NY 10007-3001. The practice phone is (212) 571-5000.

  • Modern Medical
    225 Broadway, New York, NY 10007-3001Phone(212) 571-5000

Source: Dmand AI Affiliation Data

Sofya A. Kleyn is affiliated with 6 sites of care and 4 medical groups

Sofya Kleyn's primary practice is Modern Medical in New York, New York. The medical group on file is Modern Medical PC. Dmand AI also links Sofya Kleyn to 4 more group practices and clinics, 3 medical groups and 1 home health agency, each named with a free account.

See all 10 affiliations for Sofya Kleyn

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Sofya A. Kleyn's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sofya Kleyn practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Modern MedicalAvailable with a free account
+5 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Sofya A. Kleyn is one of 404 geriatric medicine (internal medicine) physicians in New York

Geriatric medicine is Sofya Kleyn's primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Sofya Kleyn is licensed in New York.

Specialties and state licenses

  • Geriatric medicine (internal medicine), New YorkPrimaryLicense 243074 · taxonomy 207RG0300X

Geriatric medicine (internal medicine) physicians near Sofya Kleyn

Counts of geriatric medicine (internal medicine) physicians 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

Sofya A. Kleyn billed Medicare for 722 services in 2024

CMS data shows 722 Medicare services from Sofya Kleyn across 11 procedure codes in 2024, for 149 Medicare patients. Medicare paid $57,159 for them. Every service was in an office.

Medicare services, 2024722
Medicare patients149
Paid by Medicare$57,159
Procedure codes11

Sofya Kleyn's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5862024: 6155%
Lab and pathology
2023: 302024: 5893%
Tests and treatments
2023: 222024: 2618%
Surgery
2023: 222024: 235%

Sofya Kleyn compared with the New York median for geriatric medicine (internal medicine) physicians, 2024

  • Sofya Kleyn
  • New York median
Medicare services
722vs 42869% above
Medicare patients
149vs 152Close to median
Part D claims
211vs 90677% below

Medians across 410 geriatric medicine (internal medicine) physicians in New York with Dmand AI profiles that report each measure.

Sofya Kleyn'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.

See all procedures by Sofya Kleyn

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Sofya A. Kleyn treated 149 Medicare patients in 2024, average age 83

CMS counts 149 Medicare patients who saw Sofya Kleyn in 2024. The largest group is 85 and over, with 65 patients. 75% of them have arthritis, and 75% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.76, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Sofya Kleyn's median patient age at 56, with 74% women.

Medicare patients, 2024149
Average age83
Average risk score1.76
Also on Medicaid29%

Sofya Kleyn's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Sofya Kleyn's Medicare patients by sex, 2024

  • Women11879%
  • Men3121%

Chronic conditions among Sofya Kleyn's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes66%
  5. Mood disorders55%
  6. Depression50%
  7. Ischemic heart disease49%
  8. Alzheimer's and dementia48%

Share of Medicare patients with each condition. A patient can have several.

Sofya Kleyn's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women74%
  • Men24%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Sofya A. Kleyn wrote 476 Medicare Part D claims in 2024

In 2024, Sofya Kleyn wrote 476 Medicare Part D claims for 70 patients. 94% of them were for generic drugs. CMS names the drug for 211 of them, across 13 drugs with 11 or more claims each, at $4,765 in total drug cost. In 2023, CMS named 234 claims across 12 drugs.

Part D claims, 2024476
Drugs named by CMS13
Total drug cost$4,765
Part D patients70

Sofya Kleyn's Part D claims by kind of drug, 2024

  • Generic448 claims94%
  • Brand-name and other28 claims6%

Sofya Kleyn'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 Sofya Kleyn's Part D claims, 2024

  • Antibiotics12%55 of 476 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: 2342024: 21110%

Drugs named by CMS: 13 in 2024, 12 in 2023.

See all prescribing by Sofya Kleyn

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

How Sofya A. Kleyn takes part in Medicare

Sofya Kleyn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

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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Sofya A. Kleyn received $1,827 in industry payments from 2016 to 2025

CMS Open Payments shows 72 general payments to Sofya Kleyn from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. ViiV Healthcare Company paid the most, $401.

General payments to Sofya Kleyn by program year, 2016 to 2025

General payments to Sofya Kleyn by kind, 2016 to 2025

$1.8Kin total
  • Food and beverage$1,79998%
  • Education$292%

Companies that paid Sofya Kleyn the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Sofya Kleyn

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sofya A. Kleyn graduated from Azerbaijan State Medical Institute

Sofya Kleyn graduated from Azerbaijan State Medical Institute in 1992.

  1. Medical schoolAzerbaijan State Medical Institute

Source: Dmand AI Professional Profile Data

Sources for Sofya A. Kleyn's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Sofya A. Kleyn

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Sofya A. Kleyn's NPI number?

Sofya A. Kleyn's NPI number is 1972628865. It was assigned on March 20, 2007, and it is active in the NPI Registry.

What does Sofya A. Kleyn specialize in?

Sofya A. Kleyn is a geriatric medicine (internal medicine) physician in New York, New York. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).

Where does Sofya A. Kleyn practice?

Sofya Kleyn practices at 225 Broadway, New York, NY 10007-3001. Sofya Kleyn's primary practice is Modern Medical in New York, New York. Dmand AI also links Sofya Kleyn to 4 group practices and clinics, 3 medical groups and 1 home health agency.

What is Sofya A. Kleyn's office phone number?

The practice phone on file for Sofya Kleyn is (212) 571-5000.

What is Sofya A. Kleyn's medical license number?

Sofya Kleyn holds New York license 243074.

What medical group is Sofya A. Kleyn part of?

Sofya Kleyn is linked to Modern Medical PC. Dmand AI links Sofya Kleyn to 3 more medical groups.

Does Sofya A. Kleyn accept Medicare?

Yes. CMS data shows Sofya Kleyn billed Medicare for 722 services in 2024, and Sofya Kleyn accepts Medicare assignment.

How many Medicare patients does Sofya A. Kleyn see?

CMS counts 149 Medicare patients who saw Sofya Kleyn in 2024, with an average age of 83.

What services does Sofya A. Kleyn bill to Medicare?

In 2024, Sofya Kleyn's most billed Medicare services were home visit (99349), home visit (99348) and home visit (99347).

Where did Sofya A. Kleyn go to medical school?

Sofya Kleyn graduated from Azerbaijan State Medical Institute in 1992.

Show 3 more questionsShow fewer questions

What drugs does Sofya A. Kleyn prescribe most?

In 2024 Medicare Part D data, Sofya Kleyn's most prescribed drugs by claims were Ciprofloxacin HCl, Losartan Potassium and Atorvastatin Calcium.

Has Sofya A. Kleyn received payments from drug or device companies?

CMS Open Payments shows $1,827 in general payments to Sofya Kleyn from 20 companies from 2016 to 2025. The largest total came from ViiV Healthcare Company.

How long has Sofya A. Kleyn been practicing?

Sofya Kleyn graduated from medical school in 1992, 34 years ago.

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