Dr. Harley J. Cohen, MD

  • Greenlawn, NY
  • Rheumatologist
NPI1669535845PAC ID6507843067
Medicare services, 2024
21,710
Medicare patients, 2024
642
Part D claims, 2024
2,930
Hospital affiliations
1
Industry payments
$3,332
Practice address
5 Cuba Hill Road, Greenlawn, NY 11740
Practice phone
Call (631) 628-5000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Mount Sinai Doctors-Greenlawn

Mammography / Breast Imaging Center · Greenlawn, New York

See all 4 affiliations

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Dr. Harley J. Cohen is a rheumatologist in Greenlawn, New York

Dr. Cohen practices at Mount Sinai Doctors-Greenlawn in Greenlawn, New York.

Dr. Cohen's NPI, 1669535845, was assigned on December 18, 2006. Dr. Cohen graduated from Jefferson Medical College of Thomas Jefferson University in 1999. Dr. Cohen holds New York license 250201-1.

NPI and contact details
Medicare PAC ID
6507843067
NPI enumeration date
December 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(631) 628-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
53
Medical school graduation
1999

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

Dr. Harley J. Cohen practices at Mount Sinai Doctors-Greenlawn in Greenlawn, New York

Dr. Cohen's primary practice is Mount Sinai Doctors-Greenlawn, at 5 Cuba Hill Road, Greenlawn, NY 11740. The practice phone is (631) 628-5000.

  • Mount Sinai Doctors-Greenlawn
    5 Cuba Hill Road, Greenlawn, NY 11740Phone(631) 628-5000

Source: Dmand AI Affiliation Data

Dr. Harley J. Cohen is affiliated with 3 sites of care and 1 medical group

Dr. Cohen's primary practice is Mount Sinai Doctors-Greenlawn in Greenlawn, New York. Dr. Cohen is also affiliated with North Shore University Hospital. The medical group on file is Mount Sinai Doctors Long Island. Dmand AI also links Dr. Cohen to 1 more group practice or clinic, named with a free account. Dr. Cohen's employer is on file too: a breast imaging center.

See all 4 affiliations for Dr. Cohen

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Harley J. Cohen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cohen practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mount Sinai Doctors-GreenlawnAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Harley J. Cohen is one of 514 rheumatologists in New York

Rheumatology is Dr. Cohen's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Cohen is licensed in New York.

Specialties and state licenses

  • Rheumatology, New YorkPrimaryLicense 250201-1 · taxonomy 207RR0500X

Rheumatologists near Dr. Cohen

Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.

514rheumatologists in New York
2rheumatologists in Greenlawn

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Harley J. Cohen billed Medicare for 21,710 services in 2024

CMS data shows 21,710 Medicare services from Dr. Cohen across 29 procedure codes in 2024, for 642 Medicare patients. Medicare paid $631,881 for them. Every service was in an office.

Medicare services, 202421,710
Medicare patients642
Paid by Medicare$631,881
Procedure codes29

Dr. Cohen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 18,0442024: 14,35020%
Lab and pathology
2023: 3,3792024: 3,4352%
Office and hospital visits
2023: 1,4712024: 1,464No change
Other services
2023: 02024: 1,090
Surgery
2023: 8352024: 8202%
Tests and treatments
2023: 6942024: 55121%

Dr. Cohen compared with the New York median for rheumatologists, 2024

  • Dr. Cohen
  • New York median
Medicare services
21,710vs 56538.4 times
Medicare patients
642vs 1763.6 times
Part D claims
2,682vs 9212.9 times

Medians across 509 rheumatologists in New York with Dmand AI profiles that report each measure.

Dr. Cohen'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 Dr. Cohen

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

Dr. Harley J. Cohen treated 642 Medicare patients in 2024, average age 74

CMS counts 642 Medicare patients who saw Dr. Cohen in 2024. The largest group is 65 to 74, with 278 patients. 75% of them have arthritis, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Cohen's median patient age at 64, with 72% women.

Medicare patients, 2024642
Average age74
Average risk score1.31
Also on Medicaid6%

Dr. Cohen's Medicare patients by age, 2024

Dr. Cohen's Medicare patients by sex, 2024

  • Women46673%
  • Men17627%

Chronic conditions among Dr. Cohen's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure72%
  4. Osteoporosis40%
  5. Ischemic heart disease32%
  6. Diabetes25%
  7. Anxiety23%
  8. Mood disorders22%

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

Dr. Cohen's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women72%
  • Men25%

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

Dr. Harley J. Cohen wrote 2,930 Medicare Part D claims in 2024

In 2024, Dr. Cohen wrote 2,930 Medicare Part D claims for 530 patients. 85% of them were for generic drugs. CMS names the drug for 2,682 of them, across 43 drugs with 11 or more claims each, at $1,874,765 in total drug cost. In 2023, CMS named 2,414 claims across 35 drugs.

Part D claims, 20242,930
Drugs named by CMS43
Total drug cost$1.9M
Part D patients530

Dr. Cohen's Part D claims by kind of drug, 2024

  • Generic2,496 claims85%
  • Brand-name and other434 claims15%

Dr. Cohen'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. Cohen's Part D claims, 2024

  • Opioids3%76 of 2,930 claims
  • Antibiotics0%11 of 2,930 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: 2,4142024: 2,68211%

Drugs named by CMS: 43 in 2024, 35 in 2023.

See all prescribing by Dr. Cohen

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. Harley J. Cohen offers telehealth to Medicare patients

Dr. Cohen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Cohen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Harley J. Cohen received $3,332 in industry payments from 2016 to 2025

CMS Open Payments shows 14 general payments to Dr. Cohen from 9 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 60% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $2,085.

General payments to Dr. Cohen by program year, 2016 to 2025

General payments to Dr. Cohen by kind, 2016 to 2025

$3.3Kin total
  • Speaker and faculty fees$2,00060%
  • Consulting fees$60418%
  • Food and beverage$54716%
  • Education$1815%

Companies that paid Dr. Cohen the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Cohen

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

Dr. Harley J. Cohen graduated from Jefferson Medical College of Thomas Jefferson University

Dr. Cohen graduated from Jefferson Medical College of Thomas Jefferson University in 1999.

  1. Medical schoolJefferson Medical College of Thomas Jefferson University

Source: Dmand AI Professional Profile Data

Sources for Dr. Harley J. Cohen'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 DataDmand AI Org Hierarchy 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)
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 Dr. Harley J. Cohen

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. Harley J. Cohen's NPI number?

Dr. Harley J. Cohen's NPI number is 1669535845. It was assigned on December 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Harley J. Cohen?

Dr. Harley J. Cohen is a rheumatologist in Greenlawn, New York. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Harley J. Cohen practice?

Dr. Cohen practices at 5 Cuba Hill Road, Greenlawn, NY 11740. Dr. Cohen's primary practice is Mount Sinai Doctors-Greenlawn in Greenlawn, New York. Dmand AI also links Dr. Cohen to 1 group practice or clinic.

What is Dr. Harley J. Cohen's office phone number?

The practice phone on file for Dr. Cohen is (631) 628-5000.

What is Dr. Harley J. Cohen's medical license number?

Dr. Cohen holds New York license 250201-1.

Which hospitals is Dr. Harley J. Cohen affiliated with?

Dr. Cohen is affiliated with North Shore University Hospital.

What medical group is Dr. Harley J. Cohen part of?

Dr. Cohen is linked to Mount Sinai Doctors Long Island.

Does Dr. Harley J. Cohen accept Medicare?

Yes. CMS data shows Dr. Cohen billed Medicare for 21,710 services in 2024, and Dr. Cohen accepts Medicare assignment.

Does Dr. Harley J. Cohen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Cohen as offering telehealth services.

How many Medicare patients does Dr. Harley J. Cohen see?

CMS counts 642 Medicare patients who saw Dr. Cohen in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

What services does Dr. Harley J. Cohen bill to Medicare?

In 2024, Dr. Cohen's most billed Medicare services were injected or infused drug (J0129), injected or infused drug (J0897) and injected or infused drug (J1745).

Where did Dr. Harley J. Cohen go to medical school?

Dr. Cohen graduated from Jefferson Medical College of Thomas Jefferson University in 1999.

What drugs does Dr. Harley J. Cohen prescribe most?

In 2024 Medicare Part D data, Dr. Cohen's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Methotrexate and Allopurinol.

Has Dr. Harley J. Cohen received payments from drug or device companies?

CMS Open Payments shows $3,332 in general payments to Dr. Cohen from 9 companies from 2016 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.

How long has Dr. Harley J. Cohen been practicing?

Dr. Cohen graduated from medical school in 1999, 27 years ago.

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