Dr. Karen M. Simon, MD
- Medicare services, 2024
- 630
- Medicare patients, 2024
- 193
- Part D claims, 2024
- 119
- Hospital affiliations
- 1
- Industry payments
- $43
- Practice address
- 506 Malcolm X Blvd, New York, NY 10037
- Practice phone
- Call (212) 939-2027
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
NYC Health and Hospitals/Harlem
New York, New York
Find Dr. Simon'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. Karen M. Simon is a hematologist and oncologist in New York, New York
Dr. Simon practices at NYC Health and Hospitals/Harlem in New York, New York.
Dr. Simon's NPI, 1124138557, was assigned on August 30, 2006. Dr. Simon holds New York license 162539.
- NPI
- 1124138557NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173629573
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 939-2027
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen M. Simon practices at NYC Health and Hospitals/Harlem in New York, New York
Dr. Simon's primary practice is NYC Health and Hospitals/Harlem, at 506 Malcolm X Blvd, New York, NY 10037 in New York County. The practice phone is (212) 939-2027.
- NYC Health and Hospitals/Harlem506 Malcolm X Blvd, New York, NY 10037 · New York CountyPhone(212) 939-2027
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Karen M. Simon is affiliated with 5 sites of care and 3 medical groups
Dr. Simon's primary practice is NYC Health and Hospitals/Harlem in New York, New York. Dr. Simon is also affiliated with NYC Health + Hospitals/Harlem. The medical group on file is Physician Affiliate Group of New York (PAGNY). Dmand AI also links Dr. Simon to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Karen M. Simon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simon practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYC Health and Hospitals/Harlem | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen M. Simon is one of 996 hematologists and oncologists in New York
Hematology and oncology is Dr. Simon's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Simon is board certified in internal medicine by the American Board of Internal Medicine. Dr. Simon is licensed in New York.
Specialties and state licenses
- Hematology and oncology, New YorkPrimary
Hematologists and oncologists near Dr. Simon
Counts of hematologists and oncologists 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. Karen M. Simon billed Medicare for 630 services in 2024
CMS data shows 630 Medicare services from Dr. Simon across 6 procedure codes in 2024, for 193 Medicare patients. Medicare paid $49,945 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Simon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4362024: 63044%
Dr. Simon compared with the New York median for hematologists and oncologists, 2024
- Dr. Simon
- New York median
- Medicare services
- 630vs 6686% below
- Medicare patients
- 193vs 2108% below
- Part D claims
- 11vs 25896% below
Medians across 940 hematologists and oncologists in New York with Dmand AI profiles that report each measure.
Dr. Simon'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen M. Simon treated 193 Medicare patients in 2024, average age 74
CMS counts 193 Medicare patients who saw Dr. Simon in 2024. The largest group is 75 to 84, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 78% 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. Simon's median patient age at 72, with 49% women.
Dr. Simon's Medicare patients by age, 2024
Dr. Simon's Medicare patients by sex, 2024
- Women10454%
- Men8946%
Chronic conditions among Dr. Simon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes63%
- Arthritis54%
- Chronic kidney disease54%
- Heart failure51%
- Alzheimer's and dementia46%
- Ischemic heart disease46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen M. Simon wrote 119 Medicare Part D claims in 2024
In 2024, Dr. Simon wrote 119 Medicare Part D claims for 47 patients. 81% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $47 in total drug cost. In 2022, CMS named 32 claims across 2 drugs.
Dr. Simon's Part D claims by kind of drug, 2024
- Generic96 claims81%
- Brand-name and other23 claims19%
Dr. Simon'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.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 322024: 1166%
Drugs named by CMS: 1 in 2024, 2 in 2022.
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 Dr. Karen M. Simon takes part in Medicare
Dr. Simon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Karen M. Simon received $43 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Simon from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $43.
Companies that paid Dr. Simon the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen M. Simon is board certified in internal medicine
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen M. Simon'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Karen M. Simon
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. Karen M. Simon's NPI number?
Dr. Karen M. Simon's NPI number is 1124138557. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen M. Simon?
Dr. Karen M. Simon is a hematologist and oncologist in New York, New York. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Karen M. Simon practice?
Dr. Simon practices at 506 Malcolm X Blvd, New York, NY 10037. Dr. Simon's primary practice is NYC Health and Hospitals/Harlem in New York, New York. Dmand AI also links Dr. Simon to 3 group practices and clinics and 2 medical groups.
What is Dr. Karen M. Simon's office phone number?
The practice phone on file for Dr. Simon is (212) 939-2027.
What is Dr. Karen M. Simon's medical license number?
Dr. Simon holds New York license 162539.
Which hospitals is Dr. Karen M. Simon affiliated with?
Dr. Simon is affiliated with NYC Health + Hospitals/Harlem.
What medical group is Dr. Karen M. Simon part of?
Dr. Simon is linked to Physician Affiliate Group of New York (PAGNY). Dmand AI links Dr. Simon to 2 more medical groups.
Does Dr. Karen M. Simon accept Medicare?
Yes. CMS data shows Dr. Simon billed Medicare for 630 services in 2024, and Dr. Simon accepts Medicare assignment.
How many Medicare patients does Dr. Karen M. Simon see?
CMS counts 193 Medicare patients who saw Dr. Simon in 2024, with an average age of 74.
Is Dr. Karen M. Simon board certified?
Yes. Dr. Simon is board certified in internal medicine by the American Board of Internal Medicine.
Show 4 more questionsShow fewer questions
What services does Dr. Karen M. Simon bill to Medicare?
In 2024, Dr. Simon's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99222).
What drugs does Dr. Karen M. Simon prescribe most?
In 2024 Medicare Part D data, Dr. Simon's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Karen M. Simon received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Dr. Simon from 1 company from 2016 to 2016. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Karen M. Simon been practicing?
Dr. Simon graduated from medical school in 1982, 44 years ago.
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