Dr. Harry Zemon, MD
- Medicare services, 2024
- 494
- Medicare patients, 2024
- 253
- Part D claims, 2024
- 78
- Hospital affiliations
- 2
- Industry payments
- $20,416
- Practice address
- 800 Westchester Ave, Rye Brook, NY 10573
- Practice phone
- Call (908) 988-0428
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Westmed Medical Group
Multi-specialty group site · Rye Brook, New York
Find Dr. Zemon'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. Harry Zemon is a general surgeon in Rye Brook, New York
Dr. Zemon practices at Westmed Medical Group in Rye Brook, New York.
Dr. Zemon's NPI, 1962448506, was assigned on June 21, 2006. Dr. Zemon graduated from George Washington University School of Medicine in 1998. Dr. Zemon holds New York license 241177.
- NPI
- 1962448506NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951338037
- NPI enumeration date
- June 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (908) 988-0428
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Harry Zemon practices at Westmed Medical Group in Rye Brook, New York
Dr. Zemon's primary practice is Westmed Medical Group, at 800 Westchester Ave, Rye Brook, NY 10573. The practice phone is (908) 988-0428.
- Westmed Medical Group800 Westchester Ave, Rye Brook, NY 10573Phone(908) 988-0428
Source: Dmand AI Affiliation Data
Dr. Harry Zemon is affiliated with 3 sites of care and 2 medical groups
Dr. Zemon's primary practice is Westmed Medical Group in Rye Brook, New York. Dr. Zemon is also affiliated with White Plains Hospital. The medical group on file is Westmed Medical Group. Dmand AI also links Dr. Zemon to 1 more hospital and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Harry Zemon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zemon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westmed Medical Group | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Harry Zemon is one of 1,604 general surgeons in New York
Surgery is Dr. Zemon's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Zemon's licenses on file in 2 states: New York and Maryland.
Specialties and state licenses
- Surgery, New YorkPrimary
- Maryland license
General surgeons near Dr. Zemon
Counts of general 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. Harry Zemon billed Medicare for 494 services in 2024
CMS data shows 494 Medicare services from Dr. Zemon across 8 procedure codes in 2024, for 253 Medicare patients. Medicare paid $63,559 for them.
Dr. Zemon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3622024: 46428%
- Surgery
- 2023: 432024: 3030%
Where Dr. Zemon's Medicare services took place, 2024
- In an office19339%
- In a facility30161%
Dr. Zemon compared with the New York median for general surgeons, 2024
- Dr. Zemon
- New York median
- Medicare services
- 494vs 1543.2 times
- Medicare patients
- 253vs 1092.3 times
- Part D claims
- 52vs 242.2 times
Medians across 1,502 general surgeons in New York with Dmand AI profiles that report each measure.
Dr. Zemon'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zemon and other general surgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Harry Zemon treated 253 Medicare patients in 2024, average age 76
CMS counts 253 Medicare patients who saw Dr. Zemon in 2024. The largest group is 75 to 84, with 100 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zemon's median patient age at 66, with 49% women.
Dr. Zemon's Medicare patients by age, 2024
Dr. Zemon's Medicare patients by sex, 2024
- Women13855%
- Men11545%
Chronic conditions among Dr. Zemon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Chronic kidney disease32%
- Ischemic heart disease32%
- Cancer31%
- Anxiety30%
- Mood disorders29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zemon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women49%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Harry Zemon wrote 78 Medicare Part D claims in 2024
In 2024, Dr. Zemon wrote 78 Medicare Part D claims for 65 patients. 99% of them were for generic drugs. CMS names the drug for 52 of them, across 1 drug with 11 or more claims each, at $144 in total drug cost. In 2023, CMS named 43 claims across 1 drug.
Dr. Zemon's Part D claims by kind of drug, 2024
- Generic77 claims99%
- Brand-name and other1 claims1%
Dr. Zemon'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. Zemon's Part D claims, 2024
- Opioids72%56 of 78 claims
- Antibiotics19%15 of 78 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: 432024: 5221%
Drugs named by CMS: 1 in 2024, 1 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. Harry Zemon ranks in the 90th percentile for hernia repair (minimally invasive) in Medicare
Dr. Zemon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zemon as offering telehealth. CMS counts 22 procedures of hernia repair (minimally invasive) by Dr. Zemon, more than 90% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Zemon ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 90th percentile22 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 42nd percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 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. Harry Zemon received $20,416 in industry payments from 2016 to 2025
CMS Open Payments shows 138 general payments to Dr. Zemon from 7 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 52% of the total. Intuitive Surgical, Inc. paid the most, $12,907.
General payments to Dr. Zemon by program year, 2016 to 2025
General payments to Dr. Zemon by kind, 2016 to 2025
- Travel and lodging$10,64252%
- Education$4,00820%
- Food and beverage$3,06915%
- Consulting fees$2,48512%
- Gifts$2121%
Companies that paid Dr. Zemon the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Harry Zemon graduated from George Washington University School of Medicine
Dr. Zemon graduated from George Washington University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Harry Zemon'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 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)Doctors and Clinicians Utilization Data (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. Harry Zemon
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. Harry Zemon's NPI number?
Dr. Harry Zemon's NPI number is 1962448506. It was assigned on June 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Harry Zemon?
Dr. Harry Zemon is a general surgeon in Rye Brook, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Harry Zemon practice?
Dr. Zemon practices at 800 Westchester Ave, Rye Brook, NY 10573. Dr. Zemon's primary practice is Westmed Medical Group in Rye Brook, New York. Dmand AI also links Dr. Zemon to 1 hospital and 1 medical group.
What is Dr. Harry Zemon's office phone number?
The practice phone on file for Dr. Zemon is (908) 988-0428.
What is Dr. Harry Zemon's medical license number?
Dr. Zemon holds New York license 241177, one of the licenses on file in 2 states.
Which states has Dr. Harry Zemon been licensed in?
Dmand AI has state licenses on file for Dr. Zemon in New York and Maryland.
Which hospitals is Dr. Harry Zemon affiliated with?
Dr. Zemon is affiliated with White Plains Hospital. Dmand AI links Dr. Zemon to 1 more hospital.
What medical group is Dr. Harry Zemon part of?
Dr. Zemon is linked to Westmed Medical Group. Dmand AI links Dr. Zemon to 1 more medical group.
Does Dr. Harry Zemon accept Medicare?
Yes. CMS data shows Dr. Zemon billed Medicare for 494 services in 2024, and Dr. Zemon accepts Medicare assignment.
Does Dr. Harry Zemon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zemon as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Harry Zemon see?
CMS counts 253 Medicare patients who saw Dr. Zemon in 2024, with an average age of 76.
What services does Dr. Harry Zemon bill to Medicare?
In 2024, Dr. Zemon's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and office visit, new patient (99204).
Where did Dr. Harry Zemon go to medical school?
Dr. Zemon graduated from George Washington University School of Medicine in 1998.
What drugs does Dr. Harry Zemon prescribe most?
In 2024 Medicare Part D data, Dr. Zemon's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. Harry Zemon received payments from drug or device companies?
CMS Open Payments shows $20,416 in general payments to Dr. Zemon from 7 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Harry Zemon been practicing?
Dr. Zemon graduated from medical school in 1998, 28 years ago.
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