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Colonic DiseasesEndometriosisInfertility, Female
Dr. Paul Amoy Hartendorp, MD
NPI1285734673PAC ID0446432116
- Medicare services, 2024
- 162
- Medicare patients, 2024
- 72
- Part D claims, 2024
- 144
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 711 Stewart Ave, Garden City, NY 11530
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endoscopy Center of Long Island, LLC - HOPD
Acute Care Hospital outpatient department · Garden City, New York
Find Dr. Hartendorp's professional email, personal email and mobile number
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Dr. Paul Amoy Hartendorp is a colorectal surgeon in Garden City, New York
Dr. Hartendorp practices at Endoscopy Center of Long Island, LLC - HOPD in Garden City, New York.
Dr. Hartendorp's NPI, 1285734673, was assigned on September 25, 2006. Dr. Hartendorp graduated from University of the Philippines College of Medicine in 1979. Dr. Hartendorp's New York license number on file is 164960.
NPI and contact details
- NPI
- 1285734673NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446432116
- NPI enumeration date
- September 25, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Paul Amoy Hartendorp practices at Endoscopy Center of Long Island, LLC - HOPD in Garden City, New York
Dr. Hartendorp's primary practice is Endoscopy Center of Long Island, LLC - HOPD, at 711 Stewart Ave, Garden City, NY 11530.
- Endoscopy Center of Long Island, LLC - HOPD711 Stewart Ave, Garden City, NY 11530
Source: Dmand AI Affiliation Data
Dr. Paul Amoy Hartendorp is affiliated with 3 sites of care
Dr. Hartendorp's primary practice is Endoscopy Center of Long Island, LLC - HOPD in Garden City, New York. Dr. Hartendorp is also affiliated with Tisch Hospital. Dmand AI also links Dr. Hartendorp to 1 more ambulatory surgery center, named with a free account.
Endoscopy Center of Long Island, LLC - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Paul Amoy Hartendorp's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hartendorp practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endoscopy Center of Long Island, LLC - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Paul Amoy Hartendorp is one of 179 colorectal surgeons in New York
Colon and rectal surgery is Dr. Hartendorp's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Hartendorp is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Hartendorp's licenses on file in 2 states: New York and California.
Specialties and state licenses
- Colon and rectal surgery, New YorkPrimary
- California license
Clinical focus
Dmand AI lists colonoscopy and hemorrhoids among the conditions Dr. Hartendorp treats.
Colorectal surgeons near Dr. Hartendorp
Counts of colorectal 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. Paul Amoy Hartendorp billed Medicare for 162 services in 2024
CMS data shows 162 Medicare services from Dr. Hartendorp across 5 procedure codes in 2024, for 72 Medicare patients. Medicare paid $23,650 for them.
Medicare services, 2024162
Medicare patients72
Paid by Medicare$23,650
Procedure codes5
Dr. Hartendorp's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1672024: 10935%
- Surgery
- 2023: 762024: 5330%
Where Dr. Hartendorp's Medicare services took place, 2024
- In an office13885%
- In a facility2415%
Dr. Hartendorp compared with the New York median for colorectal surgeons, 2024
- Dr. Hartendorp
- New York median
- Medicare services
- 162vs 22227% below
- Medicare patients
- 72vs 13346% below
- Part D claims
- 48vs 3826% above
Medians across 172 colorectal surgeons in New York with Dmand AI profiles that report each measure.
Dr. Hartendorp'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. Hartendorp?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hartendorp and other colorectal surgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Paul Amoy Hartendorp treated 72 Medicare patients in 2024, average age 77
CMS counts 72 Medicare patients who saw Dr. Hartendorp in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hartendorp's median patient age at 76, with 60% women.
Medicare patients, 202472
Average age77
Average risk score1.10
Dr. Hartendorp's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hartendorp's Medicare patients by sex, 2024
- Women3751%
- Men3549%
Chronic conditions among Dr. Hartendorp's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Cancer33%
- Ischemic heart disease33%
- Diabetes28%
- Atrial fibrillation21%
- COPD18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hartendorp's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women60%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Paul Amoy Hartendorp wrote 144 Medicare Part D claims in 2024
In 2024, Dr. Hartendorp wrote 144 Medicare Part D claims for 52 patients. 81% of them were for generic drugs. CMS names the drug for 48 of them, across 3 drugs with 11 or more claims each, at $9,260 in total drug cost. In 2023, CMS named 37 claims across 1 drug.
Part D claims, 2024144
Drugs named by CMS3
Total drug cost$9,260
Part D patients52
Dr. Hartendorp's Part D claims by kind of drug, 2024
- Generic117 claims81%
- Brand-name27 claims19%
Dr. Hartendorp'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. Hartendorp's Part D claims, 2024
- Antibiotics12%17 of 144 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: 372024: 4830%
Drugs named by CMS: 3 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. Paul Amoy Hartendorp ranks in the 45th percentile for colonoscopy in Medicare
CMS counts 16 procedures of colonoscopy by Dr. Hartendorp, more than 45% of the clinicians it reports for that procedure.
Where Dr. Hartendorp ranks in Medicare procedure volume
- Colonoscopy
- 45th percentile16 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Source: Doctors and Clinicians Utilization Data (CMS)
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Dr. Paul Amoy Hartendorp has 1 publication on record
Dmand AI links 1 paper to Dr. Hartendorp. Dr. Hartendorp's most frequent co-author is Michael T. Ott, MD.
Papers1
Dr. Hartendorp's most frequent co-authors
Recent publications by Dr. Hartendorp
See who Dr. Hartendorp researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hartendorp works with, so you can find a warm path to the right colorectal surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Paul Amoy Hartendorp received $2,198 in industry payments from 2016 to 2024
CMS Open Payments shows 31 general payments to Dr. Hartendorp from 13 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 70% of the total. KCI USA, Inc. paid the most, $858.
General payments to Dr. Hartendorp by program year, 2016 to 2024
General payments to Dr. Hartendorp by kind, 2016 to 2024
$2.2Kin total
- Food and beverage$1,54870%
- Consulting fees$65030%
Companies that paid Dr. Hartendorp the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Paul Amoy Hartendorp has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Hartendorp, most recently Wholeness of Life Award in 2016.
Awards and honors for Dr. Hartendorp
- 2016
- Wholeness of Life Award
- Undated
- ACS Fellow
- Fellow
Source: Dmand AI Professional Profile Data
Dr. Paul Amoy Hartendorp graduated from University of the Philippines College of Medicine
Dr. Hartendorp graduated from University of the Philippines College of Medicine in 1979. Dr. Hartendorp is a member of ACS, AMA and ASCRS.
- Medical school
- Board certified in colon & rectal surgery
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Paul Amoy Hartendorp accepts plans from 1 insurance carrier
Dr. Hartendorp is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Paul Amoy Hartendorp'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 Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Paul Amoy Hartendorp
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. Paul Amoy Hartendorp's NPI number?
Dr. Paul Amoy Hartendorp's NPI number is 1285734673. It was assigned on September 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Paul Amoy Hartendorp?
Dr. Paul Amoy Hartendorp is a colorectal surgeon in Garden City, New York. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. Paul Amoy Hartendorp practice?
Dr. Hartendorp practices at 711 Stewart Ave, Garden City, NY 11530. Dr. Hartendorp's primary practice is Endoscopy Center of Long Island, LLC - HOPD in Garden City, New York. Dmand AI also links Dr. Hartendorp to 1 ambulatory surgery center.
What is Dr. Paul Amoy Hartendorp's medical license number?
Dr. Hartendorp's New York license number on file is 164960, one of the licenses on file in 2 states.
Which states has Dr. Paul Amoy Hartendorp been licensed in?
Dmand AI has state licenses on file for Dr. Hartendorp in New York (1985 to 2025) and California (since 1982).
Which hospitals is Dr. Paul Amoy Hartendorp affiliated with?
Dr. Hartendorp is affiliated with Tisch Hospital.
Does Dr. Paul Amoy Hartendorp accept Medicare?
Yes. CMS data shows Dr. Hartendorp billed Medicare for 162 services in 2024.
How many Medicare patients does Dr. Paul Amoy Hartendorp see?
CMS counts 72 Medicare patients who saw Dr. Hartendorp in 2024, with an average age of 77.
Is Dr. Paul Amoy Hartendorp board certified?
Yes. Dr. Hartendorp is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.
What services does Dr. Paul Amoy Hartendorp bill to Medicare?
In 2024, Dr. Hartendorp's most billed Medicare services were office visit, established patient (99215), surgery: digestive system (45300) and office visit, new patient (99205).
Show 7 more questionsShow fewer questions
Where did Dr. Paul Amoy Hartendorp go to medical school?
Dr. Hartendorp graduated from University of the Philippines College of Medicine in 1979.
What drugs does Dr. Paul Amoy Hartendorp prescribe most?
In 2024 Medicare Part D data, Dr. Hartendorp's most prescribed drugs by claims were Mesalamine, Clenpiq and Mesalamine ER.
Has Dr. Paul Amoy Hartendorp received payments from drug or device companies?
CMS Open Payments shows $2,198 in general payments to Dr. Hartendorp from 13 companies from 2016 to 2024. The largest total came from KCI USA, Inc.
How long has Dr. Paul Amoy Hartendorp been practicing?
Dr. Hartendorp graduated from medical school in 1979, 47 years ago.
Does Dr. Paul Amoy Hartendorp do research?
Dmand AI links 1 publication to Dr. Hartendorp.
Who does Dr. Paul Amoy Hartendorp publish with?
Dr. Hartendorp's most frequent co-authors are Michael T. Ott, MD (1 shared paper).
What insurance does Dr. Paul Amoy Hartendorp accept?
Dr. Hartendorp is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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