BicarbonatesBlack or African AmericanBone Density
Dr. Jean Herold Ancion, MD
NPI1265609127PAC ID0042378465
- Medicare services, 2024
- 968
- Medicare patients, 2024
- 314
- Part D claims, 2024
- 529
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- One Healthy Way, Oceanside, NY 11572
- Practice phone
- Call (516) 632-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ancion's professional email, personal email and mobile number
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Dr. Jean Herold Ancion is an internist in Oceanside, New York
Dr. Ancion practices at Mount Sinai South Nassau in Oceanside, New York, part of Mount Sinai Health System.
Dr. Ancion's NPI, 1265609127, was assigned on May 9, 2008. Dr. Ancion graduated from Ross University School of Medicine in 2004. Dr. Ancion holds New York license 245310.
NPI and contact details
- NPI
- 1265609127NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042378465
- NPI enumeration date
- May 9, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 632-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jean Herold Ancion practices at 2 locations in Oceanside, New York
Dr. Ancion's primary practice is Mount Sinai South Nassau, at One Healthy Way, Oceanside, NY 11572 in Nassau County. The practice phone is (516) 632-3000. Dr. Ancion also practices at South Nassau Communities Hospital, 1 Healthy Way, Oceanside, NY 11572.
- Mount Sinai South NassauPrimaryOne Healthy Way, Oceanside, NY 11572 · Nassau CountyPhone(516) 632-3000
- South Nassau Communities Hospital1 Healthy Way, Oceanside, NY 11572 · Nassau CountyPhone(516) 632-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Jean Herold Ancion is affiliated with 5 sites of care and 8 medical groups
Dr. Ancion's primary practice is Mount Sinai South Nassau in Oceanside, New York, part of Mount Sinai Health System. Dr. Ancion is also affiliated with Cayuga Medical Center. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Ancion to 2 more hospitals, 7 medical groups and 1 home health agency, each named with a free account.
Cayuga Medical CenterNorthwell Health Physician Partners Cardiology at Great Neck2 hospitalsNames with a free account7 medical groupsNames with a free account1 home health agencyName with a free account
See all 13 affiliations for Dr. AncionSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jean Herold Ancion's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ancion practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Sinai South Nassau | Available with a free account |
| +4 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jean Herold Ancion is one of 9,643 internists in New York
Internal medicine is Dr. Ancion's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ancion is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Ancion
Counts of internists 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. Jean Herold Ancion billed Medicare for 968 services in 2024
CMS data shows 968 Medicare services from Dr. Ancion across 6 procedure codes in 2024, for 314 Medicare patients. Medicare paid $82,420 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024968
Medicare patients314
Paid by Medicare$82,420
Procedure codes6
Dr. Ancion's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4312024: 968125%
Dr. Ancion compared with the New York median for internists, 2024
- Dr. Ancion
- New York median
- Medicare services
- 968vs 4262.3 times
- Medicare patients
- 314vs 15899% above
- Part D claims
- 293vs 62253% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Ancion'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. Ancion?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ancion and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jean Herold Ancion treated 314 Medicare patients in 2024, average age 79
CMS counts 314 Medicare patients who saw Dr. Ancion in 2024. The largest group is 75 to 84, with 117 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.26, 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. Ancion's median patient age at 69, with 51% women.
Medicare patients, 2024314
Average age79
Average risk score2.26
Also on Medicaid32%
Dr. Ancion's Medicare patients by age, 2024
Dr. Ancion's Medicare patients by sex, 2024
- Women17154%
- Men14346%
Chronic conditions among Dr. Ancion's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease58%
- Diabetes52%
- Mood disorders46%
- Chronic kidney disease45%
- Heart failure44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ancion's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jean Herold Ancion wrote 529 Medicare Part D claims in 2024
In 2024, Dr. Ancion wrote 529 Medicare Part D claims for 119 patients. 86% of them were for generic drugs. CMS names the drug for 293 of them, across 17 drugs with 11 or more claims each, at $2,636 in total drug cost. In 2023, CMS named 330 claims across 16 drugs.
Part D claims, 2024529
Drugs named by CMS17
Total drug cost$2,636
Part D patients119
Dr. Ancion's Part D claims by kind of drug, 2024
- Generic455 claims86%
- Brand-name74 claims14%
Dr. Ancion'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. Ancion's Part D claims, 2024
- Antibiotics7%38 of 529 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: 3302024: 29311%
Drugs named by CMS: 17 in 2024, 16 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
How Dr. Jean Herold Ancion takes part in Medicare
Dr. Ancion 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. Jean Herold Ancion has 1 publication on record
Dmand AI links 1 paper to Dr. Ancion in 2025. Dr. Ancion's most frequent co-authors are Barry Ira Freedman, MD and Kishan Rao, MD.
Papers1
Dr. Ancion's most frequent co-authors
- Barry Ira Freedman, MD1 shared paper
- Kishan Rao, MD1 shared paper
Recent publications by Dr. Ancion
See who Dr. Ancion researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ancion works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jean Herold Ancion received $918 in industry payments from 2016 to 2024
CMS Open Payments shows 56 general payments to Dr. Ancion from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $297.
General payments to Dr. Ancion by program year, 2016 to 2024
Companies that paid Dr. Ancion 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. Jean Herold Ancion graduated from Ross University School of Medicine
Dr. Ancion graduated from Ross University School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jean Herold Ancion'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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) |
| 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. Jean Herold Ancion
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. Jean Herold Ancion's NPI number?
Dr. Jean Herold Ancion's NPI number is 1265609127. It was assigned on May 9, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Jean Herold Ancion?
Dr. Jean Herold Ancion is an internist in Oceanside, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jean Herold Ancion practice?
Dr. Ancion practices at One Healthy Way, Oceanside, NY 11572. Dr. Ancion also practices at 1 Healthy Way, Oceanside, NY 11572. Dr. Ancion's primary practice is Mount Sinai South Nassau in Oceanside, New York, part of Mount Sinai Health System. Dmand AI also links Dr. Ancion to 2 hospitals, 7 medical groups and 1 home health agency.
What is Dr. Jean Herold Ancion's office phone number?
The practice phone on file for Dr. Ancion is (516) 632-3000.
What is Dr. Jean Herold Ancion's medical license number?
Dr. Ancion holds New York license 245310.
Which hospitals is Dr. Jean Herold Ancion affiliated with?
Dr. Ancion practices at Mount Sinai South Nassau in Oceanside, New York. Dr. Ancion is also affiliated with Cayuga Medical Center. Dmand AI links Dr. Ancion to 2 more hospitals.
What medical group is Dr. Jean Herold Ancion part of?
Dr. Ancion is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Ancion to 7 more medical groups.
Does Dr. Jean Herold Ancion accept Medicare?
Yes. CMS data shows Dr. Ancion billed Medicare for 968 services in 2024, and Dr. Ancion accepts Medicare assignment.
How many Medicare patients does Dr. Jean Herold Ancion see?
CMS counts 314 Medicare patients who saw Dr. Ancion in 2024, with an average age of 79.
What services does Dr. Jean Herold Ancion bill to Medicare?
In 2024, Dr. Ancion's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
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Where did Dr. Jean Herold Ancion go to medical school?
Dr. Ancion graduated from Ross University School of Medicine in 2004.
What drugs does Dr. Jean Herold Ancion prescribe most?
In 2024 Medicare Part D data, Dr. Ancion's most prescribed drugs by claims were Levothyroxine Sodium, Amlodipine Besylate and Atorvastatin Calcium.
Has Dr. Jean Herold Ancion received payments from drug or device companies?
CMS Open Payments shows $918 in general payments to Dr. Ancion from 8 companies from 2016 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Jean Herold Ancion been practicing?
Dr. Ancion graduated from medical school in 2004, 22 years ago.
Does Dr. Jean Herold Ancion do research?
Dmand AI links 1 publication to Dr. Ancion.
Who does Dr. Jean Herold Ancion publish with?
Dr. Ancion's most frequent co-authors are Barry Ira Freedman, MD (1 shared paper) and Kishan Rao, MD (1 shared paper).
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