Marie Y. Pierrot, PA
- Medicare patients, 2024
- 80
- Part D claims, 2024
- 634
- Industry payments
- $32
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 518 E 20th St, New York, NY 10009
- Practice phone
- Call (212) 604-1800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bislr Medical Groups of Mount Sinai
New York, New York
Find Marie Pierrot'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.
Marie Y. Pierrot is a physician assistant in New York, New York
Marie Pierrot practices at Bislr Medical Groups of Mount Sinai in New York, New York.
Marie Pierrot's NPI, 1457667958, was assigned on August 23, 2010. Marie Pierrot holds New York license 005109.
- NPI
- 1457667958NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486082591
- NPI enumeration date
- August 23, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 604-1800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Marie Y. Pierrot practices at Bislr Medical Groups of Mount Sinai in New York, New York
Marie Pierrot's primary practice is Bislr Medical Groups of Mount Sinai, at 518 E 20th St, New York, NY 10009 in New York County. The practice phone is (212) 604-1800.
- Bislr Medical Groups of Mount Sinai518 E 20th St, New York, NY 10009 · New York CountyPhone(212) 604-1800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Marie Y. Pierrot is affiliated with 3 sites of care and 2 medical groups
Marie Pierrot's primary practice is Bislr Medical Groups of Mount Sinai in New York, New York. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Marie Pierrot to 2 more group practices and clinics and 1 medical group, 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 Marie Y. Pierrot's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marie Pierrot practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bislr Medical Groups of Mount Sinai | 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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Marie Y. Pierrot is one of 11,456 physician assistants in New York
Physician assistant is Marie Pierrot's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Marie Pierrot is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Marie Pierrot
Counts of physician assistants 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
Marie Y. Pierrot treated 80 Medicare patients in 2024, average age 74
CMS counts 80 Medicare patients who saw Marie Pierrot in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Marie Pierrot's median patient age at 38, with 61% women.
Marie Pierrot's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Marie Pierrot's Medicare patients by sex, 2024
- Women5771%
- Men2329%
Chronic conditions among Marie Pierrot's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis45%
- Diabetes35%
- Chronic kidney disease31%
- Ischemic heart disease28%
- Osteoporosis21%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Marie Pierrot's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women61%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marie Y. Pierrot wrote 634 Medicare Part D claims in 2024
In 2024, Marie Pierrot wrote 634 Medicare Part D claims for 170 patients. 87% of them were for generic drugs.
Marie Pierrot's Part D claims by kind of drug, 2024
- Generic550 claims87%
- Brand-name and other84 claims13%
Drug classes CMS tracks in Marie Pierrot's Part D claims, 2024
- Antibiotics2%14 of 634 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Marie Y. Pierrot offers telehealth to Medicare patients
Marie Pierrot accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Marie Pierrot as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Marie Y. Pierrot received $32 in industry payments in 2025
CMS Open Payments shows 1 general payment to Marie Pierrot from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $32.
Companies that paid Marie Pierrot the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Marie Y. Pierrot'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 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 (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) |
| 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 Marie Y. Pierrot
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marie Y. Pierrot's NPI number?
Marie Y. Pierrot's NPI number is 1457667958. It was assigned on August 23, 2010, and it is active in the NPI Registry.
What does Marie Y. Pierrot specialize in?
Marie Y. Pierrot is a physician assistant in New York, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Marie Y. Pierrot practice?
Marie Pierrot practices at 518 E 20th St, New York, NY 10009. Marie Pierrot's primary practice is Bislr Medical Groups of Mount Sinai in New York, New York. Dmand AI also links Marie Pierrot to 2 group practices and clinics and 1 medical group.
What is Marie Y. Pierrot's office phone number?
The practice phone on file for Marie Pierrot is (212) 604-1800.
What is Marie Y. Pierrot's medical license number?
Marie Pierrot holds New York license 005109.
What medical group is Marie Y. Pierrot part of?
Marie Pierrot is linked to Mount Sinai Institute for Liver Medicine. Dmand AI links Marie Pierrot to 1 more medical group.
Does Marie Y. Pierrot accept Medicare?
Yes. CMS lists Marie Pierrot as accepting Medicare assignment.
Does Marie Y. Pierrot offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Marie Pierrot as offering telehealth services.
How many Medicare patients does Marie Y. Pierrot see?
CMS counts 80 Medicare patients who saw Marie Pierrot in 2024, with an average age of 74.
Has Marie Y. Pierrot received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Marie Pierrot from 1 company from 2025 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Marie Y. Pierrot been practicing?
Marie Pierrot graduated from medical school in 1994, 32 years ago.
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