DR. YONATAN J HILLMAN M.D.
NPI 1023384120
Internal Medicine - Gastroenterology in White Plains, NY

Q: What is Yonatan Hillman's NPI number?

The NPI number for Yonatan Hillman is 1023384120. It was assigned to this individual provider in the NPPES registry on March 23, 2012.

Q: What is Yonatan Hillman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Yonatan Hillman was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 23, 2012PECOS EnrolledAccepts Medicare Assignment

20 DAVIS AVE, WHITE PLAINS, NY 10601(914) 681-0600 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 16, 2026, May 18, 2022, Dec 4, 2020 and 1 more (4 updates tracked since 2018).

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About Dr. Yonatan J Hillman M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. YONATAN J HILLMAN M.D. (NPI 1023384120) is an individual gastroenterology provider in White Plains, New York, licensed in Connecticut (76711) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and maintains a secondary practice location in Duluth.

NPPES Registry Identity

NPI1023384120

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. YONATAN J HILLMANCredential: M.D.

Location Address20 DAVIS AVEWhite Plains, NY 10601-4602

Mailing Address30 Stevens St Ste DNorwalk, CT 06850-3859 · (203) 852-3455

Phone(914) 681-0600

Sole ProprietorNo

Medical School CMSTufts University School Of MedicineGraduated 2012

Enumeration DateMarch 23, 2012

Last NPPES UpdateMarch 16, 20264 updates tracked since enumeration

NPPES CertifiedMarch 16, 2026

✔ NPI 1023384120 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in CT · 76711✔ Licensed in NY · 274949✔ Licensed in MN · 64471

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

20 DAVIS AVE, White Plains, NY 10601

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Secondary Practice Location 1

Location 1420 E 1st StDuluth, MN 55805-1901 · Phone (218) 786-8364

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Yonatan J Hillman M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385995570

PECOS Enrollment IDI20180927001377, I20220519001684

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

45 services42 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

42 services31 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

40 services33 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

36 services35 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

33 services33 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

31 services29 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Essentia Health St Mary's Medical Center

Acute Care Hospitals · Duluth, MN

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240002

Location402 East Second StreetDuluth, MN 55805 · St. Louis County

Emergency services Birthing friendly

Essentia Health Duluth

Acute Care Hospitals · Duluth, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240019

Location502 East Second StreetDuluth, MN 55805 · St. Louis County

Birthing friendly

White Plains Hospital Center

Acute Care Hospitals · White Plains, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330304

Location41 East Post R0adWhite Plains, NY 10601 · Westchester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALYSSA D'ONOFRIO NP

Nurse Practitioner (Acute Care)

20 DAVIS AVE
WHITE PLAINS, NY 10601

Westchester County (914) 681-1260

JENNA L AGOSTINELLI FNP

Registered Nurse

20 DAVIS AVE
WHITE PLAINS, NY 10601

Westchester County (716) 698-9257

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Yonatan Hillman's NPI number?

The NPI number for Yonatan Hillman is 1023384120. It was assigned to this individual provider in the NPPES registry on March 23, 2012.

Where is Yonatan Hillman located?

Yonatan Hillman practices at 20 Davis Ave, White Plains, NY 10601. The listed phone number is (914) 681-0600.

What is Yonatan Hillman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Yonatan Hillman enrolled in Medicare?

Yes. Yonatan Hillman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Yonatan Hillman affiliated with any hospitals?

According to CMS data, Yonatan Hillman is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Duluth and White Plains Hospital Center.

When was this NPI record last updated?

The NPPES record for Yonatan Hillman was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.