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JOSHUA HARTMAN
NPI 1730421355
Internal Medicine - Gastroenterology in Mount Vernon, NY

Active since March 21, 2013PECOS EnrolledAccepts Medicare Assignment
540 GRAMATAN AVE, MOUNT VERNON, NY 10552(914) 668-5944 Get Directions Write a Review

NPPES record last updated: April 28, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 28, 2022, Aug 14, 2020, Sep 11, 2019 (3 updates tracked since 2019).

About Joshua Hartman NPPES

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

JOSHUA HARTMAN (NPI 1730421355) is an individual gastroenterology provider in Mount Vernon, New York, licensed in New York (283371) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1730421355
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJOSHUA HARTMAN
Location Address540 GRAMATAN AVEMount Vernon, NY 10552-2104
Mailing Address540 Gramatan AveMount Vernon, NY 10552-2104 · (914) 668-5944
Phone(914) 668-5944
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2013
Enumeration DateMarch 21, 2013
Last NPPES UpdateApril 28, 20233 updates tracked since enumeration
NPPES CertifiedApril 28, 2023
✔ NPI 1730421355 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 NY · 283371✔ Licensed in CT · 62279
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.
540 GRAMATAN AVE, Mount Vernon, NY 10552
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11 Gustave L Levy PlNew York, NY 10029-6500 · Phone (212) 241-6500
Location 267 Sand Pit RdDanbury, CT 06810 · Phone (203) 730-0405

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Joshua Hartman 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 ID5991049785
PECOS Enrollment IDI20200814002249
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.

Medicare Billing Reassignment

Medicare enrollment records show Joshua Hartman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lawrence Medical Associates, PC
1.1 mi
Emergency Medicine
55 PALMER AVENUE, DEPARTMENT OF EMERGENCY MEDICINE
Bronxville, NY 10708
  • Reassigned Medicare billing, New York enrollment
  • 531 clinicians in this Medicare group
NPI 1497260806 (914) 787-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

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.
202 services161 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
92 services92 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
90 services90 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
80 services80 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
51 services43 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.
42 services42 patients

Hospital Affiliations CMS Care Compare

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

New York-Presbyterian Hospital

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330101
Location525 East 68th StreetNew York, NY 10065 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10552 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 4

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

IFESINACHI NNAJI MD
Family Medicine
540 GRAMATAN AVE
MOUNT VERNON, NY 10552
Westchester County (914) 668-5944
YOLIMA SALAZAR M.D.
Internal Medicine (Infectious Disease)
540 GRAMATAN AVE
MOUNT VERNON, NY 10552
Westchester County (914) 668-5944
DR. GEORGE WILLIAM JOWSEY MBBS, MRES
Internal Medicine (Infectious Disease)
540 GRAMATAN AVE
MOUNT VERNON, NY 10552
Westchester County (914) 787-3100
SHARI-ANN SAVOY M.D.
Family Medicine
540 GRAMATAN AVE
MOUNT VERNON, NY 10552
Westchester County (914) 668-5499

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 Joshua Hartman's NPI number?

The NPI number for Joshua Hartman is 1730421355. It was assigned to this individual provider in the NPPES registry on March 21, 2013.

Where is Joshua Hartman located?

Joshua Hartman practices at 540 Gramatan Ave, Mount Vernon, NY 10552. The listed phone number is (914) 668-5944.

What is Joshua Hartman's specialty?

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

Is Joshua Hartman enrolled in Medicare?

Yes. Joshua Hartman 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.

Which organization bills Medicare for Joshua Hartman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Hartman reassigns Medicare benefits to Lawrence Medical Associates, PC (Bronxville, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joshua Hartman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Joshua Hartman affiliated with any hospitals?

According to CMS data, Joshua Hartman is affiliated with New York-Presbyterian Hospital.

When was this NPI record last updated?

The NPPES record for Joshua Hartman was last updated on April 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.