JOHN CARLETON NELSON M.D.
NPI 1790748192
Internal Medicine - Hematology in Hawthorne, NY

Active since April 08, 2006PECOS EnrolledAccepts Medicare Assignment
19 BRADHURST AVE, SUITE 2100, HAWTHORNE, NY 10532(914) 493-8375(914) 347-1832 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Carleton Nelson M.d. NPPES

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

JOHN CARLETON NELSON M.D. (NPI 1790748192) is an individual hematology provider in Hawthorne, New York, licensed in New York (128109) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Westchester Medical Center, and is a graduate of Harvard Medical School (1971).

NPPES Registry Identity

NPI1790748192
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameJOHN CARLETON NELSONCredential: M.D.
Location Address19 BRADHURST AVE, SUITE 2100Hawthorne, NY 10532-2140
Mailing AddressPo Box 69Hawthorne, NY 10532-0069 · (914) 493-8375 · Fax (914) 347-1832
Fax(914) 347-1832
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1971
Enumeration DateApril 8, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1790748192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License Licensed in NY · 128109
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
19 BRADHURST AVE, Hawthorne, NY 10532

Other Identifiers 3

Medicare UPIND38846NY
Medicare ID-Type Unspecified001A101NY
Medicaid00420677NY

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

John Carleton Nelson 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 ID2769472950
PECOS Enrollment IDI20040518000845
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.

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.
97 services91 patients
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.
73 services49 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
35 services31 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.
32 services32 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.
28 services24 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
27 services25 patients

Hospital Affiliations CMS Care Compare

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

Westchester Medical Center

Acute Care Hospitals · Valhalla, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330234
Location100 Woods RdValhalla, NY 10595 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10532 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
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
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 20

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

Internal Medicine (Critical Care Medicine)
19 BRADHURST AVE, SUITE 3040N
HAWTHORNE, NY 10532
Internal Medicine (Rheumatology)
19 BRADHURST AVE, SUITE 3070N
HAWTHORNE, NY 10532
Nurse Practitioner (Primary Care)
19 BRADHURST AVE
HAWTHORNE, NY 10532
Internal Medicine (Nephrology)
19 BRADHURST AVE, SUITE 200N
HAWTHORNE, NY 10532
Internal Medicine (Medical Oncology)
19 BRADHURST AVE, SUITE 2100
HAWTHORNE, NY 10532
Internal Medicine (Cardiovascular Disease)
19 BRADHURST AVE, SUITE 700
HAWTHORNE, NY 10532
Pediatrics (Pediatric Infectious Diseases)
19 BRADHURST AVE, STE. 1400
HAWTHORNE, NY 10532
Internal Medicine (Clinical Cardiac Electrophysiology)
19 BRADHURST AVE, SUITE 3850S
HAWTHORNE, NY 10532

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 John Nelson's NPI number?

The NPI number for John Nelson is 1790748192. It was assigned to this individual provider in the NPPES registry on April 8, 2006.

Where is John Nelson located?

John Nelson practices at 19 Bradhurst Ave Suite 2100, Hawthorne, NY 10532. The listed phone number is (914) 493-8375.

What is John Nelson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is John Nelson enrolled in Medicare?

Yes. John Nelson 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 John Nelson affiliated with any hospitals?

According to CMS data, John Nelson is affiliated with Westchester Medical Center.

When was this NPI record last updated?

The NPPES record for John Nelson was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.