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DR. MARK A SELDON MD
NPI 1174515571
Internal Medicine - Cardiovascular Disease in New York, NY

Active since August 22, 2005PECOS EnrolledAccepts Medicare Assignment
345 E 37TH ST, SUITE 314, NEW YORK, NY 10016(212) 367-8000(212) 367-0919 Get Directions Write a Review

NPPES record last updated: December 16, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 16, 2025, May 17, 2016 (2 updates tracked since 2016).

About Dr. Mark A Seldon Md NPPES

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

DR. MARK A SELDON MD (NPI 1174515571) is an individual cardiovascular disease provider in New York, New York, licensed in New York (117243) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of Other (1972).

NPPES Registry Identity

NPI1174515571
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. MARK A SELDONCredential: MD
Location Address345 E 37TH ST, SUITE 314New York, NY 10016-3256
Mailing Address345 E 37th St, Suite 314New York, NY 10016-3256 · (212) 367-8000 · Fax (212) 367-0919
Phone(212) 367-8000
Fax(212) 367-0919
Sole ProprietorYes
Medical School CMSOtherGraduated 1972
Enumeration DateAugust 22, 2005
Last NPPES UpdateDecember 16, 20252 updates tracked since enumeration
NPPES CertifiedDecember 16, 2025
✔ NPI 1174515571 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in NY · 117243
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
345 E 37TH ST, New York, NY 10016
Open in Google Maps ↗

Other Identifiers 1

Medicaid00248480NY

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. Mark A Seldon Md 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 ID8022151927
PECOS Enrollment IDI20100201000297
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 8

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 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.
157 services64 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
131 services66 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
74 services58 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
62 services51 patients
Ultrasound of aorta, vena cava, groin vessels or bypass grafts 93979
This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps doctors check for issues like blockages or enlargements. It's non-invasive and painless.
48 services42 patients
Ultrasound of both sides of head and neck blood flow 93880
An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.
41 services36 patients

Hospital Affiliations CMS Care Compare

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

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330214
Location550 First AvenueNew York, NY 10016 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10016 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
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.

DANIEL J ALPERT, M.D. PLLC
Specialist
345 E 37TH ST
NEW YORK, NY 10016
New York County (212) 599-7910
CORINTHIAN OB GYN, P.C.
Obstetrics & Gynecology
345 E 37TH ST, SUITE 311
NEW YORK, NY 10016
New York County (212) 685-5832
DR. TANYA GUROVICH D.M.D.
Dentist
345 E 37TH ST, SUITE 319
NEW YORK, NY 10016
New York County (201) 232-6967
DANIEL J ALPERT MD
Internal Medicine (Gastroenterology)
345 E 37TH ST, SUITE 317E
NEW YORK, NY 10016
New York County (212) 599-7910
MITSUGU SHIMMYO, MD PC
Ophthalmology
345 E 37TH ST, SUITE 203
NEW YORK, NY 10016
New York County (212) 867-5700
GOLDEN AGE DERMATOLOGY PLLC
Dermatology
345 E 37TH ST, 301
NEW YORK, NY 10016
New York County (212) 734-6621
MR. ABDULLAH MOHAMMED ALANAZI M.D.
Otolaryngology
345 E 37TH ST
NEW YORK CITY, NY 10016
New York County (646) 754-8642
DR. PAUL EDWARD KWAK M.D.
Otolaryngology
345 E 37TH ST, SUITE 306
NEW YORK, NY 10016
New York County (646) 754-8642

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 Mark Seldon's NPI number?

The NPI number for Mark Seldon is 1174515571. It was assigned to this individual provider in the NPPES registry on August 22, 2005.

Where is Mark Seldon located?

Mark Seldon practices at 345 E 37th St Suite 314, New York, NY 10016. The listed phone number is (212) 367-8000.

What is Mark Seldon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Mark Seldon enrolled in Medicare?

Yes. Mark Seldon 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 Mark Seldon affiliated with any hospitals?

According to CMS data, Mark Seldon is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Mark Seldon was last updated on December 16, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.