DR. SIVASUBRAMANIAN T NARAYANAN MD
NPI 1376608208
Internal Medicine in Bronx, NY

Q: What is Sivasubramanian Narayanan's NPI number?

The NPI number for Sivasubramanian Narayanan is 1376608208. It was assigned to this individual provider in the NPPES registry on December 22, 2006.

Q: What is Sivasubramanian Narayanan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since December 22, 2006PECOS Enrolled

234 E 149TH ST, BRONX, NY 10451(718) 579-6010(718) 579-4822 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Sivasubramanian T Narayanan Md NPPES

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

DR. SIVASUBRAMANIAN T NARAYANAN MD (NPI 1376608208) is an individual internal medicine provider in Bronx, New York, licensed in New York (001673) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376608208

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. SIVASUBRAMANIAN T NARAYANANCredential: MD

Location Address234 E 149TH STBronx, NY 10451-5504

Mailing Address2165 Matthews Ave, #4jBronx, NY 10462-2009 · (718) 892-9124 · Fax (718) 892-4822

Phone(718) 579-6010

Fax(718) 579-4822

Sole ProprietorNo

Enumeration DateDecember 22, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1376608208 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NY · 001673

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

234 E 149TH ST, Bronx, NY 10451

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sivasubramanian T Narayanan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Sivasubramanian Narayanan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Downtown Bronx Medical Associates PC

Same address

Emergency Medical Services

234 E 149TH ST, STE 8D200
Bronx, NY 10451

Reassigned Medicare billing, New York enrollment
971 clinicians in this Medicare group

NPI 1689618407 (718) 576-6200

Harlem Medical Associates PC

0.8 mi

General Practice

506 MALCOLM X BLVD (LENOX AVE)
New York, NY 10037

Reassigned Medicare billing, New York enrollment
676 clinicians in this Medicare group

NPI 1487957692 (631) 675-9300

Physician Affiliate Group Of New York PC

0.9 mi

Dietitian, Registered

506 LENOX AVE
New York, NY 10037

Reassigned Medicare billing, New York enrollment
2,094 clinicians in this Medicare group

NPI 1013375526 (212) 939-2467

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 2

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.

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

29 services24 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

25 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10451 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 20

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

DR. THOMAS HENRY PARRY M.D.

Emergency Medicine