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DR. STEVEN VALENSTEIN M.D.
NPI 1154307544
Internal Medicine in New York, NY

Active since December 19, 2005PECOS Enrolled
234 E 85TH ST, NEW YORK, NY 10028(212) 241-6585 Get Directions Write a Review

NPPES record last updated: March 4, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Steven Valenstein M.d. NPPES

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

DR. STEVEN VALENSTEIN M.D. (NPI 1154307544) is an individual internal medicine provider in New York, New York, licensed in New York (220411) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1154307544
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. STEVEN VALENSTEINCredential: M.D.
Location Address234 E 85TH STNew York, NY 10028
Mailing Address1 Gustave L Levy Pl # 3000New York, NY 10029-6504
Phone(212) 241-6585
Sole ProprietorNo
Enumeration DateDecember 19, 2005
Last NPPES UpdateMarch 4, 2019
✔ NPI 1154307544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 220411
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.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License 220411 (NY)
234 E 85TH ST, New York, NY 10028
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1180 E Hartsdale AveHartsdale, NY 10530-3544 · Phone (914) 725-2010 · Fax (914) 593-7881
Location 21 Gustave L Levy PlNew York, NY 10029-6504 · Phone (212) 241-6500

Other Identifiers 2

OtherP00951925NY · Rr Medicare
Medicaid02702743NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Steven Valenstein M.d. 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 Reassignment

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

Icahn School Of Medicine At Mount Sinai
0.9 mi
Occupational Medicine
1468 MADISON AVE FL 3
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 769 clinicians in this Medicare group
NPI 1427493113 (888) 702-0630

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10028 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
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

JENNIFER NG
Internal Medicine
234 E 85TH ST
NEW YORK, NY 10028
New York County (212) 241-6585
DR. JULIETTA DINA RUBIN M.D.
Internal Medicine
234 E 85TH ST
NEW YORK, NY 10028
New York County (212) 241-6585
DR. AIDA C VEGA MD
Internal Medicine
234 E 85TH ST
NEW YORK, NY 10028
New York County (212) 241-6585
DR. MATTHEW LIN MD
Student in an Organized Health Care Education/Training Program
234 E 85TH ST
NEW YORK, NY 10028
New York County (212) 241-6585
KRISHNAKUMARI G PALLEGAR MD
Internal Medicine
234 E 85TH ST
NEW YORK, NY 10028
New York County (212) 241-6585
PYUNG HWA JUNG
Nurse Practitioner (Adult Health)
234 E 85TH ST
NEW YORK, NY 10028
New York County (212) 241-6585
ASRA HUSSAIN MD
Family Medicine
234 E 85TH ST
NEW YORK, NY 10028
New York County (212) 241-6585
JOHN O WEI MD
Internal Medicine
234 E 85TH ST
NEW YORK, NY 10028
New York County (212) 241-6585

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 Steven Valenstein's NPI number?

The NPI number for Steven Valenstein is 1154307544. It was assigned to this individual provider in the NPPES registry on December 19, 2005.

Where is Steven Valenstein located?

Steven Valenstein practices at 234 E 85th St, New York, NY 10028. The listed phone number is (212) 241-6585.

What is Steven Valenstein's specialty?

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

Is Steven Valenstein enrolled in Medicare?

Yes. Steven Valenstein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Steven Valenstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Valenstein reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, 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 Steven Valenstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Steven Valenstein was last updated on March 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.