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DR. OLGA GRUSCINSKA M.D.
NPI 1457580052
Internal Medicine in New York, NY

Active since July 06, 2009PECOS EnrolledAccepts Medicare Assignment
408 W 57TH ST APT 7L, NEW YORK, NY 10019(646) 410-2227 Get Directions Write a Review

NPPES record last updated: December 16, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Olga Gruscinska M.d. NPPES

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

DR. OLGA GRUSCINSKA M.D. (NPI 1457580052) is an individual internal medicine provider in New York, New York, licensed in New York (265345) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1457580052
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. OLGA GRUSCINSKACredential: M.D.
Location Address408 W 57TH ST APT 7LNew York, NY 10019-3012
Mailing Address408 W 57th St Apt 7lNew York, NY 10019-3012 · (646) 410-2227
Phone(646) 410-2227
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateJuly 6, 2009
Last NPPES UpdateDecember 16, 2013
✔ NPI 1457580052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NY · 265345✔ Licensed in NY · MD003471✔ Licensed in PA · MD437523
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.
408 W 57TH ST APT 7L, New York, NY 10019
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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 and accepts Medicare assignment

Dr. Olga Gruscinska 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 ID4981758323
PECOS Enrollment IDI20111020000373
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 Olga Gruscinska reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Prominis Medical Services PC
5.5 mi
Internal Medicine
332 DEKALB AVE
Brooklyn, NY 11205
  • Reassigned Medicare billing, New York enrollment
  • 73 clinicians in this Medicare group
NPI 1841323771 (718) 852-5252

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 10019 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.

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 Olga Gruscinska's NPI number?

The NPI number for Olga Gruscinska is 1457580052. It was assigned to this individual provider in the NPPES registry on July 6, 2009.

Where is Olga Gruscinska located?

Olga Gruscinska practices at 408 W 57th St Apt 7L, New York, NY 10019. The listed phone number is (646) 410-2227.

What is Olga Gruscinska's specialty?

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

Is Olga Gruscinska enrolled in Medicare?

Yes. Olga Gruscinska 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 Olga Gruscinska's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olga Gruscinska reassigns Medicare benefits to Prominis Medical Services PC (Brooklyn, 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 Olga Gruscinska'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 Olga Gruscinska was last updated on December 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.