ANNA W KOMOROWSKI MD
NPI 1902848567
Internal Medicine - Hematology in Nyack, NY

Q: What is Anna Komorowski's NPI number?

The NPI number for Anna Komorowski is 1902848567. It was assigned to this individual provider in the NPPES registry on June 11, 2006. The provider is also known as Anna W Bijak MD.

Q: What is Anna Komorowski's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Anna Komorowski was last updated on June 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since June 11, 2006PECOS EnrolledAccepts Medicare Assignment

74.06/100

CMS Quality Rating

255 FIFTH AVENUE, NYACK, NY 10960(845) 362-1750(845) 362-1577 Get Directions Write a Review

NPPES record last updated: June 29, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Anna W Komorowski Md NPPES

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

ANNA W KOMOROWSKI MD (NPI 1902848567) is an individual hematology provider in Nyack, New York, licensed in New York (238829) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Vassar Brothers Medical Center, and is a graduate of Other (1994).

NPPES Registry Identity

NPI1902848567

Entity TypeIndividualFemale

Primary Taxonomy207RH0000X

Provider Legal NameANNA W KOMOROWSKICredential: MD

Location Address255 FIFTH AVENUENyack, NY 10960-1824

Mailing Address255 Fifth AvenueNyack, NY 10960-1824 · (845) 362-1750 · Fax (845) 362-1577

Phone(845) 362-1750

Fax(845) 362-1577

Sole ProprietorNo

Medical School CMSOtherGraduated 1994

Enumeration DateJune 11, 2006

Last NPPES UpdateJune 29, 2010

✔ NPI 1902848567 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 · 238829

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.

255 FIFTH AVENUE, Nyack, NY 10960

Open in Google Maps ↗

Other Names 1

Other Name (5)Anna W Bijak Md

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

Anna W Komorowski 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 ID7214091156

PECOS Enrollment IDI20090202000368

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 Anna Komorowski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

North Shore-Lij Medical PC

24 mi

Urology

1010 NORTHERN BLVD STE 110
Great Neck, NY 11021

Reassigned Medicare billing, New York enrollment
9,353 clinicians in this Medicare group

NPI 1053688572 (516) 321-7400

North Shore Health System Medical Faculty Group Practice Inc

26 mi

Hematology & Oncology

450 LAKEVILLE RD
New Hyde Park, NY 11042

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

NPI 1003409061 (516) 734-8900

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 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.

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

1,344 services508 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.

805 services381 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.

650 services347 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

124 services66 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

74 services74 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

37 services34 patients

Hospital Affiliations CMS Care Compare 3

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

Vassar Brothers Medical Center

Acute Care Hospitals · Poughkeepsie, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330023

Location45 Reade PlacePoughkeepsie, NY 12601 · Dutchess County

Emergency services Birthing friendly

Northern Westchester Hospital

Acute Care Hospitals · Mount Kisco, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330162

Location400 East Main StreetMount Kisco, NY 10549 · Westchester County

Emergency services Birthing friendly

Phelps Hospital

Acute Care Hospitals · Sleepy Hollow, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330261

Location701 N BroadwaySleepy Hollow, NY 10591 · Westchester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10960 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.06/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

60.17

Promoting Interoperability

Improvement Activities

Cost

56.37

Other Providers at the Same Location NPPES 3

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

MATHEW LONBERG MD

Internal Medicine (Hematology)

255 FIFTH AVENUE
NYACK, NY 10960

Rockland County (845) 362-1750

JENNIFER ANN WAGNER NP

Nurse Practitioner (Family)

255 FIFTH AVENUE
NYACK, NY 10960

Rockland County (845) 362-1750

BRADLEY J COHEN MD

Internal Medicine (Hematology)

255 FIFTH AVENUE
NYACK, NY 10960

Rockland County (845) 362-1750

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 Anna Komorowski's NPI number?

The NPI number for Anna Komorowski is 1902848567. It was assigned to this individual provider in the NPPES registry on June 11, 2006. The provider is also known as Anna W Bijak MD.

Where is Anna Komorowski located?

Anna Komorowski practices at 255 Fifth Avenue, Nyack, NY 10960. The listed phone number is (845) 362-1750.

What is Anna Komorowski's specialty?

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

Is Anna Komorowski enrolled in Medicare?

Yes. Anna Komorowski 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 organizations bill Medicare for Anna Komorowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Komorowski reassigns Medicare benefits to 2 organizations: North Shore-Lij Medical PC (Great Neck, NY) and North Shore Health System Medical Faculty Group Practice Inc (New Hyde Park, NY). Each 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 Anna Komorowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Anna Komorowski affiliated with any hospitals?

According to CMS data, Anna Komorowski is affiliated with Vassar Brothers Medical Center, Northern Westchester Hospital and Phelps Hospital.

When was this NPI record last updated?

The NPPES record for Anna Komorowski was last updated on June 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.