ANNA SLOMKOWSKA MD
NPI 1740454719
Anesthesiology in Williamsville, NY

Active since April 21, 2008PECOS EnrolledAccepts Medicare Assignment
85.07/100
CMS Quality Rating
30 S CAYUGA RD, WILLIAMSVILLE, NY 14221(716) 984-9924 Get Directions Write a Review

NPPES record last updated: January 10, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Anna Slomkowska Md NPPES

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

ANNA SLOMKOWSKA MD (NPI 1740454719) is an individual anesthesiology provider in Williamsville, New York, licensed in Connecticut (51063) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Norwalk, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1740454719
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameANNA SLOMKOWSKACredential: MD
Location Address30 S CAYUGA RDWilliamsville, NY 14221-6728
Mailing Address983 New Britain AveFarmington, CT 06032-2149 · (413) 739-2089
Sole ProprietorYes
Medical School CMSOtherGraduated 1996
Enumeration DateApril 21, 2008
Last NPPES UpdateJanuary 10, 2025
NPPES CertifiedJanuary 10, 2025
✔ NPI 1740454719 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CT · 51063
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
30 S CAYUGA RD, Williamsville, NY 14221

Secondary Practice Location 1

Location 134 Maple StNorwalk, CT 06850-3815 · Phone (203) 852-3103

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 Slomkowska 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 ID143472555
PECOS Enrollment IDI20121211000506
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

7

Medicare enrollment records show Anna Slomkowska reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
24 HOSPITAL AVE
Danbury, CT 06810
  • Reassigned Medicare billing, Connecticut enrollment
  • 818 clinicians in this Medicare group
Anesthesiology
540 LITCHFIELD ST
Torrington, CT 06790
  • Reassigned Medicare billing, Connecticut enrollment
  • 64 clinicians in this Medicare group
Anesthesiology
1093 PROSPECT AVE
West Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 86 clinicians in this Medicare group
Endoscopy
2200 WHITNEY AVE, SUITE 380
Hamden, CT 06518
  • Reassigned Medicare billing, Connecticut enrollment
  • 88 clinicians in this Medicare group
Gastroenterology
85 SEYMOUR ST, 1000
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 417 clinicians in this Medicare group
Anesthesiology
320 POMFRET ST
Putnam, CT 06260
  • Reassigned Medicare billing, Connecticut enrollment
  • 225 clinicians in this Medicare group
Anesthesiology
12396 WORLD TRADE DR STE 303
San Diego, CA 92128
  • Reassigned Medicare billing, Connecticut enrollment
  • 42 clinicians in this Medicare group

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

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.

85.07/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality89.7
Promoting Interoperability83
Improvement Activities40
Cost68.33

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.

Anesthesiology
30 S CAYUGA RD
WILLIAMSVILLE, NY 14221
Anesthesiology
30 S CAYUGA RD
WILLIAMSVILLE, NY 14221
Nurse Anesthetist, Certified Registered
30 S CAYUGA RD
WILLIAMSVILLE, NY 14221
Nurse Anesthetist, Certified Registered
30 S CAYUGA RD
WILLIAMSVILLE, NY 14221
Anesthesiology
30 S CAYUGA RD
BUFFALO, NY 14221
Anesthesiology
30 S CAYUGA RD
WILLIAMSVILLE, NY 14221
Nurse Anesthetist, Certified Registered
30 S CAYUGA RD
WILLIAMSVILLE, NY 14221
Nurse Anesthetist, Certified Registered
30 S CAYUGA RD
WILLIAMSVILLE, NY 14221

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 Slomkowska's NPI number?

The NPI number for Anna Slomkowska is 1740454719. It was assigned to this individual provider in the NPPES registry on April 21, 2008.

Where is Anna Slomkowska located?

Anna Slomkowska practices at 30 S Cayuga Rd, Williamsville, NY 14221. The listed phone number is (716) 984-9924.

What is Anna Slomkowska's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Anna Slomkowska enrolled in Medicare?

Yes. Anna Slomkowska 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 Slomkowska's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Slomkowska reassigns Medicare benefits to 7 organizations: Nuvance Health Medical Practice Ct, Inc. (Danbury, CT), Resource Anesthesiology Associates Of Ct PC (Torrington, CT), Charter Anesthesiology LLC (West Hartford, CT), Endoscopy Center Of Connecticut, LLC (Hamden, CT), Connecticut Gi PLLC (Hartford, CT) and 2 more organizations, listed in the Medicare section above. 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 Slomkowska'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 Anna Slomkowska was last updated on January 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.