Doctor profile · Federal record

Dr. Anna Zielinska, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Norwalk, CT

  • NPI 1922354497
  • Accepts Medicare
  • MIPS 89.1 / 100 · 2023
  • 17 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
34 Maple St
Norwalk, CT 068503815
(203) 852-2025
Mailing address
17 Ball Pond RD
New Fairfield, CT 06812

Credentials & registration

NPPES · NUCC
NPI registered
August 2012 — 14 yrs on file
Profile last updated
September 29, 2015
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #54271

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922354497. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
311
Distinct HCPCS
3
Medicare allowed
$56,707
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 269 250 $183
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 22 $138
99291 Critical care, first 30-74 minutes 19 18 $225

In context: peer comparison

Among 20 peers in Norwalk Internal Medicine Physician, average services per provider: 111. This provider delivers 2.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Anna Zielinska's medical specialty?
Dr. Anna Zielinska practices Internal Medicine Physician in Norwalk, CT.
Where does Dr. Anna Zielinska practice?
Dr. Anna Zielinska practices at 34 Maple St, Norwalk, CT 068503815. Office phone: 2038522025.
What is Dr. Anna Zielinska's NPI?
Dr. Anna Zielinska's National Provider Identifier (NPI) is 1922354497, issued by NPPES.
Does Dr. Anna Zielinska accept Medicare assignment?
Yes. Dr. Anna Zielinska accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anna Zielinska commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.