Doctor profile · Federal record

Dr. Anna Ziganshina, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Student in an Organized Health Care Education/Training Program · Danbury, CT

  • NPI 1629431630
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24 Hospital Ave
Danbury, CT 068106099
(203) 739-8105
fax (203) 739-1555
Mailing address
111 Park St, Apt. 17B
New Haven, CT 065115412

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
August 13, 2021
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Connecticut #67466

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629431630. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
484
Distinct HCPCS
7
Medicare allowed
$57,329
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 194 116 $186
83036 Hemoglobin a1c level 83 62 $10
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 70 53 $33
99214 Established patient office or other outpatient visit, 30-39 minutes 49 45 $135
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 37 21 $34
99205 New patient office or other outpatient visit, 60-74 minutes 37 37 $231
76536 Ultrasound scan of head and neck soft tissue 14 13 $122

In context: peer comparison

Among 3 peers in Danbury Endocrinology, Diabetes & Metabolism Physician, average services per provider: 172. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,596
Transactions
110
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen INC. 10 $403.79
Lilly USA, LLC 19 $393.14
Xeris Pharmaceuticals, INC. 15 $267.69
Abbott Laboratories 12 $262.91
Boehringer Ingelheim Pharmaceuticals, INC. 11 $147.16
Novo Nordisk INC 14 $143.02
Bayer Healthcare Pharmaceuticals INC. 8 $131.92
Sanofi-Aventis U.S. LLC 2 $114.46
Antares Pharma, INC. 3 $91.03
Astellas Pharma US INC 3 $80.24
Abbvie INC. 3 $73.65
Insulet Corporation 3 $63.46
Corcept Therapeutics 3 $59.47
Ascensia Diabetes Care US INC. 2 $56.45
Kyowa Kirin, INC. 2 $52.08

By nature of payment

Food and Beverage
$2,596

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
889
Patients
313
Total drug cost
$810,586
Drug Type Claims Patients Total cost
Ozempic (Semaglutide) Brand 175 59 $374,265
Jardiance (Empagliflozin) Brand 105 34 $135,719
Levothyroxine Sodium Generic 95 39 $2,145
Mounjaro (Tirzepatide) Brand 81 25 $140,408
Alendronate Sodium Generic 80 23 $830
Metformin Hcl ER (Metformin Hcl) Brand 75 29 $1,528
Tradjenta (Linagliptin) Brand 45 16 $50,501
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 44 28 $27,025
Metformin Hcl Generic 39 11 $248
Synthroid (Levothyroxine Sodium) Brand 33 0 $2,767

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anna Ziganshina's medical specialty?
Dr. Anna Ziganshina practices Endocrinology, Diabetes & Metabolism Physician in Danbury, CT.
Where does Dr. Anna Ziganshina practice?
Dr. Anna Ziganshina practices at 24 Hospital Ave, Danbury, CT 068106099. Office phone: 2037398105.
What is Dr. Anna Ziganshina's NPI?
Dr. Anna Ziganshina's National Provider Identifier (NPI) is 1629431630, issued by NPPES.
Does Dr. Anna Ziganshina accept Medicare assignment?
Yes. Dr. Anna Ziganshina accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anna Ziganshina commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Hemoglobin a1c level (HCPCS 83036); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212). Source: CMS Medicare Physician & Other Practitioners file.