Doctor profile · Federal record

Dr. Karen Giardino, MD (Endocrinologist)

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Williamsville, NY

  • NPI 1023175361
  • Accepts Medicare
  • MIPS 71.6 / 100 · 2023
  • 41 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5530 Sheridan Dr, 1B
Williamsville, NY 142213730
(716) 636-8357
fax (716) 636-1369

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
September 21, 2011
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
New York #164685-1 · New York #1646851
Medicaid
NY #01210599

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023175361. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
86
Distinct HCPCS
3
Medicare allowed
$15,322
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 37 37 $211
99215 Established patient office or other outpatient visit, 40-54 minutes 31 23 $172
99214 Established patient office or other outpatient visit, 30-39 minutes 18 16 $123

In context: peer comparison

Among 6 peers in this city , average services per provider: 61. This provider delivers 1.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,287
Transactions
59
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 16 $327.87
Novo Nordisk Inc 10 $175.39
BETA BIONICS, INC. 6 $110.28
Ascensia Diabetes Care Us Inc. 4 $86.84
IBSA Pharma Inc. 4 $74.92
Amneal Pharmaceuticals LLC 3 $69.61
Amgen Inc. 4 $69.22
Abbott Laboratories 3 $63.95
Insulet Corporation 2 $47.16
SANOFI-AVENTIS U.S. LLC 2 $44.65
Ascendis Pharma Inc 1 $29.31
Medtronic, Inc. 1 $26.97
Bayer Healthcare Pharmaceuticals Inc. 1 $25.79
Ultragenyx Pharmaceutical Inc. 1 $24.04
ABBVIE INC. 1 $21.41

By nature of payment

Food and Beverage
$1,287

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
302
Patients
113
Total drug cost
$90,968
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 101 49 $2,536
Synthroid (Levothyroxine Sodium) Brand 45 24 $4,078
Mounjaro (Tirzepatide) Brand 34 12 $38,824
Jardiance (Empagliflozin) Brand 29 13 $36,469
Metformin Hcl Er (Metformin Hcl) Brand 29 15 $733
Glipizide Generic 17 0 $309
Rosuvastatin Calcium Generic 17 0 $301
Hydrocortisone Generic 15 0 $942
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 15 0 $6,776

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Giardino's medical specialty?
Dr. Karen Giardino practices Endocrinology, Diabetes & Metabolism Physician in Williamsville, NY.
Where does Dr. Karen Giardino practice?
Dr. Karen Giardino practices at 5530 Sheridan Dr, Williamsville, NY 142213730. Office phone: 7166368357.
What is Dr. Karen Giardino's NPI?
Dr. Karen Giardino's National Provider Identifier (NPI) is 1023175361, issued by NPPES.
Does Dr. Karen Giardino accept Medicare assignment?
Yes. Dr. Karen Giardino accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Giardino commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.