Doctor profile · Federal record

Dr. Tiffany Mork, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Menomonee Falls, WI

  • NPI 1376650671
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
W129N7055 Northfield Dr
Menomonee Falls, WI 530510538
(262) 253-5400

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 19, 2019
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Wisconsin #43034
Medicaid
WI #34661800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376650671. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
425
Distinct HCPCS
7
Medicare allowed
$37,103
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 118 101 $122
82962 Blood glucose (sugar) test performed by hand-held instrument 79 57 $3
99215 Established patient office or other outpatient visit, 40-54 minutes 61 45 $167
99204 New patient office or other outpatient visit, 45-59 minutes 57 57 $158
83036 Hemoglobin a1c level 53 38 $9
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 35 16 $27
99213 Established patient office or other outpatient visit, 20-29 minutes 22 20 $86

In context: peer comparison

Among 5 peers in this city , average services per provider: 662. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,197
Patients
335
Total drug cost
$392,804
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 359 99 $5,532
Alendronate Sodium Generic 130 46 $1,505
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 86 28 $78,562
Metformin Hcl Generic 81 19 $989
Methimazole Generic 75 21 $2,002
Ozempic (Semaglutide) Brand 65 18 $92,827
Metformin Hcl Er (Metformin Hcl) Brand 59 24 $1,595
Jardiance (Empagliflozin) Brand 53 15 $62,512
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 52 21 $6,039
Atorvastatin Calcium Generic 47 16 $736

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tiffany Mork's medical specialty?
Dr. Tiffany Mork practices Endocrinology, Diabetes & Metabolism Physician in Menomonee Falls, WI.
Where does Dr. Tiffany Mork practice?
Dr. Tiffany Mork practices at W129N7055 Northfield Dr, Menomonee Falls, WI 530510538. Office phone: 2622535400.
What is Dr. Tiffany Mork's NPI?
Dr. Tiffany Mork's National Provider Identifier (NPI) is 1376650671, issued by NPPES.
Does Dr. Tiffany Mork accept Medicare assignment?
Yes. Dr. Tiffany Mork accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tiffany Mork commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.