Doctor profile · Federal record

Dr. Katharine Macmillan, DO

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Saginaw, MI

  • NPI 1902426257
  • Accepts Medicare
  • 6 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2429 Trautner Dr
Saginaw, MI 486049596
(989) 583-5514
fax (989) 583-1742

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
April 16, 2024
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Michigan #5101027845 · West Virginia #4158

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902426257. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
172
Distinct HCPCS
5
Medicare allowed
$15,921
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 57 52 $118
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 37 37 $120
G0008 Administration of influenza virus vaccine 28 28 $29
99213 Established patient office or other outpatient visit, 20-29 minutes 26 25 $82
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 24 24 $76

In context: peer comparison

Among 32 peers in Saginaw Family Medicine Physician, average services per provider: 74. This provider delivers 2.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
347
Patients
49
Total drug cost
$14,165
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 64 27 $594
Lisinopril Generic 33 11 $138
Famotidine Generic 30 11 $465
Pantoprazole Sodium Generic 26 0 $334
Amlodipine Besylate Generic 21 0 $167
Levothyroxine Sodium Generic 21 0 $271
Gabapentin Generic 19 0 $166
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 18 0 $1,070
Meloxicam Generic 18 0 $35
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 18 0 $325

Frequently asked questions

Auto-generated from federal data
What is Dr. Katharine Macmillan's medical specialty?
Dr. Katharine Macmillan practices Family Medicine Physician in Saginaw, MI.
Where does Dr. Katharine Macmillan practice?
Dr. Katharine Macmillan practices at 2429 Trautner Dr, Saginaw, MI 486049596. Office phone: 9895835514.
What is Dr. Katharine Macmillan's NPI?
Dr. Katharine Macmillan's National Provider Identifier (NPI) is 1902426257, issued by NPPES.
Does Dr. Katharine Macmillan accept Medicare assignment?
Yes. Dr. Katharine Macmillan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katharine Macmillan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.