Doctor profile · Federal record

Dr. Mary Landwehr, MD

Family Medicine Physician (CMS: Family Practice) · Chippewa Falls, WI

  • NPI 1386647246
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2829 County Highway I, Suite 2
Chippewa Falls, WI 547292652
(715) 726-3096
fax (715) 726-3979

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
May 6, 2011
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Wisconsin #45925
Medicaid
WI #34433500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386647246. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,429
Distinct HCPCS
10
Medicare allowed
$186,541
HCPCS Description Services Patients Avg allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 966 104 $59
99214 Established patient office or other outpatient visit, 30-39 minutes 390 107 $119
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 306 80 $45
99215 Established patient office or other outpatient visit, 40-54 minutes 294 75 $168
36415 Insertion of needle into vein for collection of blood sample 188 94 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 102 59 $83
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 52 52 $122
G0444 Annual depression screening, 5 to 15 minutes 51 51 $17
90662 Influenza vaccine split virus, preservative free 31 31 $72
G0008 Administration of influenza virus vaccine 29 29 $29

In context: peer comparison

Among 5 peers in Chippewa Falls Family Medicine Physician, average services per provider: 103. This provider delivers 24× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,404
Patients
366
Total drug cost
$62,608
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 186 54 $2,151
Levothyroxine Sodium Generic 157 38 $2,489
Lisinopril Generic 133 38 $1,375
Metoprolol Succinate Generic 130 37 $2,805
Omeprazole Generic 119 29 $1,502
Hydrochlorothiazide Generic 118 31 $483
Gabapentin Generic 89 27 $2,111
Metformin Hcl Generic 76 18 $942
Losartan Potassium Generic 67 18 $1,086
Sertraline Hcl Generic 62 15 $1,542

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Landwehr's medical specialty?
Dr. Mary Landwehr practices Family Medicine Physician in Chippewa Falls, WI.
Where does Dr. Mary Landwehr practice?
Dr. Mary Landwehr practices at 2829 County Highway I, Chippewa Falls, WI 547292652. Office phone: 7157263096.
What is Dr. Mary Landwehr's NPI?
Dr. Mary Landwehr's National Provider Identifier (NPI) is 1386647246, issued by NPPES.
Does Dr. Mary Landwehr accept Medicare assignment?
Yes. Dr. Mary Landwehr accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Landwehr commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439). Source: CMS Medicare Physician & Other Practitioners file.