Doctor profile · Federal record

Dr. Heidi Mahnken, M.D.

Surgery Physician (CMS: General Surgery) · Surgery Physician · Surgery Physician · Columbia, MO

  • NPI 1942658745
  • Accepts Medicare
  • MIPS 94.8 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1601 E Broadway Ste 240
Columbia, MO 652018022
(573) 815-8145
fax (573) 815-3832

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
December 11, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (3)
Missouri #2024037749 · Oklahoma #32364 · Kentucky #56431

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942658745. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
334
Distinct HCPCS
10
Medicare allowed
$41,896
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 102 58 $75
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 53 50 $77
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 43 29 $47
99203 New patient office or other outpatient visit, 30-44 minutes 30 30 $101
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 26 $123
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope 23 23 $661
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 18 15 $113
99213 Established patient office or other outpatient visit, 20-29 minutes 16 15 $81
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $155
45380 Biopsy of large bowel using a flexible endoscope 11 11 $140

In context: peer comparison

Among 18 peers in this city , average services per provider: 55. This provider delivers 6.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,377
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 7 $1,322.95
Merit Medical Systems Inc 1 $19.25
Baxter Healthcare 1 $18.95
THD America, Inc. 1 $16.20

By nature of payment

Travel and Lodging
$778
Food and Beverage
$590
Gift
$9

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
100
Patients
94
Total drug cost
$594
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 37 36 $278
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 33 30 $122
Oxycodone Hcl Generic 19 17 $57
Celecoxib Generic 11 11 $139

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Heidi Mahnken's medical specialty?
Dr. Heidi Mahnken practices Surgery Physician in Columbia, MO.
Where does Dr. Heidi Mahnken practice?
Dr. Heidi Mahnken practices at 1601 E Broadway Ste 240, Columbia, MO 652018022. Office phone: 5738158145.
What is Dr. Heidi Mahnken's NPI?
Dr. Heidi Mahnken's National Provider Identifier (NPI) is 1942658745, issued by NPPES.
Does Dr. Heidi Mahnken accept Medicare assignment?
Yes. Dr. Heidi Mahnken accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heidi Mahnken commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.