Doctor profile · Federal record

Dr. Mallory Jansen, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Lansing, MI

  • NPI 1881345031
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1140 E Michigan Ave Ste 200
Lansing, MI 489121806
(517) 364-9400
fax (517) 487-3148
Mailing address
401 W Greenlawn Ave
Lansing, MI 489102819

Credentials & registration

NPPES · NUCC
NPI registered
January 2022 — 4 yrs on file
Profile last updated
April 3, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Michigan #4704272847

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881345031. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
176
Distinct HCPCS
5
Medicare allowed
$12,483
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 51 29 $41
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 41 40 $68
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 36 34 $107
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 28 19 $64
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 20 17 $98

In context: peer comparison

Among 21 peers in Lansing Family Nurse Practitioner, average services per provider: 455. This provider delivers 0.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mallory Jansen's medical specialty?
Dr. Mallory Jansen practices Family Nurse Practitioner in Lansing, MI.
Where does Dr. Mallory Jansen practice?
Dr. Mallory Jansen practices at 1140 E Michigan Ave Ste 200, Lansing, MI 489121806. Office phone: 5173649400.
What is Dr. Mallory Jansen's NPI?
Dr. Mallory Jansen's National Provider Identifier (NPI) is 1881345031, issued by NPPES.
Does Dr. Mallory Jansen accept Medicare assignment?
Yes. Dr. Mallory Jansen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mallory Jansen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.