Doctor profile · Federal record

Dr. Mary O'Neill, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Kansas City, MO

  • NPI 1275914798
  • Accepts Medicare
  • MIPS 77.3 / 100 · 2023
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4320 Wornall RD Ste 240
Kansas City, MO 641115955
(816) 932-4655
fax (816) 932-7920
Mailing address
901 E 104Th St, Mailstop 400
Kansas City, MO 64131

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
December 6, 2017
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Missouri #2015008054 · Kansas #5376698061

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275914798. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
204
Distinct HCPCS
7
Medicare allowed
$14,742
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 48 19 $66
99214 Established patient office or other outpatient visit, 30-39 minutes 44 42 $80
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 28 13 $41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 25 21 $108
99215 Established patient office or other outpatient visit, 40-54 minutes 24 24 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 23 22 $55
91200 Measurement of liver stiffness 12 12 $9

In context: peer comparison

Among 127 peers in Kansas City Family Nurse Practitioner, average services per provider: 90. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$254
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Mallinckrodt Hospital Products INC. 1 $133.77
Gilead Sciences, INC. 1 $119.93

By nature of payment

Food and Beverage
$254

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
138
Patients
36
Total drug cost
$157,622
Drug Type Claims Patients Total cost
Xifaxan (Rifaximin) Brand 36 0 $151,358
Ursodiol Generic 35 12 $5,296
Furosemide Generic 20 13 $99
Spironolactone Generic 20 11 $646
Pantoprazole Sodium Generic 15 0 $175
Prednisone Generic 12 0 $48

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary O'Neill's medical specialty?
Dr. Mary O'Neill practices Family Nurse Practitioner in Kansas City, MO.
Where does Dr. Mary O'Neill practice?
Dr. Mary O'Neill practices at 4320 Wornall RD Ste 240, Kansas City, MO 641115955. Office phone: 8169324655.
What is Dr. Mary O'Neill's NPI?
Dr. Mary O'Neill's National Provider Identifier (NPI) is 1275914798, issued by NPPES.
Does Dr. Mary O'Neill accept Medicare assignment?
Yes. Dr. Mary O'Neill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary O'Neill commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.