Doctor profile · Federal record

Dr. Kristina Hammer, DNP, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Louisville, KY

  • NPI 1639634199
  • Accepts Medicare
  • MIPS 94.8 / 100 · 2023
  • 13 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2311 Lime Kiln Ln
Louisville, KY 402223460
(502) 425-4404

Credentials & registration

NPPES · NUCC
NPI registered
February 2019 — 7 yrs on file
Profile last updated
December 30, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Kentucky #3012962 · Indiana #71010695A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639634199. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
469
Distinct HCPCS
8
Medicare allowed
$42,099
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 170 129 $102
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 163 91 $65
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 51 50 $142
99215 Established patient office or other outpatient visit, 40-54 minutes 22 18 $144
99443 Telephone medical discussion with physician, 21-30 minutes 20 20 $102
32562 Subsequent instillation of agent onto lung lining using chest tube 19 14 $49
32561 Initial instillation of agent onto lung lining using chest tube 12 12 $55
99406 Smoking and tobacco use intensive counseling, 4-10 minutes 12 11 $12

In context: peer comparison

Among 322 peers in this city , average services per provider: 95. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$112
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
ATRICURE, INC. 2 $37.53
KLS-Martin L.P. 1 $22.70
Merck Sharp & Dohme LLC 1 $18.51
Ambu Inc. 1 $17.06
Zimmer Biomet Holdings, Inc. 1 $16.57

By nature of payment

Food and Beverage
$112

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
265
Patients
217
Total drug cost
$3,054
Drug Type Claims Patients Total cost
Gabapentin Generic 90 83 $1,224
Oxycodone Hcl Generic 77 75 $356
Celecoxib Generic 35 33 $939
Metoprolol Tartrate Generic 14 14 $77
Ondansetron Hcl Generic 13 0 $265
Tramadol Hcl Generic 13 12 $31
Diltiazem Hcl Generic 12 0 $150
Diazepam Generic 11 0 $12

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristina Hammer's medical specialty?
Dr. Kristina Hammer practices Family Nurse Practitioner in Louisville, KY.
Where does Dr. Kristina Hammer practice?
Dr. Kristina Hammer practices at 2311 Lime Kiln Ln, Louisville, KY 402223460. Office phone: 5024254404.
What is Dr. Kristina Hammer's NPI?
Dr. Kristina Hammer's National Provider Identifier (NPI) is 1639634199, issued by NPPES.
Does Dr. Kristina Hammer accept Medicare assignment?
Yes. Dr. Kristina Hammer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristina Hammer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.