Doctor profile · Federal record

Dr. Kirsten Nathan

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Fort Pierce, FL

  • NPI 1033646757
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1700 S 23Rd St
Fort Pierce, FL 349504803
(772) 461-4000
Mailing address
1170 Sw Chapman Way Unit 105
Palm City, FL 349902461

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
October 3, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Florida #16750 · Nevada #SL1224

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033646757. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
620
Distinct HCPCS
5
Medicare allowed
$60,712
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 362 165 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 149 76 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 55 55 $170
99239 Hospital discharge day management, more than 30 minutes 43 43 $112
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $127

In context: peer comparison

Among 9 peers in Fort Pierce Internal Medicine Physician, average services per provider: 215. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 1 $17.87

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
18
Patients
17
Total drug cost
$165
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 18 17 $165

Frequently asked questions

Auto-generated from federal data
What is Dr. Kirsten Nathan's medical specialty?
Dr. Kirsten Nathan practices Internal Medicine Physician in Fort Pierce, FL.
Where does Dr. Kirsten Nathan practice?
Dr. Kirsten Nathan practices at 1700 S 23Rd St, Fort Pierce, FL 349504803. Office phone: 7724614000.
What is Dr. Kirsten Nathan's NPI?
Dr. Kirsten Nathan's National Provider Identifier (NPI) is 1033646757, issued by NPPES.
Does Dr. Kirsten Nathan accept Medicare assignment?
Yes. Dr. Kirsten Nathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kirsten Nathan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.