Doctor profile · Federal record

Dr. Tammy Grisham, NP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Port St Lucie, FL

  • NPI 1619489473
  • 9 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
714 Nw Leonardo Cir
Port St Lucie, FL 349864354
(954) 448-3913
Additional location
725 N 12Th Ave Bldg B
Arcadia, FL 342668752
(863) 494-1242
fax (863) 999-0108

Credentials & registration

NPPES · NUCC
NPI registered
November 2017 — 9 yrs on file
Profile last updated
June 18, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Florida #9203521

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619489473. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,087
Distinct HCPCS
5
Medicare allowed
$113,401
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 756 178 $92
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 273 154 $133
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 28 11 $65
99496 Transitional care management services for problem of high complexity 19 19 $237
99316 Nursing facility discharge management, more than 30 minutes 11 11 $114

In context: peer comparison

Among 22 peers in this city , average services per provider: 113. This provider delivers 9.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$44
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, Inc. 2 $44.12

By nature of payment

Food and Beverage
$44

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
258
Patients
12
Total drug cost
$14,795
Drug Type Claims Patients Total cost
Furosemide Generic 38 12 $207
Levothyroxine Sodium Generic 28 0 $292
Lactulose Generic 24 0 $398
Metoprolol Tartrate Generic 21 0 $299
Atorvastatin Calcium Generic 17 0 $217
Eliquis (Apixaban) Brand 15 0 $11,508
Ondansetron Hcl Generic 15 0 $211
Omeprazole Generic 14 0 $236
Tramadol Hcl Generic 14 0 $87
Montelukast Sodium Generic 13 0 $339

Frequently asked questions

Auto-generated from federal data
What is Dr. Tammy Grisham's medical specialty?
Dr. Tammy Grisham practices Family Nurse Practitioner in Port St Lucie, FL.
Where does Dr. Tammy Grisham practice?
Dr. Tammy Grisham practices at 714 Nw Leonardo Cir, Port St Lucie, FL 349864354. Office phone: 9544483913.
What is Dr. Tammy Grisham's NPI?
Dr. Tammy Grisham's National Provider Identifier (NPI) is 1619489473, issued by NPPES.
Does Dr. Tammy Grisham accept Medicare assignment?
Dr. Tammy Grisham does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Tammy Grisham commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.