Doctor profile · Federal record

Dr. Isabel Guerrero, MD

Infectious Disease Physician (CMS: Infectious Disease) · Toms River, NJ

  • NPI 1568456580
  • 54 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25 Mule RD, Suite B1
Toms River, NJ 087555035
(732) 286-2565
fax (732) 286-7669

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
March 7, 2008
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
New Jersey #MA39476
Medicaid
NJ #3192407

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568456580. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
206
Distinct HCPCS
4
Medicare allowed
$22,492
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 102 43 $81
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 54 53 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 25 15 $92
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 25 23 $181

In context: peer comparison

Among 2 peers in Toms River Infectious Disease Physician, average services per provider: 259. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$378
Transactions
14
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 2 $169.99
Abbvie INC. 9 $161.61
Merck Sharp & Dohme LLC 3 $45.94

By nature of payment

Food and Beverage
$208
Education
$170

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
329
Patients
14
Total drug cost
$1,176,798
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 108 14 $443,028
Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) Brand 79 0 $320,744
Triumeq (Abacavir/Dolutegravir/Lamivudi) Brand 37 0 $142,954
Juluca (Dolutegravir/Rilpivirine) Brand 33 0 $118,513
Rosuvastatin Calcium Generic 16 0 $168
Stribild (Elviteg/Cob/Emtri/Tenofo Disop) Brand 12 0 $52,979
Dovato (Dolutegravir Sodium/Lamivudine) Brand 11 0 $33,608
Isentress (Raltegravir Potassium) Brand 11 0 $22,655
Odefsey (Emtricitab/Rilpiviri/Tenof Ala) Brand 11 0 $41,992
Valacyclovir (Valacyclovir Hcl) Brand 11 0 $158

Frequently asked questions

Auto-generated from federal data
What is Dr. Isabel Guerrero's medical specialty?
Dr. Isabel Guerrero practices Infectious Disease Physician in Toms River, NJ.
Where does Dr. Isabel Guerrero practice?
Dr. Isabel Guerrero practices at 25 Mule RD, Toms River, NJ 087555035. Office phone: 7322862565.
What is Dr. Isabel Guerrero's NPI?
Dr. Isabel Guerrero's National Provider Identifier (NPI) is 1568456580, issued by NPPES.
Does Dr. Isabel Guerrero accept Medicare assignment?
Dr. Isabel Guerrero does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Isabel Guerrero commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.