Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. TERESA ANN HAMATTO CRNP
NPI 1083688071
Nurse Practitioner - Family in Largo, FL

Active since February 15, 2006PECOS EnrolledAccepts Medicare Assignment
13670 WALSINGHAM RD, LARGO, FL 33774(727) 593-9848(727) 596-4532 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 13, 2022, Oct 8, 2019 (2 updates tracked since 2019).

About Ms. Teresa Ann Hamatto Crnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. TERESA ANN HAMATTO CRNP (NPI 1083688071) is an individual family provider in Largo, Florida, licensed in Florida (APRN3351872) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1083688071
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. TERESA ANN HAMATTOCredential: CRNP
Location Address13670 WALSINGHAM RDLargo, FL 33774-3532
Mailing Address13670 Walsingham RdLargo, FL 33774-3532 · (727) 593-9848 · Fax (727) 596-4532
Fax(727) 596-4532
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateFebruary 15, 2006
Last NPPES UpdateJune 29, 20262 updates tracked since enumeration
NPPES CertifiedJune 29, 2026
NPI 1083688071 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in FL · APRN3351872
13670 WALSINGHAM RD, Largo, FL 33774

Secondary Practice Locations 3

Location 11200 7th Ave NSt Petersburg, FL 33705 · Phone (727) 825-1497
Location 22001 Medical Pkwy, AAMC - DESPAAnnapolis, MD 21401-3280 · Phone (443) 481-1366
Location 3119 Oakfield DrBrandon, FL 33511-5779 · Phone (813) 681-5551

Other Identifiers 1

Medicaid015085200FL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Teresa Ann Hamatto Crnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931166915
PECOS Enrollment IDI20151021001476
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
106 services103 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
41 services40 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
24 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33774 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Primary Care)
13670 WALSINGHAM RD
LARGO, FL 33774
Family Medicine
13670 WALSINGHAM RD
LARGO, FL 33774
Nurse Practitioner (Family)
13670 WALSINGHAM RD
LARGO, FL 33774
Nurse Practitioner (Family)
13670 WALSINGHAM RD
LARGO, FL 33774
Nurse Practitioner (Family)
13670 WALSINGHAM RD
LARGO, FL 33774
Physician Assistant (Medical)
13670 WALSINGHAM RD
LARGO, FL 33774
Physician Assistant (Medical)
13670 WALSINGHAM RD
LARGO, FL 33774
Family Medicine
13670 WALSINGHAM RD
LARGO, FL 33774

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Teresa Hamatto's NPI number?

The NPI number for Teresa Hamatto is 1083688071. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Teresa Hamatto located?

Teresa Hamatto practices at 13670 Walsingham Rd, Largo, FL 33774. The listed phone number is (727) 593-9848.

What is Teresa Hamatto's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Teresa Hamatto enrolled in Medicare?

Yes. Teresa Hamatto is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Teresa Hamatto was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.