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

Q: 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.

Q: What is Teresa Hamatto's specialty?

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

Q: 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 4 months 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.

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: October 25, 2026.

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

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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

Phone(727) 593-9848

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

Open in Google Maps ↗

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Cigna HealthCare of Florida, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignments

Medicare enrollment records show Teresa Hamatto reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Baycare Urgent Care, LLC

Same address

General Practice

13670 WALSINGHAM RD
Largo, FL 33774

Reassigned Medicare billing, Florida enrollment
128 clinicians in this Medicare group

NPI 1184677007 (727) 593-9848

Fl- I Medical Services PA

7.2 mi

Physician Assistant

18167 US HIGHWAY 19 N, SUITE 650
Clearwater, FL 33764

Reassigned Medicare billing, Florida enrollment
210 clinicians in this Medicare group

NPI 1881951507 (727) 507-8874

Baycare Medical Group, Inc.

9.1 mi

General Practice

2995 DREW ST FL 2
Clearwater, FL 33759

Reassigned Medicare billing, Florida enrollment
2,009 clinicians in this Medicare group

NPI 1043269871 (727) 281-9065

Bayside Emergency Physicians PA

13 mi

Emergency Medicine

1200 7TH AVE N
St Petersburg, FL 33705

Reassigned Medicare billing, Florida enrollment
38 clinicians in this Medicare group

NPI 1396171518 (727) 825-1100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

RADICA SINGH APRN

Nurse Practitioner (Primary Care)