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DR. HILLARY TASSIN M.D.
NPI 1376778035
Internal Medicine - Cardiovascular Disease in Naples, FL

Active since May 26, 2009PECOS EnrolledAccepts Medicare Assignment
92.62/100
CMS Quality Rating
625 9TH ST N STE 104, NAPLES, FL 34102(239) 963-9788(239) 963-9771 Get Directions Write a Review

NPPES record last updated: January 11, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Aug 11, 2017, Apr 25, 2017 and 1 more (4 updates tracked since 2016).

About Dr. Hillary Tassin M.d. NPPES

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

DR. HILLARY TASSIN M.D. (NPI 1376778035) is an individual cardiovascular disease provider in Naples, Florida, licensed in Florida (ME127216) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Naples Community Hospital, and is a graduate of University Of Florida College Of Medicine (2009).

NPPES Registry Identity

NPI1376778035
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameDR. HILLARY TASSINCredential: M.D.
Location Address625 9TH ST N STE 104Naples, FL 34102-8143
Mailing Address625 9th St N Ste 104Naples, FL 34102-8143 · (239) 963-9788 · Fax (239) 963-9771
Phone(239) 963-9788
Fax(239) 963-9771
Sole ProprietorNo
Medical School CMSUniversity Of Florida College Of MedicineGraduated 2009
Enumeration DateMay 26, 2009
Last NPPES UpdateJanuary 11, 20244 updates tracked since enumeration
NPPES CertifiedJanuary 11, 2024
✔ NPI 1376778035 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in FL · ME127216
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
625 9TH ST N STE 104, Naples, FL 34102
Open in Google Maps ↗

Other Identifiers 2

OtherC7CQJFL · Bcbs Fl
OtherIT159ZFL · Medicare

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

Dr. Hillary Tassin M.d. 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 ID3870721608
PECOS Enrollment IDI20161110001919
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 Reassignment

Medicare enrollment records show Hillary Tassin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Naples Concierge Cardiology And Internal Medicine, LLC
Same address
Cardiovascular Disease
625 9TH ST N, SUITE 104
Naples, FL 34102
  • Reassigned Medicare billing, Florida enrollment
  • 2 clinicians in this Medicare group
NPI 1063086601 (239) 963-9788

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 6

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.

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.
138 services68 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
90 services70 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
89 services56 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
38 services38 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
25 services20 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
20 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Naples Community Hospital

Acute Care Hospitals · Naples, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100018
Location350 7th St NNaples, FL 34102 · Collier County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34102 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
$135.56 typical visit price
range $58.56 – $179.05
Typical copayment $33.89 (range $14.64 – $44.76)
Most-billed visit code 99204
Established Patient
$73.00 typical visit price
range $18.44 – $144.68
Typical copayment $18.25 (range $4.61 – $36.17)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.24
Promoting Interoperability100
Improvement Activities40

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 Hillary Tassin's NPI number?

The NPI number for Hillary Tassin is 1376778035. It was assigned to this individual provider in the NPPES registry on May 26, 2009.

Where is Hillary Tassin located?

Hillary Tassin practices at 625 9th St N Ste 104, Naples, FL 34102. The listed phone number is (239) 963-9788.

What is Hillary Tassin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Hillary Tassin enrolled in Medicare?

Yes. Hillary Tassin 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.

Which organization bills Medicare for Hillary Tassin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hillary Tassin reassigns Medicare benefits to Naples Concierge Cardiology And Internal Medicine, LLC (Naples, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hillary Tassin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Hillary Tassin affiliated with any hospitals?

According to CMS data, Hillary Tassin is affiliated with Naples Community Hospital.

When was this NPI record last updated?

The NPPES record for Hillary Tassin was last updated on January 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.