DR. GREGORY A MAROLF MD
NPI 1336258326
Family Medicine in Largo, FL

Active since August 30, 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: March 24, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 24, 2021, Nov 18, 2016 (2 updates tracked since 2016).

About Dr. Gregory A Marolf Md NPPES

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

DR. GREGORY A MAROLF MD (NPI 1336258326) is an individual family medicine provider in Largo, Florida, licensed in Florida (ME76645) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Morton Plant Hospital, and is a graduate of University Of Florida College Of Medicine (1995).

NPPES Registry Identity

NPI1336258326
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. GREGORY A MAROLFCredential: MD
Location Address13670 WALSINGHAM RDLargo, FL 33774-3532
Mailing Address6827 1st Ave S, Suite 200St Petersburg, FL 33707-1242 · (727) 767-0575 · Fax (727) 333-6020
Fax(727) 596-4532
Sole ProprietorNo
Medical School CMSUniversity Of Florida College Of MedicineGraduated 1995
Enumeration DateAugust 30, 2006
Last NPPES UpdateMarch 24, 20212 updates tracked since enumeration
NPPES CertifiedMarch 24, 2021
NPI 1336258326 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in FL · ME76645
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
13670 WALSINGHAM RD, Largo, FL 33774

Other Identifiers 1

Medicaid014308900FL

Accepted Insurance

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

Dr. Gregory A Marolf Md 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 ID7719159490
PECOS Enrollment IDI20111003000472
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 13

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.
512 services465 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
320 services156 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
263 services263 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
207 services201 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
123 services116 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
44 services44 patients

Hospital Affiliations CMS Care Compare

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

Morton Plant Hospital

Acute Care Hospitals · Clearwater, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100127
Location300 Pinellas StClearwater, FL 33756 · Pinellas County
Emergency services Birthing friendly

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
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
Physician Assistant (Medical)
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 Gregory Marolf's NPI number?

The NPI number for Gregory Marolf is 1336258326. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Gregory Marolf located?

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

What is Gregory Marolf's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gregory Marolf enrolled in Medicare?

Yes. Gregory Marolf 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.

What insurance does Gregory Marolf accept?

Health plans from Ambetter Health, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Gregory Marolf as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Marolf affiliated with any hospitals?

According to CMS data, Gregory Marolf is affiliated with Morton Plant Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Marolf was last updated on March 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.