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Edit this profileGregory A. Marolf, MD practices family medicine in Largo, FL. Gregory is a 1995 graduate of University of Florida College of Medicine. According to Medicare claims data, Gregory cared for 1,416 Medicare patients across 1,645 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, detection test by immunoassay with direct visual observation for influenza virus, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1336258326.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
13670 WALSINGHAM RD
Largo, FL 33774
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
1,645 services · 1,416 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
44 | More often than most peers in Family Medicine |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
26 | More often than most peers in Family Medicine |
| X-ray of knee, 4 or more views | Imaging | 73564 |
19 | As often as other peers in Family Medicine |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
12 | Less often than most peers in Family Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
19 | Less often than most peers in Family Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
512 | More than most peers in Family Medicine |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
320 | More than most peers in Family Medicine |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
263 | More than most peers in Family Medicine |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
207 | More than most peers in Family Medicine |
| Automated urinalysis test | Lab test | 81003 |
123 | More than most peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Marolf is a family doctor in Largo, FL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Dr. Marolf is listed at 13670 Walsingham Rd, Largo, FL 33774. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (727) 593-9848. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Marolf's National Provider Identifier is 1336258326. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Marolf attended University of Florida College of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
Dr. Marolf has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Marolf performs imaging including x-ray of chest, 2 views and x-ray of wrist, minimum of 3 views; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marolf. If this is you, claiming it is free.
Guide.md
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