Physician Profile
Unclaimed ProfileAbout PASSARELLI
Based in Pascagoula, MS, William O Passarelli, MD is listed in the NPI registry under cardiovascular disease (cardiology). William graduated from New York Medical College in 1991. William is also listed as specialising in cardiovascular disease.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Passarelli?
Dr. Passarelli is a cardiovascular disease (cardiology) in Pascagoula, MS. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
What is Dr. Passarelli's address?
Dr. Passarelli is listed at 4300 HOSPITAL ST STE 102, Pascagoula, MS 39581. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Passarelli?
The number on file is (228) 762-1002. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Passarelli?
Dr. Passarelli's National Provider Identifier is 1285653113. 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
Where did Dr. Passarelli train?
Dr. Passarelli attended New York Medical College, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Passarelli have?
Dr. Passarelli has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Passarelli perform?
According to Medicare billing data, Dr. Passarelli performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Passarelli's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Passarelli. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (228) 762-1002
- Email not available
Practice Locations
4300 HOSPITAL ST STE 102
Pascagoula, MS 39581
Procedures Most Often Billed to Medicare
7,889 services · 4,371 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
456 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
181 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
573 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
483 |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
247 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
165 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
152 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
143 |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
113 |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
86 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 26 related providers in 4 groups
Other cardiovascular diseases in Pascagoula 2
Same specialty, same city.
Trained at New York Medical College 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at New York Medical College 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MS who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.