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Edit this profileAt a glance
- 285 E Main St, Smithtown, NY 11787
About Diane Grassi
Listed in the NPI registry as a nurse practitioner — adult health, Diane Grassi, NP practices in Smithtown, NY. Diane graduated from State University of New York at Stony Brook, School of Medicine in 2016. Diane is also listed as specializing in nurse practitioner — gerontology. According to Medicare claims data, Diane cared for 143 Medicare patients across 339 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. NPI 1063917136 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (631) 656-0874
- Email not available
Practice Locations
285 E MAIN ST
Smithtown, NY 11787
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Adult Health generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone health
Brain & nerves
Digestive
Digestive health
Eye issues
Foot & ankle
General health
Heart
Heart & circulation
Hormones & endocrine
Infections
Joints & bones
Men's health
Mental health
Pain
Pain & musculoskeletal
Respiratory
Sexual health
Skin
Skin & hair
Skin & nails
Skin issues
Sleep
Urinary
Weight management
Women's health
Procedures & services
Acute care
Care coordination
Clinical exams
Diagnostics
Endocrine
Heart health
- Cholesterol and Lipid Blood Panel
- Blood Pressure Check
- Heart monitor
Medication management
Men's health
Mental health
Minor procedures
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
- Skin biopsy
- Skin Tag Removal
- Wart Removal
- Wound care and dressing
Preventive care
- Travel health clinic and vaccines
- Colon cancer screening consult
- Medicare wellness visit
- Smoking cessation counseling
Screenings & tests
Sexual health
Skin care
Telehealth
Urgent care
Weight management
Most searched procedures
Allergy & immunology
Diabetes care
Digestive
- H. Pylori Breath Test
Ear care
Heart & circulation
- EKG
Injections
Occupational health
Pain & wellness
Pain management
Respiratory care
- Breathing Treatment
- Spirometry
Senior care
- Cognitive and memory screening
- Fall risk assessment
Sleep
Women's health
Procedures Most Often Billed to Medicare
339 services · 143 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
339 | More than most peers in Nurse Practitioner, Adult |
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.
Related specialists at this location 1
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.
Other nurse practitioners in Smithtown 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at State University of New York at Stony Brook, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at State University of New York at Stony Brook, School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Diane Grassi specialize in?
Diane Grassi is a nurse practitioner in Smithtown, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Adult Health”.
NPI registry
Where is Diane Grassi located?
Diane Grassi is listed at 285 E Main St, Smithtown, NY 11787. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Diane Grassi's phone number?
The number on file is (631) 656-0874. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Diane Grassi's NPI number?
Diane Grassi's National Provider Identifier is 1063917136. 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 Diane Grassi train?
Diane Grassi attended State University of New York at Stony Brook, School of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Diane Grassi been practicing?
Diane Grassi has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Diane Grassi do most often?
According to Medicare billing data, Diane Grassi the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Diane Grassi confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Diane Grassi. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.