Diane Marchesani, D.O.
NPI 1780882225 · Infectious Disease Physician · Neptune, NJ
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Marchesani, D.O. is a Infectious Disease Physician provider in Neptune, NJ (NPI 1780882225).
Provider details
- NPI number
- 1780882225
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 2009032716 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
986 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 322 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 308 | $83 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 195 | $181 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 63 | $52 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 89 | 15 |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 70 | — |
| Cefadroxil | 27 | 12 |
| Abacavir/Dolutegravir/Lamivudibrand: Triumeq | 25 | — |
| Amlodipine Besylate | 25 | — |
| Elviteg/Cob/Emtri/Tenof Alafenbrand: Genvoya | 24 | — |
| Oxycodone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$281 across 17 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1828 W Lake AveNeptune, NJ 07753-4663Phone: (732) 869-5702Fax: (732) 869-5786
Registry dates
- Enumerated
- 2007-07-05
- Last updated
- 2022-09-20
- Certified
- 2022-09-20
Frequently asked questions
- What is Diane Marchesani's NPI number?
- Diane Marchesani's National Provider Identifier (NPI) is 1780882225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Marchesani's specialty?
- Diane Marchesani is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Diane Marchesani located?
- Diane Marchesani's practice location on file with NPPES is 19 Davis Ave Fl 6, Neptune, NJ 07753-4488.
- What is Diane Marchesani's phone number?
- The practice phone number listed in the NPPES registry for Diane Marchesani is (732) 897-3995.
- Does Diane Marchesani accept Medicare?
- Diane Marchesani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Marchesani's NPI active?
- Yes — Diane Marchesani's NPI (1780882225) is active in the NPPES registry as of the last update on 2022-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.