Joseph Diamond, M.D.
NPI 1780832774 · Neurology Physician · Great Neck, NY
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Diamond, M.D. is a Neurology Physician provider in Great Neck, NY (NPI 1780832774).
Provider details
- NPI number
- 1780832774
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME109864 (FL)
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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
582 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 236 | $191 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 176 | $131 |
| Critical Care, First 30-74 Minutes99291 | 92 | $237 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 46 | $196 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 19 | $87 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-03
- Last updated
- 2015-09-03
Frequently asked questions
- What is Joseph Diamond's NPI number?
- Joseph Diamond's National Provider Identifier (NPI) is 1780832774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Diamond's specialty?
- Joseph Diamond is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Diamond located?
- Joseph Diamond's practice location on file with NPPES is 170 Great Neck Rd, Great Neck, NY 11021-3357.
- What is Joseph Diamond's phone number?
- The practice phone number listed in the NPPES registry for Joseph Diamond is (516) 487-4464.
- Does Joseph Diamond accept Medicare?
- Joseph Diamond is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Diamond's NPI active?
- Yes — Joseph Diamond's NPI (1780832774) is active in the NPPES registry as of the last update on 2015-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.