Haley Diamond, APRN
NPI 1518632496 · Nurse Practitioner · Annapolis, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Haley Diamond, APRN is a Nurse Practitioner provider in Annapolis, MD (NPI 1518632496).
Provider details
- NPI number
- 1518632496
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- R266473 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 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
336 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 160 | $107 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 70 | $71 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 61 | $102 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 45 | $45 |
Typical Medicare-allowed amounts for these services range $45–$107 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-08-12
- Last updated
- 2025-11-10
- Certified
- 2025-11-10
Frequently asked questions
- What is Haley Diamond's NPI number?
- Haley Diamond's National Provider Identifier (NPI) is 1518632496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Haley Diamond's specialty?
- Haley Diamond is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Haley Diamond located?
- Haley Diamond's practice location on file with NPPES is 2001 Medical Pkwy, Annapolis, MD 21401-3773.
- What is Haley Diamond's phone number?
- The practice phone number listed in the NPPES registry for Haley Diamond is (443) 481-1000.
- Does Haley Diamond accept Medicare?
- Haley Diamond is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Haley Diamond's NPI active?
- Yes — Haley Diamond's NPI (1518632496) is active in the NPPES registry as of the last update on 2025-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.