Crystal Greene, DNP CRNP
NPI 1689184947 · Adult Health Nurse Practitioner · Glen Burnie, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Greene, DNP CRNP is a Adult Health Nurse Practitioner provider in Glen Burnie, MD (NPI 1689184947).
Provider details
- NPI number
- 1689184947
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP CRNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- R137229 (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 tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 38 |
| Alprazolam | 19 |
| Duloxetine Hcl | 12 |
| Fenofibrate Nanocrystallizedbrand: Fenofibrate | 12 |
| Levetiracetam | 12 |
| Metoprolol Tartrate | 12 |
| Pantoprazole Sodium | 12 |
| Ropinirole Hcl | 12 |
| Simvastatin | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$260 across 12 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
Registry dates
- Enumerated
- 2017-10-01
- Last updated
- 2021-02-04
- Certified
- 2021-02-04
Frequently asked questions
- What is Crystal Greene's NPI number?
- Crystal Greene's National Provider Identifier (NPI) is 1689184947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Greene's specialty?
- Crystal Greene is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Crystal Greene located?
- Crystal Greene's practice location on file with NPPES is 2 Crain Hwy S, Glen Burnie, MD 21061-3526.
- What is Crystal Greene's phone number?
- The practice phone number listed in the NPPES registry for Crystal Greene is (410) 281-2566.
- Does Crystal Greene accept Medicare?
- Crystal Greene is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Greene's NPI active?
- Yes — Crystal Greene's NPI (1689184947) is active in the NPPES registry as of the last update on 2021-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.