Crystal Keen, ANP
NPI 1336333897 · Adult Health Nurse Practitioner · Raleigh, NC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Keen, ANP is a Adult Health Nurse Practitioner provider in Raleigh, NC (NPI 1336333897).
Provider details
- NPI number
- 1336333897
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ANP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 186339 (NC)
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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
687 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 388 | $102 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 107 | $6 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 105 | $6 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 54 | $143 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 17 | $11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 312 | 120 |
| Apixabanbrand: Eliquis | 183 | 48 |
| Carvedilol | 162 | 42 |
| Rosuvastatin Calcium | 159 | 62 |
| Losartan Potassium | 151 | 43 |
| Atorvastatin Calcium | 150 | 49 |
| Sacubitril/Valsartanbrand: Entresto |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$296 across 9 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
- 2007-08-28
- Last updated
- 2021-04-01
- Certified
- 2021-04-01
Frequently asked questions
- What is Crystal Keen's NPI number?
- Crystal Keen's National Provider Identifier (NPI) is 1336333897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Keen's specialty?
- Crystal Keen is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Crystal Keen located?
- Crystal Keen's practice location on file with NPPES is 2800 Blue Ridge Rd Ste 204, Raleigh, NC 27607-6477.
- What is Crystal Keen's phone number?
- The practice phone number listed in the NPPES registry for Crystal Keen is (919) 784-3324.
- Does Crystal Keen accept Medicare?
- Crystal Keen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Keen's NPI active?
- Yes — Crystal Keen's NPI (1336333897) is active in the NPPES registry as of the last update on 2021-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.