Christianna Bull, CRNP
NPI 1477306603 · Family Nurse Practitioner · Salisbury, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christianna Bull, CRNP is a Family Nurse Practitioner provider in Salisbury, MD (NPI 1477306603).
Provider details
- NPI number
- 1477306603
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R199052 (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 tenure25% of score
2 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
193 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 | 77 | $109 |
| Smoking and Tobacco Use Intensive Counseling, 4-10 Minutes99406 | 53 | $12 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $76 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 11 | $153 |
Typical Medicare-allowed amounts for these services range $12–$153 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 136 | 44 |
| Metformin Hcl | 103 | 23 |
| Amlodipine Besylate | 87 | 24 |
| Omeprazole | 79 | 20 |
| Levothyroxine Sodium | 76 | 18 |
| Lisinopril | 72 | 23 |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$383 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 (4)
- 828 Airpax Rd Ste 600bCambridge, MD 21613-6401Phone: (410) 341-3420
- 7033 Newark HighwayNewark, MD 21841Phone: (410) 341-3420
- 11559 Somerset AvePrincess Anne, MD 21853-1067Phone: (410) 341-3420
- 431 E Main StSalisbury, MD 21804-5018Phone: (410) 341-3420
Registry dates
- Enumerated
- 2024-04-08
- Last updated
- 2024-04-08
- Certified
- 2024-04-04
Frequently asked questions
- What is Christianna Bull's NPI number?
- Christianna Bull's National Provider Identifier (NPI) is 1477306603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christianna Bull's specialty?
- Christianna Bull is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christianna Bull located?
- Christianna Bull's practice location on file with NPPES is 505 E Main St, Salisbury, MD 21804-5020.
- What is Christianna Bull's phone number?
- The practice phone number listed in the NPPES registry for Christianna Bull is (410) 341-3420.
- Does Christianna Bull accept Medicare?
- Christianna Bull is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christianna Bull's NPI active?
- Yes — Christianna Bull's NPI (1477306603) is active in the NPPES registry as of the last update on 2024-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.