Crystal Wallace, NP-C
NPI 1629550496 · Nurse Practitioner · Hattiesburg, MS
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Wallace, NP-C is a Nurse Practitioner provider in Hattiesburg, MS (NPI 1629550496).
Provider details
- NPI number
- 1629550496
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 902669 (MS)
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
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,054 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 252 | $69 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 129 | $98 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 98 | $11 |
| Analysis for Antibody to Mycoplasma (bacteria)86738 | 81 | $13 |
| White Blood Cell Count85004 | 80 | $6 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 75 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 122 | 115 |
| Azithromycin | 96 | 92 |
| Doxycycline Hyclate | 84 | 80 |
| Prednisone | 70 | 70 |
| Mupirocin | 45 | 45 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 43 | 43 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$104 across 6 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 (2)
- 106 Asbury CirHattiesburg, MS 39402-1302Phone: (601) 268-8698
- 50 Parkway Ln Ste BPetal, MS 39465-3035Phone: (601) 705-2897
Registry dates
- Enumerated
- 2018-08-29
- Last updated
- 2025-06-02
- Certified
- 2025-06-02
Frequently asked questions
- What is Crystal Wallace's NPI number?
- Crystal Wallace's National Provider Identifier (NPI) is 1629550496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Wallace's specialty?
- Crystal Wallace is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Crystal Wallace located?
- Crystal Wallace's practice location on file with NPPES is 7148 U S Highway 98 Ste 102, Hattiesburg, MS 39402-9133.
- What is Crystal Wallace's phone number?
- The practice phone number listed in the NPPES registry for Crystal Wallace is (601) 475-8270.
- Does Crystal Wallace accept Medicare?
- Crystal Wallace is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Wallace's NPI active?
- Yes — Crystal Wallace's NPI (1629550496) is active in the NPPES registry as of the last update on 2025-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.