Crystal Maddox, M.D.
NPI 1942520937 · Family Medicine Physician · Gastonia, NC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Maddox, M.D. is a Family Medicine Physician provider in Gastonia, NC (NPI 1942520937).
Provider details
- NPI number
- 1942520937
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 2011-01471 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
795 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 | 302 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 128 | $84 |
| Automated Urinalysis Test81003 | 54 | $2 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 54 | $16 |
| Administration of Influenza Virus VaccineG0008 | 45 | $30 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 148 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 515 | 148 |
| Levothyroxine Sodium | 450 | 104 |
| Amlodipine Besylate | 340 | 93 |
| Apixabanbrand: Eliquis | 320 | 55 |
| Furosemide | 318 | 69 |
| Pantoprazole Sodium | 282 | 77 |
| Pravastatin Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$58 across 3 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
- 2010-06-02
- Last updated
- 2023-04-10
- Certified
- 2023-04-10
Frequently asked questions
- What is Crystal Maddox's NPI number?
- Crystal Maddox's National Provider Identifier (NPI) is 1942520937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Maddox's specialty?
- Crystal Maddox is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Crystal Maddox located?
- Crystal Maddox's practice location on file with NPPES is 1895 Hoffman Road, Gastonia, NC 28054-6557.
- What is Crystal Maddox's phone number?
- The practice phone number listed in the NPPES registry for Crystal Maddox is (704) 865-1749.
- Does Crystal Maddox accept Medicare?
- Crystal Maddox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Maddox's NPI active?
- Yes — Crystal Maddox's NPI (1942520937) is active in the NPPES registry as of the last update on 2023-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.