Katherine Mastriani, MD
NPI 1639334824 · Surgery Physician · Charlotte, NC
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Mastriani, MD is a Surgery Physician provider in Charlotte, NC (NPI 1639334824).
Provider details
- NPI number
- 1639334824
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2014-01058 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
238 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 110 | $204 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 57 | $114 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 39 | $76 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 18 | $78 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 14 | $126 |
Typical Medicare-allowed amounts for these services range $76–$204 (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.
Practice location
Mailing address
Additional practice locations (1)
- 1 Hospital DrSuite 4200Asheville, NC 28801-4550Phone: (828) 213-1994
Registry dates
- Enumerated
- 2008-07-28
- Last updated
- 2026-06-05
- Certified
- 2026-06-05
Frequently asked questions
- What is Katherine Mastriani's NPI number?
- Katherine Mastriani's National Provider Identifier (NPI) is 1639334824, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mastriani's specialty?
- Katherine Mastriani is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Mastriani located?
- Katherine Mastriani's practice location on file with NPPES is 1918 Randolph Rd Ste 300, Charlotte, NC 28207-1112.
- What is Katherine Mastriani's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mastriani is (704) 333-0741.
- Does Katherine Mastriani accept Medicare?
- Katherine Mastriani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Mastriani's NPI active?
- Yes — Katherine Mastriani's NPI (1639334824) is active in the NPPES registry as of the last update on 2026-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.