Gregory Glass, MD
NPI 1558353896 · Family Medicine Physician · Mount Holly, NC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Glass, MD is a Family Medicine Physician provider in Mount Holly, NC (NPI 1558353896).
Provider details
- NPI number
- 1558353896
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 9401198 (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
20 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
1,602 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 | 379 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 238 | $84 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 228 | $167 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 179 | $59 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 130 | $45 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 173 | 38 |
| Levothyroxine Sodium | 104 | 44 |
| Omeprazole | 95 | 37 |
| Atorvastatin Calcium | 95 | 38 |
| Hydrochlorothiazide | 79 | 25 |
| Amlodipine Besylate | 78 | 32 |
| Tramadol Hcl | 78 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$203 across 11 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
- 2005-08-22
- Last updated
- 2024-06-10
- Certified
- 2024-06-10
Frequently asked questions
- What is Gregory Glass's NPI number?
- Gregory Glass's National Provider Identifier (NPI) is 1558353896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Glass's specialty?
- Gregory Glass is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Glass located?
- Gregory Glass's practice location on file with NPPES is 125 W Catawba Ave, Mount Holly, NC 28120-1601.
- What is Gregory Glass's phone number?
- The practice phone number listed in the NPPES registry for Gregory Glass is (704) 827-3014.
- Does Gregory Glass accept Medicare?
- Gregory Glass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Glass's NPI active?
- Yes — Gregory Glass's NPI (1558353896) is active in the NPPES registry as of the last update on 2024-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.