Gregory Small, MD
NPI 1629237789 · Internal Medicine Physician · Timonium, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Small, MD is a Internal Medicine Physician provider in Timonium, MD (NPI 1629237789).
Provider details
- NPI number
- 1629237789
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D72359 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,395 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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 371 | $134 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 287 | $97 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 139 | $83 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 101 | $15 |
| Administration of Influenza Virus VaccineG0008 | 101 | $34 |
| Admn Sarscov2 Vacc 1 Dose90480 | 78 | $44 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 872 | 257 |
| Lisinopril | 339 | 105 |
| Amlodipine Besylate | 339 | 100 |
| Rosuvastatin Calcium | 263 | 82 |
| Losartan Potassium | 248 | 73 |
| Hydrochlorothiazide | 245 | 80 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-04
- Last updated
- 2025-09-23
- Certified
- 2025-09-23
Frequently asked questions
- What is Gregory Small's NPI number?
- Gregory Small's National Provider Identifier (NPI) is 1629237789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Small's specialty?
- Gregory Small is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Small located?
- Gregory Small's practice location on file with NPPES is 1 Texas Station Court, Timonium, MD 21093.
- What is Gregory Small's phone number?
- The practice phone number listed in the NPPES registry for Gregory Small is (410) 683-3380.
- Does Gregory Small accept Medicare?
- Gregory Small is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Small's NPI active?
- Yes — Gregory Small's NPI (1629237789) is active in the NPPES registry as of the last update on 2025-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.