Catherine Gardiner, MD
NPI 1922666288 · Sports Medicine (Internal Medicine) Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Gardiner, MD is a Sports Medicine (Internal Medicine) Physician provider in Boston, MA (NPI 1922666288).
Provider details
- NPI number
- 1922666288
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 291472 (MA)
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
7 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
172 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 78 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $102 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 29 | $152 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $69 |
Typical Medicare-allowed amounts for these services range $17–$152 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 60 | 27 |
| Atorvastatin Calcium | 58 | 29 |
| Lisinopril | 41 | 20 |
| Losartan Potassium | 38 | 14 |
| Rosuvastatin Calcium | 30 | 11 |
| Oxycodone Hcl | 27 | — |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-03
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Catherine Gardiner's NPI number?
- Catherine Gardiner's National Provider Identifier (NPI) is 1922666288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Gardiner's specialty?
- Catherine Gardiner is listed in the NPPES registry with a primary specialty of Sports Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Gardiner located?
- Catherine Gardiner's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Catherine Gardiner's phone number?
- The practice phone number listed in the NPPES registry for Catherine Gardiner is (617) 355-6000.
- Does Catherine Gardiner accept Medicare?
- Catherine Gardiner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Gardiner's NPI active?
- Yes — Catherine Gardiner's NPI (1922666288) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.