John Keaney, M.D.
NPI 1588640437 · Cardiovascular Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Keaney, M.D. is a Cardiovascular Disease Physician provider in Boston, MA (NPI 1588640437).
Provider details
- NPI number
- 1588640437
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 70338 (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
20 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
693 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 212 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $139 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 74 | $101 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 54 | $135 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 47 | $8 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 161 | 49 |
| Metoprolol Succinate | 90 | 29 |
| Apixabanbrand: Eliquis | 58 | 18 |
| Losartan Potassium | 54 | 19 |
| Amlodipine Besylate | 50 | 22 |
| Hydrochlorothiazide | 45 | 17 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Additional practice locations (1)
- 55 Fruit StBoston, MA 02114-2696Phone: (617) 726-2000
Registry dates
- Enumerated
- 2005-12-21
- Last updated
- 2022-11-09
- Certified
- 2022-11-09
Frequently asked questions
- What is John Keaney's NPI number?
- John Keaney's National Provider Identifier (NPI) is 1588640437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Keaney's specialty?
- John Keaney is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Keaney located?
- John Keaney's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6106.
- What is John Keaney's phone number?
- The practice phone number listed in the NPPES registry for John Keaney is (617) 732-7382.
- Does John Keaney accept Medicare?
- John Keaney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Keaney's NPI active?
- Yes — John Keaney's NPI (1588640437) is active in the NPPES registry as of the last update on 2022-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.