Ronald Warner, MD
NPI 1558356568 · Internal Medicine Physician · Hyde Park, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Warner, MD is a Internal Medicine Physician provider in Hyde Park, MA (NPI 1558356568).
Provider details
- NPI number
- 1558356568
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 081807 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,595 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 397 | $139 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 331 | $9 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 280 | $79 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 135 | $141 |
| Administration of Influenza Virus VaccineG0008 | 113 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 181 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 865 | 216 |
| Apixabanbrand: Eliquis | 552 | 61 |
| Amlodipine Besylate | 513 | 119 |
| Losartan Potassium | 511 | 119 |
| Metoprolol Succinate | 384 | 85 |
| Furosemide | 331 | 53 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-15
- Last updated
- 2012-10-09
Frequently asked questions
- What is Ronald Warner's NPI number?
- Ronald Warner's National Provider Identifier (NPI) is 1558356568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Warner's specialty?
- Ronald Warner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Warner located?
- Ronald Warner's practice location on file with NPPES is 1337 Hyde Park Ave, Hyde Park, MA 02136-2713.
- What is Ronald Warner's phone number?
- The practice phone number listed in the NPPES registry for Ronald Warner is (617) 364-9880.
- Does Ronald Warner accept Medicare?
- Ronald Warner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Warner's NPI active?
- Yes — Ronald Warner's NPI (1558356568) is active in the NPPES registry as of the last update on 2012-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.