Robert Ludwig, MD
NPI 1558368480 · Internal Medicine Physician · Foxboro, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Ludwig, MD is a Internal Medicine Physician provider in Foxboro, MA (NPI 1558368480).
Provider details
- NPI number
- 1558368480
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 222836 (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
866 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 313 | $98 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 210 | $141 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 121 | $139 |
| Administration of Influenza Virus VaccineG0008 | 78 | $35 |
| Admn Sarscov2 Vacc 1 Dose90480 | 36 | $47 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 427 | 118 |
| Amlodipine Besylate | 269 | 75 |
| Lisinopril | 241 | 70 |
| Omeprazole | 186 | 51 |
| Levothyroxine Sodium | 161 | 52 |
| Hydrochlorothiazide | 153 | 43 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2019-11-01
Frequently asked questions
- What is Robert Ludwig's NPI number?
- Robert Ludwig's National Provider Identifier (NPI) is 1558368480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Ludwig's specialty?
- Robert Ludwig is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Ludwig located?
- Robert Ludwig's practice location on file with NPPES is 20 Patriot Pl, Foxboro, MA 02035-1375.
- What is Robert Ludwig's phone number?
- The practice phone number listed in the NPPES registry for Robert Ludwig is (508) 718-4050.
- Does Robert Ludwig accept Medicare?
- Robert Ludwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Ludwig's NPI active?
- Yes — Robert Ludwig's NPI (1558368480) is active in the NPPES registry as of the last update on 2019-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.