Stephen Murphy, MD
NPI 1003845611 · Internal Medicine Physician · North Reading, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Murphy, MD is a Internal Medicine Physician provider in North Reading, MA (NPI 1003845611).
Provider details
- NPI number
- 1003845611
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 47892 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,290 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 405 | $99 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 204 | $141 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 190 | $21 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 142 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 125 | $139 |
| Face-To-Face Behavioral Counseling for Obesity, 15 MinutesG0447 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 73 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 366 | 101 |
| Lisinopril | 338 | 85 |
| Simvastatin | 161 | 44 |
| Amlodipine Besylate | 148 | 37 |
| Levothyroxine Sodium | 147 | 39 |
| Metoprolol Succinate | 144 | 38 |
| Metformin Hcl | 117 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$231 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2012-03-27
Frequently asked questions
- What is Stephen Murphy's NPI number?
- Stephen Murphy's National Provider Identifier (NPI) is 1003845611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Murphy's specialty?
- Stephen Murphy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Murphy located?
- Stephen Murphy's practice location on file with NPPES is 21 Main St, North Reading, MA 01864.
- What is Stephen Murphy's phone number?
- The practice phone number listed in the NPPES registry for Stephen Murphy is (978) 664-1610.
- Does Stephen Murphy accept Medicare?
- Stephen Murphy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Murphy's NPI active?
- Yes — Stephen Murphy's NPI (1003845611) is active in the NPPES registry as of the last update on 2012-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.