Walter Nalesnik, MD
NPI 1376616029 · Internal Medicine Physician · Lynn, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Nalesnik, MD is a Internal Medicine Physician provider in Lynn, MA (NPI 1376616029).
Provider details
- NPI number
- 1376616029
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- S3680 (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
19 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
1,836 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 | 614 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 541 | $84 |
| 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 | 308 | $16 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 255 | $15 |
| Transitional Care Management Services for Problem of High Complexity99496 | 36 | $246 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 712 | 191 |
| Lisinopril | 366 | 102 |
| Metoprolol Succinate | 339 | 96 |
| Omeprazole | 320 | 94 |
| Amlodipine Besylate | 293 | 88 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 277 | 71 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-17
- Last updated
- 2007-07-10
Frequently asked questions
- What is Walter Nalesnik's NPI number?
- Walter Nalesnik's National Provider Identifier (NPI) is 1376616029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Nalesnik's specialty?
- Walter Nalesnik is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Nalesnik located?
- Walter Nalesnik's practice location on file with NPPES is 225 Boston Street, Lynn, MA 01904.
- What is Walter Nalesnik's phone number?
- The practice phone number listed in the NPPES registry for Walter Nalesnik is (781) 595-9581.
- Does Walter Nalesnik accept Medicare?
- Walter Nalesnik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Nalesnik's NPI active?
- Yes — Walter Nalesnik's NPI (1376616029) is active in the NPPES registry as of the last update on 2007-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.