Howard Zahalsky, M.D
NPI 1376722496 · Internal Medicine Physician · Arlington, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Howard Zahalsky, M.D is a Internal Medicine Physician provider in Arlington, VA (NPI 1376722496).
Provider details
- NPI number
- 1376722496
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 0101055699 (VA)
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
18 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
2,286 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) |
|---|---|---|
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 448 | $43 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 342 | $53 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 275 | $99 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 271 | $9 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 181 | $69 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 239 | 72 |
| Rosuvastatin Calcium | 202 | 59 |
| Levothyroxine Sodium | 148 | 44 |
| Lisinopril | 93 | 29 |
| Amlodipine Besylate | 85 | 25 |
| Metoprolol Succinate | 83 | 25 |
| Olmesartan Medoxomil |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$58 across 3 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
- 2007-10-25
- Last updated
- 2007-10-25
Frequently asked questions
- What is Howard Zahalsky's NPI number?
- Howard Zahalsky's National Provider Identifier (NPI) is 1376722496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Zahalsky's specialty?
- Howard Zahalsky is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Howard Zahalsky located?
- Howard Zahalsky's practice location on file with NPPES is 1715 N George Mason Dr, Arlington, VA 22205-3609.
- What is Howard Zahalsky's phone number?
- The practice phone number listed in the NPPES registry for Howard Zahalsky is (703) 525-4103.
- Does Howard Zahalsky accept Medicare?
- Howard Zahalsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Howard Zahalsky's NPI active?
- Yes — Howard Zahalsky's NPI (1376722496) is active in the NPPES registry as of the last update on 2007-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.