Chad Zik, M.D.
NPI 1134509359 · Internal Medicine Physician · Annandale, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chad Zik, M.D. is a Internal Medicine Physician provider in Annandale, VA (NPI 1134509359).
Provider details
- NPI number
- 1134509359
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0116028024 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
20 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
102 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) |
|---|---|---|
| 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 | 42 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $99 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 24 | $142 |
Typical Medicare-allowed amounts for these services range $18–$142 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydromorphone Hcl | 47 | — |
| Oxycodone Hcl | 33 | — |
| Voxelotorbrand: Oxbryta | 29 | — |
| Oxycodone Hclbrand: Oxycontin | 21 | — |
| Hydroxyurea | 16 | 13 |
| Rosuvastatin Calcium | 14 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen |
Practice location
Mailing address
Additional practice locations (19)
- 8350 Richmond Hwy Ste 233Alexandria, VA 22309-2344Phone: (703) 704-9013Fax: (703) 704-9018
- 4700 King St Ste 100Alexandria, VA 22302-4420Phone: (571) 665-6570Fax: (571) 665-6571
- 4700 King St Ste 100Alexandria, VA 22302-4420Phone: (571) 665-6610Fax: (571) 665-6611
- 18003 Fraley BlvdDumfries, VA 22026-2407Phone: (703) 221-8860Fax: (703) 221-8381
- 2740 Prosperity Ave Ste 200Fairfax, VA 22031-4354Phone: (703) 321-2600Fax: (703) 321-2603
- 2740 Prosperity Ave Ste 100Fairfax, VA 22031-4354Phone: (571) 623-3390Fax: (703) 204-9022
- 6400 Arlington Blvd Ste 200Falls Church, VA 22042-2336Phone: (703) 531-3100Fax: (703) 531-3108
- 6400 Arlington Blvd Ste 210
Registry dates
- Enumerated
- 2015-06-03
- Last updated
- 2022-03-10
- Certified
- 2022-03-10
Frequently asked questions
- What is Chad Zik's NPI number?
- Chad Zik's National Provider Identifier (NPI) is 1134509359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chad Zik's specialty?
- Chad Zik is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chad Zik located?
- Chad Zik's practice location on file with NPPES is 7617 Little River Tpke Ste 850, Annandale, VA 22003-2618.
- What is Chad Zik's phone number?
- The practice phone number listed in the NPPES registry for Chad Zik is (571) 665-6620.
- Does Chad Zik accept Medicare?
- Chad Zik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chad Zik's NPI active?
- Yes — Chad Zik's NPI (1134509359) is active in the NPPES registry as of the last update on 2022-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.