Aaron Zewatsky, CRNA
NPI 1780831594 · Certified Registered Nurse Anesthetist · Oakland, MD
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Zewatsky, CRNA is a Certified Registered Nurse Anesthetist provider in Oakland, MD (NPI 1780831594).
Provider details
- NPI number
- 1780831594
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- R183054 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
158 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 53 | $152 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 37 | $149 |
| Injection of Anesthetic Agent And/Or Steroid Into Other Nerve Or Branch64450 | 20 | $26 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 19 | $49 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 16 | $175 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 13 | $147 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-22
- Last updated
- 2015-09-11
Frequently asked questions
- What is Aaron Zewatsky's NPI number?
- Aaron Zewatsky's National Provider Identifier (NPI) is 1780831594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Zewatsky's specialty?
- Aaron Zewatsky is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Aaron Zewatsky located?
- Aaron Zewatsky's practice location on file with NPPES is 251 N 4th St, Oakland, MD 21550-1375.
- What is Aaron Zewatsky's phone number?
- The practice phone number listed in the NPPES registry for Aaron Zewatsky is (301) 533-4240.
- Does Aaron Zewatsky accept Medicare?
- Aaron Zewatsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Zewatsky's NPI active?
- Yes — Aaron Zewatsky's NPI (1780831594) is active in the NPPES registry as of the last update on 2015-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.