Maria Johnston, DNAP, CRNA
NPI 1649357443 · Certified Registered Nurse Anesthetist · Wayne, MI
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Johnston, DNAP, CRNA is a Certified Registered Nurse Anesthetist provider in Wayne, MI (NPI 1649357443).
Provider details
- NPI number
- 1649357443
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNAP, CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- APRN.CRNA.0020289 (OH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
150 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 | 91 | $54 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 24 | $69 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 20 | $68 |
| Anesthesia for Retinal Surgery00145 | 15 | $87 |
Typical Medicare-allowed amounts for these services range $54–$87 (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.
Practice location
Mailing address
Additional practice locations (1)
- 3330 Meijer Dr Ste 2Toledo, OH 43617-3103Phone: (419) 578-2020
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-05-27
- Certified
- 2021-05-27
Frequently asked questions
- What is Maria Johnston's NPI number?
- Maria Johnston's National Provider Identifier (NPI) is 1649357443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Johnston's specialty?
- Maria Johnston is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Johnston located?
- Maria Johnston's practice location on file with NPPES is 33155 Annapolis St, Wayne, MI 48184-2405.
- What is Maria Johnston's phone number?
- The practice phone number listed in the NPPES registry for Maria Johnston is (734) 467-4667.
- Does Maria Johnston accept Medicare?
- Maria Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Johnston's NPI active?
- Yes — Maria Johnston's NPI (1649357443) is active in the NPPES registry as of the last update on 2021-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.