John Darnell, CRNA
NPI 1144577172 · Certified Registered Nurse Anesthetist · Marietta, OH
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Darnell, CRNA is a Certified Registered Nurse Anesthetist provider in Marietta, OH (NPI 1144577172).
Provider details
- NPI number
- 1144577172
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3007596 (KY)
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 tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
131 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 30 | $93 |
| Anesthesia for Fragmenting, Manipulation And/Or Removal of Kidney Stone Including Use of an Endoscope00918 | 25 | $190 |
| Anesthesia for Other Procedure on Urinary System Through Urethra00910 | 24 | $116 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 22 | $96 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 19 | $66 |
| Anesthesia for Extensive Surgery on Spine00670 | 11 | $586 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$201 across 10 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
Additional practice locations (1)
- 1106 Colegate DrMarietta, OH 45750-1323Phone: (740) 568-2000Fax: (740) 568-2094
Registry dates
- Enumerated
- 2012-08-09
- Last updated
- 2022-02-21
- Certified
- 2022-02-21
Frequently asked questions
- What is John Darnell's NPI number?
- John Darnell's National Provider Identifier (NPI) is 1144577172, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Darnell's specialty?
- John Darnell is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Darnell located?
- John Darnell's practice location on file with NPPES is 401 Matthew St, Marietta, OH 45750-1635.
- What is John Darnell's phone number?
- The practice phone number listed in the NPPES registry for John Darnell is (740) 376-1994.
- Does John Darnell accept Medicare?
- John Darnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Darnell's NPI active?
- Yes — John Darnell's NPI (1144577172) is active in the NPPES registry as of the last update on 2022-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.