DAVID A ROCK CRNA
NPI 1780761221
Nurse Anesthetist, Certified Registered in Pittsburgh, PA
About David A Rock Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID A ROCK CRNA (NPI 1780761221) is an individual nurse anesthetist, certified registered in Pittsburgh, Pennsylvania, licensed in Pennsylvania (RN533508) and active in the NPI registry since November 2006. He is affiliated with Clarion Hospital and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
David A Rock Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show David Rock reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wexford, PA 15090
- Reassigned Medicare billing, Pennsylvania enrollment
- 21 clinicians in this Medicare group
Evans City, PA 16033
- Reassigned Medicare billing, Pennsylvania enrollment
- 482 clinicians in this Medicare group
Butler, PA 16001
- Reassigned Medicare billing, Pennsylvania enrollment
- 52 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Clarion Hospital
Acute Care Hospitals · Clarion, PAButler Memorial Hospital
Acute Care Hospitals · Butler, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PITTSBURGH, PA 15224
PITTSBURGH, PA 15224
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Rock's NPI number?
The NPI number for David Rock is 1780761221. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is David Rock located?
David Rock practices at 4800 Friendship Ave, Pittsburgh, PA 15224. The listed phone number is (412) 578-5323.
What is David Rock's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is David Rock enrolled in Medicare?
Yes. David Rock is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Rock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Rock reassigns Medicare benefits to 3 organizations: Nomadic Anesthesia Professionals PLLC (Wexford, PA), Butler Medical Providers (Evans City, PA) and Butler Anesthesia Associates, P.C. (Butler, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Rock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is David Rock affiliated with any hospitals?
According to CMS data, David Rock is affiliated with Clarion Hospital and Butler Memorial Hospital.
When was this NPI record last updated?
The NPPES record for David Rock was last updated on November 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# David A Rock, CRNA · NPI 1780761221
Nurse Anesthetist, Certified Registered physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1780761221 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN533508 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 4800 FRIENDSHIP AVE, Pittsburgh, PA 15224-1722
- **Phone:** (412) 578-5323
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Nomadic Anesthesia Professionals PLLC (NPI 1487462735, Wexford, PA); Butler Medical Providers (NPI 1578999884, Evans City, PA); Butler Anesthesia Associates, P.C. (NPI 1154350981, Butler, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** November 27, 2007
- **Other identifiers:** Medicare PIN 108364U31 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1780761221) · Data from the CMS NPPES public registry.