MRS. BONNIE URQUHART GRUENBERG RN CNM CRNP
NPI 1639270150
Advanced Practice Midwife in Ephrata, PA
About Mrs. Bonnie Urquhart Gruenberg Rn Cnm Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. BONNIE URQUHART GRUENBERG RN CNM CRNP (NPI 1639270150) is an individual advanced practice midwife in Ephrata, Pennsylvania, licensed in Pennsylvania (MW010040) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
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
Mrs. Bonnie Urquhart Gruenberg Rn Cnm Crnp 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 Reassignment
Medicare enrollment records show Bonnie Gruenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ephrata, PA 17522
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17522 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EPHRATA, PA 17522
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 Bonnie Gruenberg's NPI number?
The NPI number for Bonnie Gruenberg is 1639270150. It was assigned to this individual provider in the NPPES registry on September 26, 2006.
Where is Bonnie Gruenberg located?
Bonnie Gruenberg practices at 175 Martin Ave Ste 125, Ephrata, PA 17522. The listed phone number is (717) 721-5700.
What is Bonnie Gruenberg's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Bonnie Gruenberg enrolled in Medicare?
Yes. Bonnie Gruenberg 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 organization bills Medicare for Bonnie Gruenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bonnie Gruenberg reassigns Medicare benefits to Wellspan Medical Group (Ephrata, PA). The 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 Bonnie Gruenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Bonnie Gruenberg was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.
# Mrs. Bonnie Urquhart Gruenberg, RN CNM CRNP · NPI 1639270150
Advanced Practice Midwife physician in Ephrata, Pennsylvania. Individual provider, active in the CMS NPPES registry since September 26, 2006.
## Identity
- **NPI:** 1639270150 (Entity type: Individual)
- **Enumerated:** September 26, 2006
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** MW010040 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 175 MARTIN AVE STE 125, Ephrata, PA 17522-1761
- **Phone:** (717) 721-5700 · **Fax:** (717) 715-1296
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Wellspan Medical Group (NPI 1215524913, Ephrata, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** October 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1639270150) · Data from the CMS NPPES public registry.