RICHARD ALSDORF JR. CRNA
NPI 1851389837
Nurse Anesthetist, Certified Registered in Philadelphia, PA
About Richard Alsdorf Jr. Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RICHARD ALSDORF JR. CRNA (NPI 1851389837) is an individual nurse anesthetist, certified registered in Philadelphia, Pennsylvania, licensed in Pennsylvania (RN327554L) and active in the NPI registry since October 2005. He is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Richard Alsdorf Jr. 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
10Medicare enrollment records show Richard Alsdorf reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19107
- Reassigned Medicare billing, Pennsylvania enrollment
- 353 clinicians in this Medicare group
Darby, PA 19023
- Reassigned Medicare billing, Pennsylvania enrollment
- 400 clinicians in this Medicare group
Meadowbrook, PA 19046
- Reassigned Medicare billing, Pennsylvania enrollment
- 63 clinicians in this Medicare group
Chadds Ford, PA 19317
- Reassigned Medicare billing, Pennsylvania enrollment
- 251 clinicians in this Medicare group
Sellersville, PA 18960
- Reassigned Medicare billing, Pennsylvania enrollment
- 63 clinicians in this Medicare group
Bethlehem, PA 18020
- Reassigned Medicare billing, Pennsylvania enrollment
- 28 clinicians in this Medicare group
Bethlehem, PA 18020
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Professional Anesthesia Services Of North America PC
- 177 clinicians in this Medicare group
Hamburg, PA 19526
- Reassigned Medicare billing, Pennsylvania enrollment
- 43 clinicians in this Medicare group
Lancaster, PA 17601
- Reassigned Medicare billing, Pennsylvania enrollment
- 267 clinicians in this Medicare group
Melville, NY 11747
- Reassigned Medicare billing, Pennsylvania enrollment
- 928 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 Richard Alsdorf's NPI number?
The NPI number for Richard Alsdorf is 1851389837. It was assigned to this individual provider in the NPPES registry on October 12, 2005.
Where is Richard Alsdorf located?
Richard Alsdorf practices at 3900 Woodland Ave, Philadelphia, PA 19104. The listed phone number is (215) 823-5800.
What is Richard Alsdorf's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Richard Alsdorf enrolled in Medicare?
Yes. Richard Alsdorf 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 Richard Alsdorf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Alsdorf reassigns Medicare benefits to 10 organizations: Society Hill Anesthesia Consultants, PC (Philadelphia, PA), Northstar Anesthesia Of Pennsylvania, LLC (Darby, PA), Huntingdon Valley Anesthesia Associates (Meadowbrook, PA), Associates In Anesthesia, Inc. (Chadds Ford, PA), Grandview Anesthesia Associates (Sellersville, PA) and 5 more organizations, listed in the Medicare section above. 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 Richard Alsdorf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Richard Alsdorf accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Richard Alsdorf as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Richard Alsdorf was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Richard Alsdorf Jr., CRNA · NPI 1851389837
Nurse Anesthetist, Certified Registered physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since October 12, 2005.
## Identity
- **NPI:** 1851389837 (Entity type: Individual)
- **Enumerated:** October 12, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN327554L (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3900 WOODLAND AVE, Philadelphia, PA 19104-4551
- **Phone:** (215) 823-5800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Society Hill Anesthesia Consultants, PC (NPI 1427003219, Philadelphia, PA); Northstar Anesthesia Of Pennsylvania, LLC (NPI 1700218989, Darby, PA); Huntingdon Valley Anesthesia Associates (NPI 1710933114, Meadowbrook, PA); Associates In Anesthesia, Inc. (NPI 1942281191, Chadds Ford, PA); Grandview Anesthesia Associates (NPI 1235135500, Sellersville, PA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1851389837) · Data from the CMS NPPES public registry.