DR. ADAM DOUGLAS DIEM
NPI 1568039519
Nurse Anesthetist, Certified Registered in Hydes, MD
About Dr. Adam Douglas Diem NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ADAM DOUGLAS DIEM (NPI 1568039519) is an individual nurse anesthetist, certified registered in Hydes, Maryland, licensed in Maryland (R212608) and active in the NPI registry since June 2021. He is affiliated with Umd Upper Chesapeake Medical Center and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Adam Douglas Diem 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 Adam Diem reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bel Air, MD 21014
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Maryland Anesthesia & Pain Management Services PC
- 78 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 6
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umd Upper Chesapeake Medical Center
Acute Care Hospitals · Bel Air, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21082 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Adam Diem's NPI number?
The NPI number for Adam Diem is 1568039519. It was assigned to this individual provider in the NPPES registry on June 8, 2021.
Where is Adam Diem located?
Adam Diem practices at 5806 Church Ln, Hydes, MD 21082. The listed phone number is (443) 604-2530.
What is Adam Diem's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Adam Diem enrolled in Medicare?
Yes. Adam Diem 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 Adam Diem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adam Diem reassigns Medicare benefits to Maryland Anesthesia & Pain Management Services, P.C. (Bel Air, MD). 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 Adam Diem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Adam Diem affiliated with any hospitals?
According to CMS data, Adam Diem is affiliated with Umd Upper Chesapeake Medical Center.
When was this NPI record last updated?
The NPPES record for Adam Diem was last updated on January 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Adam Douglas Diem · NPI 1568039519
Nurse Anesthetist, Certified Registered physician in Hydes, Maryland. Individual provider, active in the CMS NPPES registry since June 8, 2021.
## Identity
- **NPI:** 1568039519 (Entity type: Individual)
- **Enumerated:** June 8, 2021
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R212608 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5806 CHURCH LN, Hydes, MD 21082-9722
- **Phone:** (443) 604-2530
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Maryland Anesthesia & Pain Management Services, P.C. (NPI 1043052632, Bel Air, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** January 26, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1568039519) · Data from the CMS NPPES public registry.