Adam Douglas Diem
Certified Registered Nurse Anesthetist · Hydes, MD
Adam Douglas Diem is a certified registered nurse anesthetist with a practice address in Hydes, Maryland, and NPI 1568039519, issued on Jun 8, 2021. Check the license (Maryland R212608, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Adam Douglas Diem
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- R212608 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5806 Church LN, Hydes, MD 21082
- Phone
- (443) 604-2530
- Enumerated
- Jun 8, 2021
- Record last updated
- Jan 26, 2022
- Medicare enrollment
- Enrolled (PECOS I20210818001855); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 1,062 in Maryland → Look up another NPI →
Verify Adam Douglas Diem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R212608Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $39.97
2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 24,076 providers of this specialty with any payment received $135.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Maryland Anesthesia And Pain Management Services PCBel Air, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adam Douglas Diem among 1,062 certified registered nurse anesthetist records in Maryland
Adam Douglas Diem is one of 1,062 certified registered nurse anesthetist records with a practice address in Maryland. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 77% of them.
- NPI issued2021 · 77% of these records are older, 17% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2021 · median 2014 among the 774 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Certified Registered Nurse Anesthetist providers in Maryland
There are 1,062 certified registered nurse anesthetist records in Maryland.
All 1,062 in Maryland → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- John Hitchens, CRNAJarrettsville, MD 210841356490429
- Marvin Howard, CRNAJarrettsville, MD 210841902956824
- Hana Kim, CRNAHanover, MD 210761760171433
- Kristin BloomfieldElkridge, MD 210751932567302
- Jan Hetherington, CRNALutherville, MD 210931538219084
- Mitchel Markins, CRNALutherville, MD 210931205814225
- Stephen Wilson, CRNALutherville, MD 210931255323630
- Herbert Zinder, CRNALutherville, MD 210931942293618
Common questions
What is Adam Douglas Diem's NPI number?
Adam Douglas Diem's National Provider Identifier (NPI) is 1568039519, issued on Jun 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Adam Douglas Diem located?
The NPPES record lists a practice address at 5806 Church LN, Hydes, MD, 21082. Phone: (443) 604-2530. Providers update this record themselves, so call before visiting.
How can I verify Adam Douglas Diem's license?
NPPES lists Maryland license number R212608, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.