NPPES file of Aug 9, 2026

Adam Grayson Warth, CRNA

Certified Registered Nurse Anesthetist · Baltimore, MD

Adam Grayson Warth, CRNA is a certified registered nurse anesthetist with a practice address in Baltimore, Maryland, and NPI 1316630890, issued on May 31, 2023. Check the license (Maryland R228174, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316630890
Name
Adam Grayson Warth
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
R228174 MD
Self-reported in NPPES; status is on the state search
Practice location
6701 N Charles St Ste 4902, Baltimore, MD 21204
Phone
(443) 849-2202
Enumerated
May 31, 2023
Record last updated
Apr 8, 2025
Medicare enrollment
Enrolled (PECOS I20231013003023); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6701 N Charles St Ste 4902

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amanda Billig, CRNACertified Registered Nurse Anesthetist1346933835

Verify Adam Grayson Warth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R228174
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

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Industry payments in 2024: $40.94

2 payments; by number, the most common kind was food and beverage; the largest payer was Vertex Pharmaceuticals Incorporated. 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.

  1. Adam Warth$40.94
  2. Specialty average$135.08

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. First Colonies Anesthesia Associates, LLCLutherville, MD
  2. Johns Hopkins UniversityBaltimore, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Adam Grayson Warth among 1,062 certified registered nurse anesthetist records in Maryland

Adam Grayson Warth, CRNA 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 2023, is newer than 87% of them.

  • NPI issued2023 · 87% of these records are older, 8% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2023 · median 2014 among the 774 with a school on file
  • Record last updated2025 · 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).

504 certified registered nurse anesthetist records list a practice address in Baltimore

They are 504 of the 35,183 NPPES records with a practice address in Baltimore, and 1,062 certified registered nurse anesthetist records in Maryland.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Marianne Bitner, CRNATowson, MD 212041952379604
  2. Terri Bonsall, C.R.N.A.Towson, MD 212041063414407
  3. Donna Bourn, CRNATowson, MD 212041396747838
  4. Thomas Curry, C.R.N.A.Towson, MD 212041134121676
  5. Francis Equale, C.R.N.A.Towson, MD 212041205838646
  6. Debra Kelly, CRNATowson, MD 212041386678464
  7. Kwan Lee, CRNATowson, MD 212041659373173
  8. Barry Lepley, CRNATowson, MD 212041548362288

Common questions

What is Adam Grayson Warth, CRNA's NPI number?

Adam Grayson Warth, CRNA's National Provider Identifier (NPI) is 1316630890, issued on May 31, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Adam Grayson Warth, CRNA located?

The NPPES record lists a practice address at 6701 N Charles St Ste 4902, Baltimore, MD, 21204. Phone: (443) 849-2202. Providers update this record themselves, so call before visiting.

How can I verify Adam Grayson Warth, CRNA's license?

NPPES lists Maryland license number R228174, 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.