Ryan Arnold, MD
Infectious Disease Physician · Annapolis, MD
Ryan Arnold, MD is an infectious disease physician with a practice address in Annapolis, Maryland, and NPI 1255533154, issued on Jun 3, 2007. Check the license (Maryland D73712, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ryan Arnold
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- D73712 MD
Self-reported in NPPES; status is on the state search - Practice location
- 49 Old Solomons Island RD, Annapolis, MD 21401
- Phone
- (410) 573-9511
- Enumerated
- Jun 3, 2007
- Entity
- Type 1 · individual
Also registered at 49 Old Solomons Island RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Appel, LCSW-CClinical Social Worker1205104981
- David Barnes, M.D.Specialist1336197920
- Brooke Barrett, LMSWSocial Worker1982213393
- Eric Bowman, PHDPsychologist1023099777
- Julie Catlin, PA-CPhysician Assistant1902907827
- Kambayanda Chengappa, MDInfectious Disease Physician1790829729
Verify Ryan Arnold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D73712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
68% fewer Medicare Part D claims than the average infectious disease physician in 2024
223 Medicare Part D claims for 46 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Cefazolin Sodium29 claims
- Amoxicillin22 claims
- Ceftriaxone18 claims
- Ertapenem17 claims
- Azithromycin16 claims
- Cefadroxil14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Luminis Health Medical Group, LLCAnnapolis, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Infectious Disease Physician providers in Maryland
There are 410 infectious disease physician records in Maryland.
Other infectious disease physician records in Maryland
- Shastine Abate, MDBaltimore, MD1922199405
- Mark AbbruzzeseBethesda, MD1154310035
- Michael Abers, MDBethesda, MD1437562378
- Adrian Aceves-Hurtado, DOBethesda, MD1043708324
- Ademiposi Adegbulugbe, M.DCheverly, MD1942467386
- Brian Agan, M.D.Bethesda, MD1669434718
- Gloria Aggrey, MDRockville, MD1588839286
- Mohamed Al-Ibrahim, M.D.Baltimore, MD1245334325
- Carla Alexander, M.D.Baltimore, MD1134177793
- Maria AllendeGaithersburg, MD1245500370
Common questions
What is Ryan Arnold, MD's NPI number?
Ryan Arnold, MD's National Provider Identifier (NPI) is 1255533154, issued on Jun 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Arnold, MD located?
The NPPES record lists a practice address at 49 Old Solomons Island RD, Annapolis, MD, 21401. Phone: (410) 573-9511. Providers update this record themselves, so call before visiting.
How can I verify Ryan Arnold, MD's license?
NPPES lists Maryland license number D73712, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan Arnold, MD prescribe under Medicare Part D?
In 2024, Ryan Arnold, MD had 223 Medicare Part D claims for 46 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.