James Michael Ryan, DDS, MS
Oral and Maxillofacial Surgery (Dentist) · Germantown, MD
James Michael Ryan, DDS, MS is an oral and maxillofacial surgery (dentist) with a practice address in Germantown, Maryland, and NPI 1356508493, issued on May 16, 2008. Check the license with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James Michael Ryan
- Credential
- DDS, MS
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License numbers
- 1002341-15 WI
DEN1000891 DC
053798 NY
Self-reported in NPPES; status is on the state search - Practice location
- 19851 Observation Dr Ste 320, Germantown, MD 20876
- Phone
- (301) 916-6000
- Enumerated
- May 16, 2008
- Record last updated
- Nov 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 200 in Maryland → Look up another NPI →
Verify James Michael Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James Michael Ryan among 200 oral and maxillofacial surgery (dentist) records in Maryland
James Michael Ryan, DDS, MS is one of 200 oral and maxillofacial surgery (dentist) records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 66% of them.
- NPI issued2008 · 66% of these records are older, 29% newer
- In a Medicare fileNo · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2021 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral and Maxillofacial Surgery (Dentist) providers in Maryland
There are 200 oral and maxillofacial surgery (dentist) records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 200 in Maryland → Every provider in Germantown → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Peter Liashek, D.D.S.Germantown, MD 208741548369507
- Kristopher Paik, D.M.D. M.SGaithersburg, MD 208781083030225
- Jerry Leonard, D.D.S.Gaithersburg, MD 208791104910694
- Gregory Romanow, D.M.D.Gaithersburg, MD 208791760495295
- Di Sun, DDS PHDGaithersburg, MD 208791851491310
- Albert Sweeney, DDSGaithersburg, MD 208791427127273
- John Wise, DDS MSGaithersburg, MD 208791780765404
- Glen Imamura, DDSClarksburg, MD 208711306835053
Common questions
What is James Michael Ryan, DDS, MS's NPI number?
James Michael Ryan, DDS, MS's National Provider Identifier (NPI) is 1356508493, issued on May 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is James Michael Ryan, DDS, MS located?
The NPPES record lists a practice address at 19851 Observation Dr Ste 320, Germantown, MD, 20876. Phone: (301) 916-6000. Providers update this record themselves, so call before visiting.
How can I verify James Michael Ryan, DDS, MS's license?
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. 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.