James Henri Clark, MB, BCH, BAO
Otolaryngology Physician · Baltimore, MD
James Henri Clark, MB, BCH, BAO is an otolaryngology physician with a practice address in Baltimore, Maryland, and NPI 1639478431, issued on Mar 18, 2011. Check the license (Maryland D84508, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- James Henri Clark
- Credential
- MB, BCH, BAO
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- D84508 MD
Self-reported in NPPES; status is on the state search - Practice location
- 601 N. Caroline Street, Johns Hopkins Outpatient Center, Baltimore, MD 21287
- Phone
- (410) 955-1079
- Enumerated
- Mar 18, 2011
- Record last updated
- Jan 31, 2024
- Medicare enrollment
- Enrolled (PECOS I20180410000818); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 257 in Maryland → Look up another NPI →
Verify James Henri Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D84508Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average otolaryngology physician in 2024
257 Medicare Part D claims for 95 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Ipratropium Bromide44 claims
- Fluticasone Propionate43 claims
- Fluocinolone Acetonide Oil25 claims
- Mupirocin16 claims
- Pantoprazole Sodium16 claims
- Amoxicillin-Clavulanate Potass12 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 3 group practices
- Greater Baltimore Medical Center IncBaltimore, MD
- Johns Hopkins UniversityLutherville, MD
- Johns Hopkins UniversityMiddle River, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Henri Clark among 257 otolaryngology physician records in Maryland
James Henri Clark, MB, BCH, BAO is one of 257 otolaryngology physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 74% of them.
- NPI issued2011 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2007 · median 2004 among the 166 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Maryland
There are 257 otolaryngology physician records in Maryland.
All 257 in Maryland → Every provider in Baltimore → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Lee Akst, MDBaltimore, MD 212871508840299
- Simon Best, M.D.Baltimore, MD 212871578602603
- Nasir Bhatti, M.D.Baltimore, MD 212871679539753
- Derek Boahene, M.D.Baltimore, MD 212871841256526
- John Carey, M.D.Baltimore, MD 212871417915786
- Charles Cummings, M.D.Baltimore, MD 212871114962008
- Charles Della Santina, M.D.Baltimore, MD 212871497790059
- David Eisele, MDBaltimore, MD 212871023073749
Common questions
What is James Henri Clark, MB, BCH, BAO's NPI number?
James Henri Clark, MB, BCH, BAO's National Provider Identifier (NPI) is 1639478431, issued on Mar 18, 2011. An NPI identifies a provider in billing; it is not a license.
Where is James Henri Clark, MB, BCH, BAO located?
The NPPES record lists a practice address at 601 N. Caroline Street, Johns Hopkins Outpatient Center, Baltimore, MD, 21287. Phone: (410) 955-1079. Providers update this record themselves, so call before visiting.
How can I verify James Henri Clark, MB, BCH, BAO's license?
NPPES lists Maryland license number D84508, 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 James Henri Clark, MB, BCH, BAO prescribe under Medicare Part D?
In 2024, James Henri Clark, MB, BCH, BAO had 257 Medicare Part D claims for 95 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions 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.