Allen Wolland, M.D.
Colon & Rectal Surgery Physician · Bethesda, MD
Allen Wolland, M.D. is a colon & rectal surgery physician with a practice address in Bethesda, Maryland, and NPI 1619919859, issued on Jun 12, 2006. Check the license (Maryland D23525, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Allen Wolland
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License numbers
- D23525 MD
D0023525 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6420 Rockledge Dr, Bethesda, MD 20817
- Phone
- (301) 896-6880
- Enumerated
- Jun 12, 2006
- Record last updated
- May 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 415096100 MD
- Entity
- Type 1 · individual
Also registered at 6420 Rockledge Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clint Allen, M.D.Otolaryngology Physician1861697021
- Kathy Bussell, PAMedical Physician Assistant1851439731
- Barbara Chalom, P.A.-CHospitalist Physician1053391078
- Reezwana Chowdhury, M.D.Gastroenterology Physician1316185341
- Ada Graham, M.D.Colon & Rectal Surgery Physician1902291081
- Stephen Greco, M.D.Radiation Oncology Physician1659463750
Verify Allen Wolland in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D23525Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Colon & Rectal Surgery Physician providers in Maryland
There are 32 colon & rectal surgery physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other colon & rectal surgery physician records in Maryland
- Chady Atallah, M.D.Baltimore, MD1558637025
- Bradley Bennett, M.D.Rockville, MD1609985613
- Howard Berg, M.D.Owings Mills, MD1588667273
- Irina Bernescu, MDBaltimore, MD1174850952
- Evan Buckingham, M.D.Baltimore, MD1821417635
- Valerie Cabrera Leon, MDTowson, MD1235686288
- Kathryn Chu, M.D.Baltimore, MD1184770315
- Ivane Chua, MDTowson, MD1922325760
- Vincent Cifello, M.D.Glen Burnie, MD1609879295
- Joseph Dirocco, M.D.Towson, MD1326201328
Common questions
What is Allen Wolland, M.D.'s NPI number?
Allen Wolland, M.D.'s National Provider Identifier (NPI) is 1619919859, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Allen Wolland, M.D. located?
The NPPES record lists a practice address at 6420 Rockledge Dr, Bethesda, MD, 20817. Phone: (301) 896-6880. Providers update this record themselves, so call before visiting.
How can I verify Allen Wolland, M.D.'s license?
NPPES lists Maryland license number D23525, 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.
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.