Alan Otto Kogan, M.D.
Psychiatry Physician · Gaithersburg, MD
Alan Otto Kogan, M.D. is a psychiatry physician with a practice address in Gaithersburg, Maryland, and NPI 1659437671, issued on Dec 28, 2006. Check the license on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alan Otto Kogan
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 4301028081 MI
Self-reported in NPPES; status is on the state search - Practice location
- 610 E Diamond Ave, Gaithersburg, MD 20877
- Phone
- (301) 840-3200
- Enumerated
- Dec 28, 2006
- Record last updated
- May 22, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (301) 840-1348
- Medicaid ID
- 816700100 MD
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Also registered at 610 E Diamond Ave
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- Carlos AparicioSocial Worker1073734307
- Doriska Brown, MDPsychiatry Physician1174644587
Verify Alan Otto Kogan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Alan Otto Kogan among 1,451 psychiatry physician records in Maryland
Alan Otto Kogan, M.D. is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileNo · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 36% of these records are
- Record last updated2012 · 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 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 psychiatry physician records list a practice address in Gaithersburg
They are 25 of the 2,580 NPPES records with a practice address in Gaithersburg, and 1,451 psychiatry physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,451 in Maryland → Every provider in Gaithersburg → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Maureen Chamberlin, M.D.Gaithersburg, MD 208771144269879
- Sandra Cohen, MDGaithersburg, MD 208771740352582
- Shankuntala Dhir, MDGaithersburg, MD 208771659410389
- Suzanne Forman, MDGaithersburg, MD 208771720195159
- Michael Glasser, M.D.Gaithersburg, MD 208771306886619
- Louis Kopolow, M.D.Gaithersburg, MD 208771164428694
- Richard Palmer, M.D.Gaithersburg, MD 208771881634046
- Hector Parada, MDGaithersburg, MD 208771740270354
Common questions
What is Alan Otto Kogan, M.D.'s NPI number?
Alan Otto Kogan, M.D.'s National Provider Identifier (NPI) is 1659437671, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan Otto Kogan, M.D. located?
The NPPES record lists a practice address at 610 E Diamond Ave, Gaithersburg, MD, 20877. Phone: (301) 840-3200. Providers update this record themselves, so call before visiting.
How can I verify Alan Otto Kogan, M.D.'s license?
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.