Omar Khan, M.D.
Omar Khan, M.D. is a Clinical Neurophysiology Physician in Bethesda, MD, registered under NPI 1659309516. This provider registers 3 separate taxonomy codes, which usually means they practise across more than one recognised specialty.
Getting there
The practice address on file is 10 CENTER DR NATIONAL INSTITUTES OF HEALTH,, Bethesda, MD 20814. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 0101239393 | VA | Clinical Neurophysiology Physician primary |
| 0101239393 | VA | Family Medicine Physician |
| RT-1598 | NH | Neurology Physician |
| MD442463 | PA | Neurology Physician |
| 042.0011742 | VT | Clinical Neurophysiology Physician |
Licences are recorded in 4 states: VA, NH, PA, VT. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
Licensed in 4 states
This provider holds licences in 4 states: New Hampshire, Pennsylvania, Virginia and Vermont. Multi-state licensure often means the provider works near a state border, covers more than one office, or delivers care by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.
- Licence
- 0101239393
- Specialty
- Clinical Neurophysiology Physician
- Licence
- 042.0011742
- Specialty
- Clinical Neurophysiology Physician
Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.
What Clinical Neurophysiology covers
Clinical Neurophysiology is a subspecialty with psychiatric or neurologic expertise in the diagnosis and management of central, peripheral, and autonomic nervous system disorders using combined clinical evaluation and electrophysiologic testing such as electroencephalography (EEG), electromyography (EMG), and nerve conduction studies (NCS). NUCC Health Care Provider Taxonomy, code 2084N0600X
All registered taxonomy codes
This provider registers 5 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 2084N0600X | Clinical Neurophysiology Physician Clinical Neurophysiology | 0101239393 | VA | primary |
| 207Q00000X | Family Medicine Physician | 0101239393 | VA | |
| 2084N0400X | Neurology Physician Neurology | RT-1598 | NH | |
| 2084N0400X | Neurology Physician Neurology | MD442463 | PA | |
| 2084N0600X | Clinical Neurophysiology Physician Clinical Neurophysiology | 042.0011742 | VT |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1659309516 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jun 29, 2006 |
| Last updated | Mar 17, 2018 |
| Status | Active |
| Sole proprietor | No |
| Credential | M.D. |
| Practice address |
10 CENTER DR NATIONAL INSTITUTES OF HEALTH, Bethesda, MD 20814 (301) 443-8960 Fax (301) 480-3528 |
| Mailing address |
10 CENTER DRIVE 10-CRC-65700 Bethesda, MD 20814 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 6 | 5 | 9 | 3 | 0 | 9 | 5 | 1 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 6 | 1 | 9 | 6 | 0 | 9 | 5 | 2 |
Sum = 64 · next multiple of 10 = 70 · check digit = 6 · actual last digit = 6
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.