Frederick Leon Ruben, M.D.
Sleep Medicine (Internal Medicine) Physician · Swiftwater, PA
Frederick Leon Ruben, M.D. is a sleep medicine (internal medicine) physician with a practice address in Swiftwater, Pennsylvania, and NPI 1295858942, issued on Apr 9, 2007. Check the license (Pennsylvania MD013921E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Frederick Leon Ruben
- Credential
- M.D.
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- MD013921E PA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Discovery Dr, Swiftwater, PA 18370
- Phone
- (570) 839-5633
- Enumerated
- Apr 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (570) 839-2038
- Entity
- Type 1 · individual
Also registered at 1 Discovery Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Frederick Leon Ruben in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD013921ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1 sleep medicine (internal medicine) physician records list a practice address in Swiftwater
They are 1 of the 15 NPPES records with a practice address in Swiftwater, and 58 sleep medicine (internal medicine) physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other sleep medicine (internal medicine) physician records in Pennsylvania
- Ron Anafi, MDPhiladelphia, PA1548324080
- Maria Antoniou, MDPhiladelphia, PA1689600504
- Pratima Behari, MDCamp Hill, PA1588725865
- Priya Borker, MDPittsburgh, PA1356753891
- Kevin Branch, MDHarrisburg, PA1437539475
- Sara Cadman, MDPhiladelphia, PA1750945101
- Sangeeta Chakravorty, MDPittsburgh, PA1710959671
- Vasudev Daliparty, MDYork, PA1831728773
- Jennifer Dorsch, MDPhiladelphia, PA1750640215
- Neil Doshi, M.D.Philadelphia, PA1174819361
Common questions
What is Frederick Leon Ruben, M.D.'s NPI number?
Frederick Leon Ruben, M.D.'s National Provider Identifier (NPI) is 1295858942, issued on Apr 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Frederick Leon Ruben, M.D. located?
The NPPES record lists a practice address at 1 Discovery Dr, Swiftwater, PA, 18370. Phone: (570) 839-5633. Providers update this record themselves, so call before visiting.
How can I verify Frederick Leon Ruben, M.D.'s license?
NPPES lists Pennsylvania license number MD013921E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. 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.