Ruth S. Gershen, M.D.
Pediatrics Physician · Spring Valley, NY
Ruth S. Gershen, M.D. is a pediatrics physician with a practice address in Spring Valley, New York, and NPI 1508805094, issued on Jun 6, 2006. Check the license (New York 178638, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ruth S. Gershen
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 178638 NY
Self-reported in NPPES; status is on the state search - Practice location
- 728 N Main St, Spring Valley, NY 10977
- Phone
- (845) 354-9300
- Enumerated
- Jun 6, 2006
- Record last updated
- Dec 11, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (845) 354-4298
- Medicaid ID
- 01421705 NY
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 5,795 in New York → Look up another NPI →
Also registered at 728 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mahmood BehnamPediatrics Physician1467642231
- Rina Chesner, M.D.Pediatrics Physician1780626549
- Esther Diamant, M.D.Pediatrics Physician1609816255
- Rena Dzikowski, N.P.Family Nurse Practitioner1760422000
- Dan Frimerman, MDPediatrics Physician1285838227
- Bruce Gribetz, M.D.Pediatrics Physician1225143050
Verify Ruth S. Gershen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 178638Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average pediatrics physician in 2024
328 Medicare Part D claims for 47 beneficiaries, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Lorazepam37 claims
- Bupropion Xl29 claims
- Clonazepam24 claims
- Quetiapine Fumarate17 claims
- Sertraline Hcl17 claims
- Aripiprazole15 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.
Ruth S. Gershen among 5,795 pediatrics physician records in New York
Ruth S. Gershen, M.D. is one of 5,795 pediatrics physician records with a practice address in New York. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2007 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 pediatrics physician records list a practice address in Spring Valley
They are 13 of the 1,188 NPPES records with a practice address in Spring Valley, and 5,795 pediatrics physician records in New York.
All 5,795 in New York → Every provider in Spring Valley → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Mahmood BehnamSpring Valley, NY 109771467642231
- Rina Chesner, M.D.Spring Valley, NY 109771780626549
- Esther Diamant, M.D.Spring Valley, NY 109771609816255
- Yonatan Elstein, MDNew Square, NY 109771003104191
- Dan Frimerman, MDSpring Valley, NY 109771285838227
- Bruce Gribetz, M.D.Spring Valley, NY 109771225143050
- Esther Muschel, M.D.Spring Valley, NY 109771780843029
- Iwuozo Obilo, MDSpring Valley, NY 109771538103825
Common questions
What is Ruth S. Gershen, M.D.'s NPI number?
Ruth S. Gershen, M.D.'s National Provider Identifier (NPI) is 1508805094, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruth S. Gershen, M.D. located?
The NPPES record lists a practice address at 728 N Main St, Spring Valley, NY, 10977. Phone: (845) 354-9300. Providers update this record themselves, so call before visiting.
How can I verify Ruth S. Gershen, M.D.'s license?
NPPES lists New York license number 178638, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ruth S. Gershen, M.D. prescribe under Medicare Part D?
In 2024, Ruth S. Gershen, M.D. had 328 Medicare Part D claims for 47 beneficiaries; the average among pediatrics physician prescribers was 375. 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.