James William Grosleib, DDS
Dentist · Valley Village, CA
James William Grosleib, DDS is a dentist with a practice address in Valley Village, California, and NPI 1841480555, issued on Jul 29, 2007. Check the license (California 55832, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James William Grosleib
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 55832 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12131 Magnolia Blvd, Valley Village, CA 91607
- Phone
- (818) 763-8999
- Enumerated
- Jul 29, 2007
- Record last updated
- Mar 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 12131 Magnolia Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Grosleib, D.D.S.Dentist1043467731
Verify James William Grosleib in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 55832Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average dentist in 2024
86 Medicare Part D claims for 48 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin45 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.
James William Grosleib among 14,729 dentist records in California
James William Grosleib, DDS is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 58% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2011 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 dentist records list a practice address in Valley Village
They are 10 of the 365 NPPES records with a practice address in Valley Village, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Valley Village → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Benita Evazyan, DMDValley Village, CA 916071144420795
- Alexander Gerbakher, DMDValley Village, CA 916071194956326
- Michelle Grosleib, D.D.S.Valley Village, CA 916071043467731
- Barbara Lozano, DDSValley Village, CA 916071700967767
- Frederic Mandell, DDSValley Village, CA 916071346454329
- Kharen Minasyan, DDSValley Village, CA 916071447346762
- Arutyun Mkrtchyan, DDSNorth Hollywood, CA 916071528163813
- David Polushkin, DDSValley Village, CA 916071306968862
Common questions
What is James William Grosleib, DDS's NPI number?
James William Grosleib, DDS's National Provider Identifier (NPI) is 1841480555, issued on Jul 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James William Grosleib, DDS located?
The NPPES record lists a practice address at 12131 Magnolia Blvd, Valley Village, CA, 91607. Phone: (818) 763-8999. Providers update this record themselves, so call before visiting.
How can I verify James William Grosleib, DDS's license?
NPPES lists California license number 55832, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does James William Grosleib, DDS prescribe under Medicare Part D?
In 2024, James William Grosleib, DDS had 86 Medicare Part D claims for 48 beneficiaries; the average among dentist prescribers was 86. 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.