Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Joseph H Oyer, M.D.
Specialist in Worcester, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1700828639
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Registry record
Entity type Individual (Type 1)
Name Dr. Joseph H Oyer
Credential M.D.
Sex Male
Practice address 48 Elm St, Worcester, MA, 01609
Phone (508) 757-0330
Enumeration date Jun 12, 2006
Last updated in NPPES Aug 14, 2015
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0010298 | Medicaid | MA | - |
| 997402 | Other | MA | NETWORK HEALTH |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Joseph Oyer practice?
The practice location on file with NPPES is in Worcester, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Joseph Oyer?
The National Provider Identifier (NPI) for Joseph Oyer is 1700828639, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-08-14.