Basic Information
Provider Information
NPI: 1508857707
EntityType: 1
ReplacementNPI:  
OrganizationName:  
LastName: KEILSON
FirstName: GARY
MiddleName: R
NamePrefix:  
NameSuffix:  
Credential: MD
OtherOrganizationName:  
OtherOrganizationType:  
OtherLastName:  
OtherFirstName:  
OtherMiddleName:  
OtherNamePrefix:  
OtherNameSuffix:  
OtherCredential:  
OtherLastNameType:  
Mailing Information
Address1: 630 PLANTATION ST
Address2:  
City: WORCESTER
State: MA
PostalCode: 016052038
CountryCode: US
TelephoneNumber: 5083683150
FaxNumber: 5083683152
Practice Location
Address1: 123 SUMMER ST
Address2: SUITE 230 S
City: WORCESTER
State: MA
PostalCode: 016081312
CountryCode: US
TelephoneNumber: 5083683150
FaxNumber: 5083683152
Other Information
ProviderEnumerationDate: 11/04/2005
LastUpdateDate: 05/02/2011
NPIDeactivationReasonCode:  
NPIDeactivationDate:  
NPIReactivationDate:  
ProviderGenderCode: M
AuthorizedOfficialLastName:  
AuthorizedOfficialFirstName:  
AuthorizedOfficialMiddleName:  
AuthorizedOfficialTitleorPosition:  
AuthorizedOfficialTelephone:  
IsSoleProprietor: N
IsOrganizationSubpart:  
ParentOrganizationLBN:  
AuthorizedOfficialNamePrefix:  
AuthorizedOfficialNameSuffix:  
AuthorizedOfficialCredential:  
NPICertificationDate:  

Taxonomy Information
TaxonomyLicenseStateSwitchTaxonomyGroupTaxonomyTypeTaxonomyClassSubSpecialty
2084N0400X74084MAY Allopathic & Osteopathic PhysiciansPsychiatry & NeurologyNeurology

ID Information
IDTypeStateIssuerDescription
04247226601 ONE HEALTH PLANOTHER
584500101 AETNA US HEALTHCAREOTHER
AA301601 HARVARD PILGRIM HEALTHCAROTHER
2920301 CHILDRENS MEDICAL SECURITOTHER
J1437201 BLUE CARE ELECTOTHER
04247226601 HEALTHCARE VALUE MANAGEMEOTHER
990084201 FALLON COMMUNITY HEALTH POTHER
J1437201 BLUE SHIELD HMO BLUEOTHER
J1437201 BLUE INDEMNITYOTHER
13001521101 RAILROAD MEDICAREOTHER
J1437201 MEDICARE BOTHER
311864901 MEDICAID WELFAREOTHER
78403501 MVP HEALTH CAREOTHER
050019301 EVERCAREOTHER
2920301 HEALTHY STARTOTHER
04247226601 PRIVATE HEALTHCARE SYSTEMOTHER
170017001 CIGNA PAL IDOTHER
91783101 FIRST HEALTHOTHER


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