Basic Information
| Provider Information | |||||||||
| NPI: | 1851453104 | ||||||||
| EntityType: | 1 | ||||||||
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| OrganizationName: | |||||||||
| LastName: | FEREN | ||||||||
| FirstName: | ROBERT | ||||||||
| MiddleName: | ALAN | ||||||||
| NamePrefix: | DR. | ||||||||
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| Credential: | M.D. | ||||||||
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| Mailing Information | |||||||||
| Address1: | DEPT 34929 | ||||||||
| Address2: | P.O. BOX 39000 | ||||||||
| City: | SAN FRANCISCO | ||||||||
| State: | CA | ||||||||
| PostalCode: | 941390001 | ||||||||
| CountryCode: | US | ||||||||
| TelephoneNumber: | 9259522828 | ||||||||
| FaxNumber: | 9259522850 | ||||||||
| Practice Location | |||||||||
| Address1: | 1220 ROSSMOOR PKWY | ||||||||
| Address2: | |||||||||
| City: | WALNUT CREEK | ||||||||
| State: | CA | ||||||||
| PostalCode: | 945952501 | ||||||||
| CountryCode: | US | ||||||||
| TelephoneNumber: | 9259473393 | ||||||||
| FaxNumber: | 9259473396 | ||||||||
| Other Information | |||||||||
| ProviderEnumerationDate: | 12/14/2006 | ||||||||
| LastUpdateDate: | 09/28/2017 | ||||||||
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| ProviderGenderCode: | M | ||||||||
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| IsSoleProprietor: | N | ||||||||
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Taxonomy Information
| Taxonomy | License | State | Switch | TaxonomyGroup | TaxonomyType | TaxonomyClass | SubSpecialty | 207R00000X | A89317 | CA | N | Allopathic & Osteopathic Physicians | Internal Medicine | 208M00000X | A89317 | CA | Y | Allopathic & Osteopathic Physicians | Hospitalist |
ID Information
| ID | Type | State | Issuer | Description | 1851453104 | 05 | CA | MEDICAID | P01000533 | 01 | CA | RAILROAD MEDICARE | OTHER |