Taxonomy Codes
The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:
| No. |
Taxonomy Code |
Taxonomy Clasification |
Taxonomy Specialization |
License Number |
License State |
Primary |
| 1 | 207RH0003X | Internal Medicine | Hematology & Oncology | | | Yes |
Other Identifiers
The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.
| No. |
Other Provider Identifier |
Other Provider Identifier Type |
Other Provider Identifier State |
Other Provider Identifier Issuer |
| 1 | 68-0334230 | OTHER | | PREVIOUS TAX ID NUMBER PRIOR TO 11/2006 |
| 2 | E95790 | MEDICARE UPIN | CALIFORNIA | |
| 3 | 00G0270122 | MEDICARE ID-TYPE UNSPECIFIED | CALIFORNIA | PIN# WM A NEWSOM JR MD |
| 4 | GR0061600 | MEDICAID | CALIFORNIA | |
| 5 | DF1247 | OTHER | | RAILROAD MEDICARE PTAN FOR COMPANY CURRENT AS OF 08/2010 |
| 6 | P00314945 | OTHER | CALIFORNIA | RAILROAD MEDICARE PTAN - WILLIAM A NEWSON, JR, MD |
| 7 | A89441 | MEDICARE UPIN | CALIFORNIA | |
| 8 | 1750373239 | OTHER | | INDIVIDUAL MD NPI# - DAVID CAMPBELL |
| 9 | 1518959188 | OTHER | | INDIVIDUAL MD NPI# WILLIAM A NEWSOM JR |
| 10 | P00340104 | OTHER | CALIFORNIA | RAILROAD MEDICARE PTAN - DAVID L CAMPBELL, MD |
| 11 | ZZZ70159Z | OTHER | | PREVIOUS MEDICARE PTAN |
| 12 | ZZZ02732Z | MEDICARE ID-TYPE UNSPECIFIED | ALABAMA | NEW MEDICARE PROVIDER# |
| 13 | 00G647811 | MEDICARE ID-TYPE UNSPECIFIED | CALIFORNIA | PIN# DAVID L CAMPBELL MD |