MS. LOIS M. O'BRIEN M.D. NPI 1437245339

NPI Information

  • NPI: 1437245339
  • Provider Name: MS. LOIS M. O'BRIEN, M.D.
  • Classification: Anesthesiology - 207LP2900X
  • Specialization: Pain Medicine
  • Entity Type: Individual
  • Address: 1328 22ND ST
    SANTA MONICA, CA
    ZIP 90404
  • Phone: (310) 471-5852

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NPI Details

MS. Lois M. O'brien, M.D. is a pain medicine anesthesiology in Santa Monica, CA. The provider is an anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists. MS. Lois M. O'brien, M.D. NPI is 1437245339. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a female.

The provider's business location address is:

1328 22ND ST
SANTA MONICA, CA
ZIP 90404-032
Phone: (310) 471-5852
Fax: (310) 471-3958

The enumeration date for this NPI number is 10/5/2006 and was last updated on 7/8/2007.

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
1207LP2900XAnesthesiologyPain MedicineA24195CALIFORNIAYes

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
1GR0017930MEDICAIDCALIFORNIA
2W8243MEDICARE ID-TYPE UNSPECIFIEDCALIFORNIA

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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