DONALD A. RAMBERG M.D., INC.
NPI 1184923245
Neurological Surgery in San Luis Obispo, CA

Active since March 15, 2011
699 CALIFORNIA BLVD STE B, SAN LUIS OBISPO, CA 93401(805) 543-6710(805) 543-8298 Get Directions Write a Review

NPPES record last updated: March 15, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Donald A. Ramberg M.d., Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DONALD A. RAMBERG M.D., INC. (NPI 1184923245) is a healthcare organization registered as a neurological surgery in San Luis Obispo, California and active in the NPI registry since March 2011. The organization lists Donald A Ramberg, Sole Owner, as its authorized official.

NPPES Registry Identity

NPI1184923245
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NameDONALD A. RAMBERG M.D., INC.
Location Address699 CALIFORNIA BLVD STE BSan Luis Obispo, CA 93401-2507
Mailing Address699 California Blvd Ste BSan Luis Obispo, CA 93401-2507 · (805) 543-6710 · Fax (805) 543-8298
Fax(805) 543-8298
Organization SubpartNo
Authorized OfficialDonald A RambergSole Owner · (805) 543-6710
Enumeration DateMarch 15, 2011
✔ NPI 1184923245 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
699 CALIFORNIA BLVD STE B, San Luis Obispo, CA 93401

Other Identifiers 6

Other00G569390CA · Blue Shield
Medicaid00G569390CA
Medicare PINP00360684CA
Medicare UPINA53209CA
Medicare PING56939CA
OtherG56939CA · Blue Cross

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Donald A. Ramberg M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20110408000642Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Donald A. Ramberg M.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Neurosurgery
NPI 1124093000
628 CALIFORNIA BLVD STE D1
San Luis Obispo, CA 93401
(805) 543-6710
✔ PECOS✔ Accepts Medicare0.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Donald A. Ramberg M.D., Inc.'s NPI number?

The NPI number for Donald A. Ramberg M.D., Inc. is 1184923245. It was assigned to this organization in the NPPES registry on March 15, 2011.

Where is Donald A. Ramberg M.D., Inc. located?

Donald A. Ramberg M.D., Inc. is located at 699 California Blvd Ste B, San Luis Obispo, CA 93401. The listed phone number is (805) 543-6710.

What is Donald A. Ramberg M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Donald A. Ramberg M.D., Inc. enrolled in Medicare?

Yes. Donald A. Ramberg M.D., Inc. is registered in the Medicare PECOS enrollment system.

When is Donald A. Ramberg M.D., Inc.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Donald A. Ramberg M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurosurgery) reassigns their Medicare billing to Donald A. Ramberg M.D., Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Donald A. Ramberg M.D., Inc. was last updated on March 15, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.