Barbara Susan Giesser, MD
Neurology Physician · Santa Monica, CA
Barbara Susan Giesser, MD is a neurology physician with a practice address in Santa Monica, California, and NPI 1235154055, issued on Jul 13, 2006. Check the license (California C50803, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Barbara Susan Giesser
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- C50803 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2125 Arizona Ave, Santa Monica, CA 90404
- Phone
- (310) 582-7640
- Enumerated
- Jul 13, 2006
- Record last updated
- Aug 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (310) 582-7495
- Medicaid ID
- 00C508030 CA
- Medicare enrollment
- Enrolled (PECOS I20090420000032); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 2125 Arizona Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Barbara Susan Giesser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C50803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average neurology physician in 2024
869 Medicare Part D claims for 103 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 15 claims were for opioids.
Most prescribed
- Baclofen147 claims
- Gabapentin129 claims
- Kesimpta Pen111 claims
- Dalfampridine Er82 claims
- Tizanidine Hcl42 claims
- Teriflunomide41 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $271.40
17 payments; by number, the most common kind was education; the largest payer was Amgen Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Saint Johns Medical FoundationSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barbara Susan Giesser among 2,339 neurology physician records in California
Barbara Susan Giesser, MD is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1978 · median 2006 among the 1,628 with a school on file
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Santa Monica → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Edwin Amos, MDSanta Monica, CA 904041992720379
- Danny Benmoshe, M.D.Santa Monica, CA 904041336330141
- Jose Carrillo, MDSanta Monica, CA 904041902006661
- Michael Gold, MDSanta Monica, CA 904041750306155
- Robert Jackson, MDSanta Monica, CA 904041265843437
- David Kudrow, MDSanta Moncia, CA 904041952407488
- Melita Petrossian, MDSanta Monica, CA 904041790812162
- Mohsen Pirastehfar, M.D.Santa Monica, CA 904041841558426
Common questions
What is Barbara Susan Giesser, MD's NPI number?
Barbara Susan Giesser, MD's National Provider Identifier (NPI) is 1235154055, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Susan Giesser, MD located?
The NPPES record lists a practice address at 2125 Arizona Ave, Santa Monica, CA, 90404. Phone: (310) 582-7640. Providers update this record themselves, so call before visiting.
How can I verify Barbara Susan Giesser, MD's license?
NPPES lists California license number C50803, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Barbara Susan Giesser, MD prescribe under Medicare Part D?
In 2024, Barbara Susan Giesser, MD had 869 Medicare Part D claims for 103 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.