Bradley I. Spiegel, M.D.
Anesthesiology Physician · Thousand Oaks, CA
Bradley I. Spiegel, M.D. is an anesthesiology physician with a practice address in Thousand Oaks, California, and NPI 1760491039, issued on Aug 5, 2006. Check the license (California G62100, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bradley I. Spiegel
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G62100 CA
Self-reported in NPPES; status is on the state search - Practice location
- 415 East Rolling Oaks Drive, Thousand Oaks, CA 91361
- Phone
- (805) 230-3166
- Enumerated
- Aug 5, 2006
- Record last updated
- Jul 22, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (602) 298-2686
- Medicaid IDs
- GR0052480 CA
GR0052481 CA
OOG621000 CA
00G621001 CA - Medicare enrollment
- Enrolled (PECOS I20050706000247); accepts Medicare assignment
- Medical or professional school
- New York Medical College
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Verify Bradley I. Spiegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G62100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average anesthesiology physician in 2024
305 Medicare Part D claims for 122 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. 196 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen86 claims
- Oxycodone-Acetaminophen37 claims
- Celecoxib32 claims
- Oxycodone Hcl32 claims
- Gabapentin16 claims
- Cyclobenzaprine Hcl15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 56.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,115.32
28 payments; by number, the most common kind was food and beverage; the largest payer was Nalu Medical, Inc. The 17,774 providers of this specialty with any payment received $669.59 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
- Alexander P Hersel MD IncThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bradley I. Spiegel among 7,571 anesthesiology physician records in California
Bradley I. Spiegel, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Record last updated2009 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 anesthesiology physician records list a practice address in Thousand Oaks
They are 30 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Thousand Oaks → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Caroline Bessolo, M.D.Westlake Village, CA 913611437491362
- Darren Clair, M.D.Westlake Village, CA 913611124196258
- Marie Emmons, MDWestlake Village, CA 913611821146879
- Russ Erman, M.D.Westlake Village, CA 913611295701621
- Clifford Fine, M.D.Westlake Village, CA 913611528033370
- David Lowe, M.D.Westlake Village, CA 913611376555284
- Teri Namba Bansbach, M.D.Westlake Village, CA 913611609985308
- Bahram Namdari, D.OWestlake Village, CA 913611730479700
Common questions
What is Bradley I. Spiegel, M.D.'s NPI number?
Bradley I. Spiegel, M.D.'s National Provider Identifier (NPI) is 1760491039, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bradley I. Spiegel, M.D. located?
The NPPES record lists a practice address at 415 East Rolling Oaks Drive, Thousand Oaks, CA, 91361. Phone: (805) 230-3166. Providers update this record themselves, so call before visiting.
How can I verify Bradley I. Spiegel, M.D.'s license?
NPPES lists California license number G62100, 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 Bradley I. Spiegel, M.D. prescribe under Medicare Part D?
In 2024, Bradley I. Spiegel, M.D. had 305 Medicare Part D claims for 122 beneficiaries; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.
What is Bradley I. Spiegel, M.D.'s MIPS final score?
The 2023 MIPS final score is 56.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.