Semin Arthritis Rheum
Arthritis, RheumatoidEvaluation Studies as Topic
Dr. Timothy M. Spiegel, MD
NPI1700870243PAC ID6901853621
- Medicare services, 2024
- 377
- Medicare patients, 2024
- 186
- Part D claims, 2024
- 749
- Publications
- 11
- Hospital affiliations
- 3
- Practice address
- 1400 E Church St, Santa Maria, CA 93454
- Practice phone
- Call (805) 739-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Spiegel's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Timothy M. Spiegel is a rheumatologist in Santa Maria, California
Dr. Spiegel practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health.
Dr. Spiegel's NPI, 1700870243, was assigned on September 9, 2005. Dr. Spiegel graduated from University of North Carolina School of Medicine in 1973. Dr. Spiegel holds California license C37216.
NPI and contact details
- NPI
- 1700870243NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901853621
- NPI enumeration date
- September 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 739-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy M. Spiegel practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California
Dr. Spiegel's primary practice is Dignity Health - Marian Regional Medical Center, at 1400 E Church St, Santa Maria, CA 93454 in Santa Barbara County. The practice phone is (805) 739-3100.
- Dignity Health - Marian Regional Medical Center1400 E Church St, Santa Maria, CA 93454 · Santa Barbara CountyPhone(805) 739-3100
Source: Dmand AI Affiliation Data
Dr. Timothy M. Spiegel is affiliated with 4 sites of care and 1 medical group
Dr. Spiegel's primary practice is Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health. Dr. Spiegel is also affiliated with Santa Barbara Cottage Hospital. The medical group on file is Cottage Medical Group. Dmand AI also links Dr. Spiegel to 1 more hospital and 1 group practice or clinic, each named with a free account.
Santa Barbara Cottage HospitalCottage Medical Group1 hospitalName with a free account1 group practice or clinicName with a free account
See all 5 affiliations for Dr. SpiegelSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Timothy M. Spiegel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spiegel practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Marian Regional Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy M. Spiegel is one of 821 rheumatologists in California
Rheumatology is Dr. Spiegel's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Spiegel is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Spiegel's licenses on file in 2 states: California and North Carolina.
Specialties and state licenses
- Rheumatology, CaliforniaPrimary
- North Carolina license
Clinical focus
Dmand AI lists arteritis, arthritis, gout, joint arthropathy, joint pain, lupus, muscle pain, fibromyalgia, and limb pain and osteoporosis among the conditions Dr. Spiegel treats.
Rheumatologists near Dr. Spiegel
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
821rheumatologists in California
3rheumatologists in Santa Maria
2rheumatologists at Dignity Health - Marian Regional Medical CenterSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Timothy M. Spiegel billed Medicare for 377 services in 2024
CMS data shows 377 Medicare services from Dr. Spiegel across 3 procedure codes in 2024, for 186 Medicare patients. Medicare paid $34,869 for them. Every service was in an office.
Medicare services, 2024377
Medicare patients186
Paid by Medicare$34,869
Procedure codes3
Dr. Spiegel's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3762024: 3536%
- Tests and treatments
- 2023: 312024: 2423%
Dr. Spiegel compared with the California median for rheumatologists, 2024
- Dr. Spiegel
- California median
- Medicare services
- 377vs 90058% below
- Medicare patients
- 186vs 21614% below
- Part D claims
- 654vs 96232% below
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Dr. Spiegel's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Spiegel?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Spiegel and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy M. Spiegel treated 186 Medicare patients in 2024, average age 75
CMS counts 186 Medicare patients who saw Dr. Spiegel in 2024. The largest group is 75 to 84, with 80 patients. 75% of them have arthritis, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Spiegel's median patient age at 66, with 73% women.
Medicare patients, 2024186
Average age75
Average risk score1.09
Also on Medicaid8%
Dr. Spiegel's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Spiegel's Medicare patients by sex, 2024
- Women12165%
- Men6535%
Chronic conditions among Dr. Spiegel's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure62%
- Osteoporosis36%
- Chronic kidney disease21%
- Diabetes19%
- Ischemic heart disease18%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Spiegel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women73%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Timothy M. Spiegel wrote 749 Medicare Part D claims in 2024
In 2024, Dr. Spiegel wrote 749 Medicare Part D claims for 136 patients. 58% of them were for generic drugs. CMS names the drug for 654 of them, across 17 drugs with 11 or more claims each, at $1,723,985 in total drug cost. In 2023, CMS named 669 claims across 16 drugs.
Part D claims, 2024749
Drugs named by CMS17
Total drug cost$1.7M
Part D patients136
Dr. Spiegel's Part D claims by kind of drug, 2024
- Generic431 claims58%
- Brand-name and other318 claims42%
Dr. Spiegel's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6692024: 6542%
Drugs named by CMS: 17 in 2024, 16 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Timothy M. Spiegel takes part in Medicare
Dr. Spiegel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Timothy M. Spiegel has 11 publications on record
Dmand AI links 11 papers to Dr. Spiegel. The most frequent topics are Arthritis, Rheumatoid, Activities of Daily Living and Evaluation Studies as Topic. Dr. Spiegel has published most often in Arthritis Rheum. Dr. Spiegel's most frequent co-authors are Daniel E. Furst, MD and Steven Richard Weiner, MD.
Papers11
Topics Dr. Spiegel writes about most
- Arthritis, Rheumatoid
- Activities of Daily Living
- Evaluation Studies as Topic
- Joints
- Locomotion
Dr. Spiegel's most frequent co-authors
Recent publications by Dr. Spiegel
J Rheumatol
Activities of Daily LivingArthritis, RheumatoidHand
Activities of Daily LivingArthritis, RheumatoidHygiene
Biopharm Drug Dispos
BileIndenesKinetics
Arthritis Rheum
Arthritis, RheumatoidCervical AtlasCervical Vertebrae
See who Dr. Spiegel researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Spiegel works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Timothy M. Spiegel received $14,741 in industry payments from 2016 to 2025
CMS Open Payments shows 703 general payments to Dr. Spiegel from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $5,961.
General payments to Dr. Spiegel by program year, 2016 to 2025
General payments to Dr. Spiegel by kind, 2016 to 2025
$14.7Kin total
- Food and beverage$14,62599%
- Education$1161%
Companies that paid Dr. Spiegel the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy M. Spiegel has 1 award and honors on record
Dmand AI lists 1 award for Dr. Spiegel.
Awards and honors for Dr. Spiegel
- Undated
- ACR Fellow
Source: Dmand AI Professional Profile Data
Dr. Timothy M. Spiegel graduated from University of North Carolina School of Medicine
Dr. Spiegel graduated from University of North Carolina School of Medicine in 1973. Dr. Spiegel is a member of ACR.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Timothy M. Spiegel accepts plans from 14 insurance carriers
Dr. Spiegel is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Spiegel accepts, by number of carriers
- PPO10
- Medicare8
- HMO7
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Timothy M. Spiegel's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Timothy M. Spiegel
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Timothy M. Spiegel's NPI number?
Dr. Timothy M. Spiegel's NPI number is 1700870243. It was assigned on September 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy M. Spiegel?
Dr. Timothy M. Spiegel is a rheumatologist in Santa Maria, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Timothy M. Spiegel practice?
Dr. Spiegel practices at 1400 E Church St, Santa Maria, CA 93454. Dr. Spiegel's primary practice is Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health. Dmand AI also links Dr. Spiegel to 1 hospital and 1 group practice or clinic.
What is Dr. Timothy M. Spiegel's office phone number?
The practice phone on file for Dr. Spiegel is (805) 739-3100.
What is Dr. Timothy M. Spiegel's medical license number?
Dr. Spiegel holds California license C37216, one of the licenses on file in 2 states.
Which states has Dr. Timothy M. Spiegel been licensed in?
Dmand AI has state licenses on file for Dr. Spiegel in California (1976 to 2026) and North Carolina (1973 to 2026).
Which hospitals is Dr. Timothy M. Spiegel affiliated with?
Dr. Spiegel practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California. Dr. Spiegel is also affiliated with Santa Barbara Cottage Hospital. Dmand AI links Dr. Spiegel to 1 more hospital.
What medical group is Dr. Timothy M. Spiegel part of?
Dr. Spiegel is linked to Cottage Medical Group.
Does Dr. Timothy M. Spiegel accept Medicare?
Yes. CMS data shows Dr. Spiegel billed Medicare for 377 services in 2024, and Dr. Spiegel accepts Medicare assignment.
How many Medicare patients does Dr. Timothy M. Spiegel see?
CMS counts 186 Medicare patients who saw Dr. Spiegel in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Timothy M. Spiegel board certified?
Yes. Dr. Spiegel is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Timothy M. Spiegel bill to Medicare?
In 2024, Dr. Spiegel's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and infusion or chemotherapy administration (96372).
Where did Dr. Timothy M. Spiegel go to medical school?
Dr. Spiegel graduated from University of North Carolina School of Medicine in 1973.
What drugs does Dr. Timothy M. Spiegel prescribe most?
In 2024 Medicare Part D data, Dr. Spiegel's most prescribed drugs by claims were Prednisone, Methotrexate and Rinvoq.
Has Dr. Timothy M. Spiegel received payments from drug or device companies?
CMS Open Payments shows $14,741 in general payments to Dr. Spiegel from 24 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Timothy M. Spiegel been practicing?
Dr. Spiegel graduated from medical school in 1973, 53 years ago.
Does Dr. Timothy M. Spiegel do research?
Dmand AI links 11 publications to Dr. Spiegel.
Who does Dr. Timothy M. Spiegel publish with?
Dr. Spiegel's most frequent co-authors are Daniel E. Furst, MD (2 shared papers) and Steven Richard Weiner, MD (1 shared paper).
What insurance does Dr. Timothy M. Spiegel accept?
Dr. Spiegel is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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