Dr. Shan J. Thomas, MD
- Medicare services, 2024
- 13
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 112
- Hospital affiliations
- 1
- Industry payments
- $4,057
- Practice address
- 1100 Las Tablas Rd, Templeton, CA 93465
- Practice phone
- Call (805) 434-3500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thomas' 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. Shan J. Thomas is an OB-GYN in Templeton, California
Dr. Thomas practices at Adventist Health Twin Cities in Templeton, California, part of Adventist Health.
Dr. Thomas' NPI, 1821017294, was assigned on July 18, 2006. Dr. Thomas graduated from UC Irvine School of Medicine in 1992. Dr. Thomas holds California license G 79405.
- NPI
- 1821017294NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022919737
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 434-3500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Shan J. Thomas practices at Adventist Health Twin Cities in Templeton, California
Dr. Thomas' primary practice is Adventist Health Twin Cities, at 1100 Las Tablas Rd, Templeton, CA 93465 in San Luis Obispo County. The practice phone is (805) 434-3500.
- Adventist Health Twin Cities1100 Las Tablas Rd, Templeton, CA 93465 · San Luis Obispo CountyPhone(805) 434-3500
Source: Dmand AI Affiliation Data
Dr. Shan J. Thomas is affiliated with 2 sites of care and 2 medical groups
Dr. Thomas' primary practice is Adventist Health Twin Cities in Templeton, California, part of Adventist Health. The medical group on file is Community Health Centers of the Central Coast, Inc. Dmand AI also links Dr. Thomas to 1 more community health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Shan J. Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Twin Cities | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Shan J. Thomas is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Thomas is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Thomas is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
Clinical focus
Dmand AI lists hysterectomy, menopause, pelvic prolapse, UTI and vaginal infection among the conditions Dr. Thomas treats.
OB-GYNs near Dr. Thomas
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Shan J. Thomas billed Medicare for 13 services in 2024
CMS data shows 13 Medicare services from Dr. Thomas across 1 procedure code in 2024, for 16 Medicare patients. Medicare paid $29 for them. Every service was in an office.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 02024: 13
- Other services
- 2023: 162024: 0100%
- Office and hospital visits
- 2023: 312024: 0100%
Dr. Thomas compared with the California median for OB-GYNs, 2024
- Dr. Thomas
- California median
- Medicare services
- 13vs 5878% below
- Medicare patients
- 16vs 5269% below
- Part D claims
- 42vs 3520% above
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Thomas' 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. Thomas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thomas and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shan J. Thomas treated 16 Medicare patients in 2024, average age 61
CMS counts 16 Medicare patients who saw Dr. Thomas in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 35, with 100% women.
Dr. Thomas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Shan J. Thomas wrote 112 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 112 Medicare Part D claims for 39 patients. 80% of them were for generic drugs. CMS names the drug for 42 of them, across 2 drugs with 11 or more claims each, at $12,546 in total drug cost. In 2023, CMS named 35 claims across 1 drug.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic90 claims80%
- Brand-name22 claims20%
Dr. Thomas' 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: 352024: 4220%
Drugs named by CMS: 2 in 2024, 1 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. Shan J. Thomas takes part in Medicare
Dr. Thomas 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. Shan J. Thomas received $4,057 in industry payments from 2016 to 2025
CMS Open Payments shows 38 general payments to Dr. Thomas from 17 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 64% of the total. Coloplast Corp paid the most, $1,519.
General payments to Dr. Thomas by program year, 2016 to 2025
General payments to Dr. Thomas by kind, 2016 to 2025
- Travel and lodging$2,60464%
- Food and beverage$1,39834%
- Education$541%
Companies that paid Dr. Thomas 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. Shan J. Thomas has 1 award and honors on record
Dmand AI lists 1 award for Dr. Thomas, most recently CMS Stage 1 EHR in 2012.
Awards and honors for Dr. Thomas
- 2012
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Shan J. Thomas graduated from UC Irvine School of Medicine
Dr. Thomas graduated from UC Irvine School of Medicine in 1992. Dr. Thomas is a member of American College of Obstetricians and Gynecologists.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Shan J. Thomas accepts plans from 13 insurance carriers
Dr. Thomas is in network with 13 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Thomas accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Shan J. Thomas'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) |
| 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. Shan J. Thomas
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. Shan J. Thomas' NPI number?
Dr. Shan J. Thomas' NPI number is 1821017294. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Shan J. Thomas?
Dr. Shan J. Thomas is an OB-GYN in Templeton, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Shan J. Thomas practice?
Dr. Thomas practices at 1100 Las Tablas Rd, Templeton, CA 93465. Dr. Thomas' primary practice is Adventist Health Twin Cities in Templeton, California, part of Adventist Health. Dmand AI also links Dr. Thomas to 1 community health center and 1 medical group.
What is Dr. Shan J. Thomas' office phone number?
The practice phone on file for Dr. Thomas is (805) 434-3500.
What is Dr. Shan J. Thomas' medical license number?
Dr. Thomas holds California license G 79405.
Which hospitals is Dr. Shan J. Thomas affiliated with?
Dr. Thomas practices at Adventist Health Twin Cities in Templeton, California.
What medical group is Dr. Shan J. Thomas part of?
Dr. Thomas is linked to Community Health Centers of the Central Coast, Inc. Dmand AI links Dr. Thomas to 1 more medical group.
Does Dr. Shan J. Thomas accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 13 services in 2024, and Dr. Thomas accepts Medicare assignment.
How many Medicare patients does Dr. Shan J. Thomas see?
CMS counts 16 Medicare patients who saw Dr. Thomas in 2024, with an average age of 61.
Is Dr. Shan J. Thomas board certified?
Yes. Dr. Thomas is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Show 6 more questionsShow fewer questions
What services does Dr. Shan J. Thomas bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were lab and pathology test (81003).
Where did Dr. Shan J. Thomas go to medical school?
Dr. Thomas graduated from UC Irvine School of Medicine in 1992.
What drugs does Dr. Shan J. Thomas prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Estradiol and Vivelle-Dot.
Has Dr. Shan J. Thomas received payments from drug or device companies?
CMS Open Payments shows $4,057 in general payments to Dr. Thomas from 17 companies from 2016 to 2025. The largest total came from Coloplast Corp.
How long has Dr. Shan J. Thomas been practicing?
Dr. Thomas graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Shan J. Thomas accept?
Dr. Thomas is in network with 13 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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