Dr. Troy Christopher Williams, MD
- Medicare services, 2024
- 260
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 104
- Publications
- 1
- Industry payments
- $2,799
- Practice address
- 32144 Agoura Rd, Westlake Village, CA 91361
- Practice phone
- Call (805) 601-7772
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Xcell Surgery Center 2 LLC
Westlake Village, California
Find Dr. Williams' 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. Troy Christopher Williams is an OB-GYN in Westlake Village, California
Dr. Williams practices at Xcell Surgery Center 2 LLC in Westlake Village, California.
Dr. Williams' NPI, 1093929630, was assigned on May 10, 2007. Dr. Williams graduated from Wayne State University School Of Medicine in 2002. Dr. Williams holds California license A103922.
- NPI
- 1093929630NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638121692
- NPI enumeration date
- May 10, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (805) 601-7772
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Troy Christopher Williams practices at Xcell Surgery Center 2 LLC in Westlake Village, California
Dr. Williams' primary practice is Xcell Surgery Center 2 LLC, at 32144 Agoura Rd, Westlake Village, CA 91361 in Ventura County. The practice phone is (805) 601-7772.
- Xcell Surgery Center 2 LLC32144 Agoura Rd, Westlake Village, CA 91361 · Ventura CountyPhone(805) 601-7772
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Troy Christopher Williams is affiliated with 2 sites of care and 1 medical group
Dr. Williams' primary practice is Xcell Surgery Center 2 LLC in Westlake Village, California. The medical group on file is Moorpark Women's Health & Spa. Dmand AI also links Dr. Williams to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Troy Christopher Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Xcell Surgery Center 2 LLC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Troy Christopher Williams is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Williams is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Williams' licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- Hospice and palliative medicine (obstetrics and gynecology), Michigan
OB-GYNs near Dr. Williams
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. Troy Christopher Williams billed Medicare for 260 services in 2024
CMS data shows 260 Medicare services from Dr. Williams across 1 procedure code in 2024, all of them office visits, for 12 Medicare patients. Medicare paid $20,658 for them. Every service was in an office.
Dr. Williams' Medicare services by type, 2019 to 2024
- 2019
- 2024
- Office and hospital visits
- 2019: 2142024: 26021%
Dr. Williams compared with the California median for OB-GYNs, 2024
- Dr. Williams
- California median
- Medicare services
- 260vs 584.5 times
- Medicare patients
- 12vs 5277% below
- Part D claims
- 13vs 3563% below
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Williams' 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. Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Troy Christopher Williams treated 12 Medicare patients in 2024, average age 70
CMS counts 12 Medicare patients who saw Dr. Williams in 2024. The largest group is under 65, with 0 patients. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 46, with 91% women.
Dr. Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women91%
- Men8%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Troy Christopher Williams wrote 104 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 104 Medicare Part D claims. 88% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $520 in total drug cost.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic91 claims88%
- Brand-name and other13 claims13%
Dr. Williams' most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Williams' Part D claims, 2024
- Antibiotics16%17 of 104 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Dr. Troy Christopher Williams offers telehealth to Medicare patients
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Williams as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Troy Christopher Williams has 1 publication on record
Dmand AI links 1 paper to Dr. Williams.
Recent publications by Dr. Williams
See who Dr. Williams researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Williams works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Troy Christopher Williams received $2,799 in industry payments from 2016 to 2025
CMS Open Payments shows 363 general payments to Dr. Williams from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 87% of the total. Abbvie Inc. paid the most, $654.
General payments to Dr. Williams by program year, 2016 to 2025
General payments to Dr. Williams by kind, 2016 to 2025
- Food and beverage$2,44187%
- Education$2067%
- Gifts$1515%
Companies that paid Dr. Williams 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. Troy Christopher Williams has 1 award and honors on record
Dmand AI lists 1 award for Dr. Williams.
Awards and honors for Dr. Williams
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Troy Christopher Williams graduated from Wayne State University School Of Medicine
Dr. Williams graduated from Wayne State University School Of Medicine in 2002.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Troy Christopher Williams accepts plans from 8 insurance carriers
Dr. Williams is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Cigna
- CMS Medicare
Plan types Dr. Williams accepts, by number of carriers
- Medicare7
- PPO7
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Troy Christopher Williams'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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. Troy Christopher Williams
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. Troy Christopher Williams' NPI number?
Dr. Troy Christopher Williams' NPI number is 1093929630. It was assigned on May 10, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Troy Christopher Williams?
Dr. Troy Christopher Williams is an OB-GYN in Westlake Village, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Troy Christopher Williams practice?
Dr. Williams practices at 32144 Agoura Rd, Westlake Village, CA 91361. Dr. Williams' primary practice is Xcell Surgery Center 2 LLC in Westlake Village, California. Dmand AI also links Dr. Williams to 1 group practice or clinic.
What is Dr. Troy Christopher Williams' office phone number?
The practice phone on file for Dr. Williams is (805) 601-7772.
What is Dr. Troy Christopher Williams' medical license number?
Dr. Williams holds California license A103922, one of the licenses on file in 2 states.
Which states has Dr. Troy Christopher Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in California (2008 to 2026) and Michigan (2002 to 2009).
What medical group is Dr. Troy Christopher Williams part of?
Dr. Williams is linked to Moorpark Women's Health & Spa.
Does Dr. Troy Christopher Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 260 services in 2024, and Dr. Williams accepts Medicare assignment.
Does Dr. Troy Christopher Williams offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Williams as offering telehealth services.
How many Medicare patients does Dr. Troy Christopher Williams see?
CMS counts 12 Medicare patients who saw Dr. Williams in 2024, with an average age of 70.
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Is Dr. Troy Christopher Williams board certified?
Yes. Dr. Williams is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
What services does Dr. Troy Christopher Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were office visit, established patient (99214).
Where did Dr. Troy Christopher Williams go to medical school?
Dr. Williams graduated from Wayne State University School Of Medicine in 2002.
What drugs does Dr. Troy Christopher Williams prescribe most?
In 2019 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Troy Christopher Williams received payments from drug or device companies?
CMS Open Payments shows $2,799 in general payments to Dr. Williams from 25 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Troy Christopher Williams been practicing?
Dr. Williams graduated from medical school in 2002, 24 years ago.
Does Dr. Troy Christopher Williams do research?
Dmand AI links 1 publication to Dr. Williams.
What insurance does Dr. Troy Christopher Williams accept?
Dr. Williams is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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