Dr. Walter Alain Thomas, MD

  • Westlake Village, CA
  • Orthopedic surgeon
NPI1063404606PAC ID8426030925
Medicare services, 2024
9,451
Medicare patients, 2024
300
Part D claims, 2024
147
MIPS score, 2024
75
Industry payments
$16,278
Practice address
696 Hampshire Rd, Westlake Village, CA 91361
Practice phone
Call (805) 442-7204
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Westlake Cosmetic Surgery Center

Westlake Village, California

See all 4 affiliations

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Dr. Walter Alain Thomas is an orthopedic surgeon in Westlake Village, California

Dr. Thomas practices at Westlake Cosmetic Surgery Center in Westlake Village, California.

Dr. Thomas' NPI, 1063404606, was assigned on August 19, 2005. Dr. Thomas graduated from Loma Linda University School Of Medicine in 1997. Dr. Thomas holds California license A67913.

NPI and contact details
Medicare PAC ID
8426030925
NPI enumeration date
August 19, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(805) 442-7204
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1997

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Walter Alain Thomas practices at Westlake Cosmetic Surgery Center in Westlake Village, California

Dr. Thomas' primary practice is Westlake Cosmetic Surgery Center, at 696 Hampshire Rd, Westlake Village, CA 91361 in Ventura County. The practice phone is (805) 442-7204.

  • Westlake Cosmetic Surgery Center
    696 Hampshire Rd, Westlake Village, CA 91361 · Ventura CountyPhone(805) 442-7204

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Walter Alain Thomas is affiliated with 3 sites of care and 1 medical group

Dr. Thomas' primary practice is Westlake Cosmetic Surgery Center in Westlake Village, California. Dmand AI also links Dr. Thomas to 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Thomas

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Walter Alain 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.

EHR by site
SiteEHR vendor and product
Westlake Cosmetic Surgery CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Walter Alain Thomas is one of 2,056 orthopedic surgeons in California

Orthopaedic surgery is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Thomas is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Thomas is licensed in California.

Specialties and state licenses

  • Orthopaedic surgery, CaliforniaPrimaryLicense A67913 · 1999 to 2026 · taxonomy 207X00000X

Clinical focus

Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, broken or dislocated ankle/ or foot, bursitis, fluid in a joint, hand joint or tendon inflammation, joint pain and knee arthroscopy among the conditions Dr. Thomas treats.

Orthopedic surgeons near Dr. Thomas

Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.

2,056orthopedic surgeons in California
2orthopedic surgeons in Westlake Village

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Walter Alain Thomas billed Medicare for 9,451 services in 2024

CMS data shows 9,451 Medicare services from Dr. Thomas across 15 procedure codes in 2024, for 300 Medicare patients. Medicare paid $142,578 for them.

Medicare services, 20249,451
Medicare patients300
Paid by Medicare$142,578
Procedure codes15

Dr. Thomas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 4,7782024: 7,71161%
Office and hospital visits
2023: 6452024: 6684%
Imaging
2023: 4542024: 52215%
Surgery
2023: 3952024: 43811%
Tests and treatments
2023: 02024: 112

Where Dr. Thomas' Medicare services took place, 2024

  • In an office9,414100%
  • In a facility370%

Dr. Thomas compared with the California median for orthopedic surgeons, 2024

  • Dr. Thomas
  • California median
Medicare services
9,451vs 68313.8 times
Medicare patients
300vs 21540% above
Part D claims
80vs 7014% above

Medians across 1,844 orthopedic surgeons 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.

See all procedures by Dr. Thomas

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Walter Alain Thomas treated 300 Medicare patients in 2024, average age 72

CMS counts 300 Medicare patients who saw Dr. Thomas in 2024. The largest group is 65 to 74, with 195 patients. 75% of them have high cholesterol, and 73% have arthritis. Their average risk score is 0.82, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 58, with 50% women.

Medicare patients, 2024300
Average age72
Average risk score0.82

Dr. Thomas' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Thomas' Medicare patients by sex, 2024

  • Women16856%
  • Men13244%

Chronic conditions among Dr. Thomas' Medicare patients, 2024

  1. High cholesterol75%
  2. Arthritis73%
  3. High blood pressure57%
  4. Ischemic heart disease28%
  5. Anxiety21%
  6. Osteoporosis19%
  7. Mood disorders16%
  8. Depression15%

Share of Medicare patients with each condition. A patient can have several.

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 58

Patient panel by sex, all payers

  • Women50%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Walter Alain Thomas wrote 147 Medicare Part D claims in 2024

In 2024, Dr. Thomas wrote 147 Medicare Part D claims for 51 patients. 98% of them were for generic drugs. CMS names the drug for 80 of them, across 4 drugs with 11 or more claims each, at $579 in total drug cost. In 2023, CMS named 74 claims across 3 drugs.

Part D claims, 2024147
Drugs named by CMS4
Total drug cost$579
Part D patients51

Dr. Thomas' Part D claims by kind of drug, 2024

  • Generic144 claims98%
  • Brand-name and other3 claims2%

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.

Drug classes CMS tracks in Dr. Thomas' Part D claims, 2024

  • Opioids22%33 of 147 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 742024: 808%

Drugs named by CMS: 4 in 2024, 3 in 2023.

See all prescribing by Dr. Thomas

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. Walter Alain Thomas scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Thomas for performance year 2024, reported individually. Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Thomas as offering telehealth. CMS counts 74 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Thomas, more than 93% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes
MIPS final score, 2024
75 of 100

Where Dr. Thomas ranks in Medicare procedure volume

Upper limb (arm) arthroscopy (minimally invasive joint repair)
93rd percentile74 procedures
Lower limb (leg) arthroscopy (minimally invasive joint repair)
91st percentile18 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Walter Alain Thomas received $16,278 in industry payments from 2016 to 2025

CMS Open Payments shows 85 general payments to Dr. Thomas from 12 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 36% of the total. Arthrex, Inc. paid the most, $12,701.

General payments to Dr. Thomas by program year, 2016 to 2025

General payments to Dr. Thomas by kind, 2016 to 2025

$16.3Kin total
  • Travel and lodging$5,78136%
  • Education$4,27026%
  • Food and beverage$4,22726%
  • Speaker and faculty fees$2,00012%

Companies that paid Dr. Thomas the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Thomas

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Walter Alain Thomas graduated from Loma Linda University School Of Medicine

Dr. Thomas graduated from Loma Linda University School Of Medicine in 1997.

  1. Medical schoolLoma Linda University School Of Medicine
  2. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. Walter Alain Thomas accepts plans from 9 insurance carriers

Dr. Thomas is in network with 9 carriers, including Blue Cross Blue Shield of Michigan, Aetna and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +1 more carriersWith a free account

Plan types Dr. Thomas accepts, by number of carriers

  1. Medicare6
  2. PPO6
  3. HMO3
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Walter Alain Thomas's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Walter Alain 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. Walter Alain Thomas' NPI number?

Dr. Walter Alain Thomas' NPI number is 1063404606. It was assigned on August 19, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Walter Alain Thomas?

Dr. Walter Alain Thomas is an orthopedic surgeon in Westlake Village, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Walter Alain Thomas practice?

Dr. Thomas practices at 696 Hampshire Rd, Westlake Village, CA 91361. Dr. Thomas' primary practice is Westlake Cosmetic Surgery Center in Westlake Village, California. Dmand AI also links Dr. Thomas to 1 physician office, 1 group practice or clinic and 1 medical group.

What is Dr. Walter Alain Thomas' office phone number?

The practice phone on file for Dr. Thomas is (805) 442-7204.

What is Dr. Walter Alain Thomas' medical license number?

Dr. Thomas holds California license A67913.

Does Dr. Walter Alain Thomas accept Medicare?

Yes. CMS data shows Dr. Thomas billed Medicare for 9,451 services in 2024, and Dr. Thomas accepts Medicare assignment.

Does Dr. Walter Alain Thomas offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Thomas as offering telehealth services.

What is Dr. Walter Alain Thomas' MIPS score?

Dr. Thomas' MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Dr. Walter Alain Thomas see?

CMS counts 300 Medicare patients who saw Dr. Thomas in 2024, with an average age of 72.

Is Dr. Walter Alain Thomas board certified?

Yes. Dr. Thomas is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.

Show 6 more questionsShow fewer questions

What services does Dr. Walter Alain Thomas bill to Medicare?

In 2024, Dr. Thomas' most billed Medicare services were injected or infused drug (J7331), injected or infused drug (J1010) and office visit, established patient (99212).

Where did Dr. Walter Alain Thomas go to medical school?

Dr. Thomas graduated from Loma Linda University School Of Medicine in 1997.

What drugs does Dr. Walter Alain Thomas prescribe most?

In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Gabapentin, Ibuprofen and Celecoxib.

Has Dr. Walter Alain Thomas received payments from drug or device companies?

CMS Open Payments shows $16,278 in general payments to Dr. Thomas from 12 companies from 2016 to 2025. The largest total came from Arthrex, Inc.

How long has Dr. Walter Alain Thomas been practicing?

Dr. Thomas graduated from medical school in 1997, 29 years ago.

What insurance does Dr. Walter Alain Thomas accept?

Dr. Thomas is in network with 9 carriers, including Blue Cross Blue Shield of Michigan, Aetna and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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