Matthew W. Tomm

  • Thousand Oaks, CA
  • Physician assistant
NPI1336768050PAC ID8729483250
Medicare patients, 2024
293
Part D claims, 2024
637
MIPS score, 2024
100
Industry payments
$137
Affiliated sites
2
Practice address
555 Marin Street Suite 270, Thousand Oaks, CA 91360
Practice phone
Call (805) 719-0244
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Advanced Digestive Center of Southern California

Surgery Center - Not Medicare-Certified · Thousand Oaks, California

See all 4 affiliations

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Matthew W. Tomm is a physician assistant in Thousand Oaks, California

Matthew Tomm practices at Advanced Digestive Center of Southern California in Thousand Oaks, California.

Matthew Tomm's NPI, 1336768050, was assigned on April 13, 2020. Matthew Tomm graduated from Tufts University School of Medicine in 2021. Matthew Tomm holds Colorado license PA.0006686.

NPI and contact details
Medicare PAC ID
8729483250
NPI enumeration date
April 13, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(805) 719-0244
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
31
Medical school graduation
2021

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

Matthew W. Tomm practices at Advanced Digestive Center of Southern California in Thousand Oaks, California

Matthew Tomm's primary practice is Advanced Digestive Center of Southern California, at 555 Marin Street Suite 270, Thousand Oaks, CA 91360. The practice phone is (805) 719-0244.

  • Advanced Digestive Center of Southern California
    555 Marin Street Suite 270, Thousand Oaks, CA 91360Phone(805) 719-0244

Source: Dmand AI Affiliation Data

Matthew W. Tomm is affiliated with 2 sites of care and 2 medical groups

Matthew Tomm's primary practice is Advanced Digestive Center of Southern California in Thousand Oaks, California. The medical group on file is Bella Vista ENT & Facial Plastic Surgery. Dmand AI also links Matthew Tomm to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Matthew Tomm

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Matthew W. Tomm's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Tomm practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Advanced Digestive Center of Southern CaliforniaAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Matthew W. Tomm is one of 11,482 physician assistants in California

Physician assistant is Matthew Tomm's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Matthew Tomm is licensed in Colorado.

Specialties and state licenses

  • Physician assistant, ColoradoPrimaryLicense PA.0006686 · taxonomy 363A00000X

Physician assistants near Matthew Tomm

Counts of physician assistants 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

Matthew W. Tomm treated 293 Medicare patients in 2024, average age 76

CMS counts 293 Medicare patients who saw Matthew Tomm in 2024. The largest group is 75 to 84, with 129 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Matthew Tomm's median patient age at 58, with 46% women.

Medicare patients, 2024293
Average age76
Average risk score1.58
Also on Medicaid6%

Matthew Tomm's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Matthew Tomm's Medicare patients by sex, 2024

  • Women6121%
  • Men23279%

Chronic conditions among Matthew Tomm's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis50%
  4. Chronic kidney disease35%
  5. Ischemic heart disease32%
  6. Cancer30%
  7. Mood disorders28%
  8. Diabetes27%

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

Matthew Tomm's 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

  • Women46%
  • Men51%

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

Matthew W. Tomm wrote 637 Medicare Part D claims in 2024

In 2024, Matthew Tomm wrote 637 Medicare Part D claims for 245 patients. 82% of them were for generic drugs.

Part D claims, 2024637
Part D patients245

Matthew Tomm's Part D claims by kind of drug, 2024

  • Generic522 claims82%
  • Brand-name115 claims18%

Drug classes CMS tracks in Matthew Tomm's Part D claims, 2024

  • Opioids6%41 of 637 claims
  • Antibiotics25%159 of 637 claims

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

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Matthew W. Tomm scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Matthew Tomm for performance year 2024, reported as part of a group. Matthew Tomm accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Matthew Tomm's MIPS scores, performance year 2024

  • 100of 100Final score
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

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

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Matthew W. Tomm received $137 in industry payments in 2025

CMS Open Payments shows 8 general payments to Matthew Tomm from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $39.

Companies that paid Matthew Tomm the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Matthew Tomm

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

Matthew W. Tomm graduated from Tufts University School of Medicine

Matthew Tomm graduated from Tufts University School of Medicine in 2021.

  1. Medical schoolTufts University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Matthew W. Tomm'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
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 (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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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 Matthew W. Tomm

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Matthew W. Tomm's NPI number?

Matthew W. Tomm's NPI number is 1336768050. It was assigned on April 13, 2020, and it is active in the NPI Registry.

What does Matthew W. Tomm specialize in?

Matthew W. Tomm is a physician assistant in Thousand Oaks, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Matthew W. Tomm practice?

Matthew Tomm practices at 555 Marin Street Suite 270, Thousand Oaks, CA 91360. Matthew Tomm's primary practice is Advanced Digestive Center of Southern California in Thousand Oaks, California. Dmand AI also links Matthew Tomm to 1 group practice or clinic and 1 medical group.

What is Matthew W. Tomm's office phone number?

The practice phone on file for Matthew Tomm is (805) 719-0244.

What is Matthew W. Tomm's medical license number?

Matthew Tomm holds Colorado license PA.0006686.

What medical group is Matthew W. Tomm part of?

Matthew Tomm is linked to Bella Vista ENT & Facial Plastic Surgery. Dmand AI links Matthew Tomm to 1 more medical group.

Does Matthew W. Tomm accept Medicare?

Yes. CMS lists Matthew Tomm as accepting Medicare assignment.

What is Matthew W. Tomm's MIPS score?

Matthew Tomm's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does Matthew W. Tomm see?

CMS counts 293 Medicare patients who saw Matthew Tomm in 2024, with an average age of 76.

Where did Matthew W. Tomm go to medical school?

Matthew Tomm graduated from Tufts University School of Medicine in 2021.

Has Matthew W. Tomm received payments from drug or device companies?

CMS Open Payments shows $137 in general payments to Matthew Tomm from 5 companies from 2025 to 2025. The largest total came from Abbvie Inc.

How long has Matthew W. Tomm been practicing?

Matthew Tomm graduated from medical school in 2021, 5 years ago.

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