Timothy Joseph Wall

  • Walnut Creek, CA
  • Internist
NPI1659870939PAC ID3779833553
Medicare services, 2024
27
Medicare patients, 2024
35
Publications
1
MIPS score, 2024
90
Hospital affiliations
4
Practice address
1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
Practice phone
Call (925) 939-3000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

John Muir Medical Center, Walnut Creek

Hospital · Walnut Creek, California

See all 6 affiliations

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Timothy Joseph Wall is an internist in Walnut Creek, California

Timothy Wall practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.

Timothy Wall's NPI, 1659870939, was assigned on February 1, 2018. Timothy Wall graduated from Baylor College Of Medicine in 2018. Timothy Wall holds California license A182748.

NPI and contact details
Medicare PAC ID
3779833553
NPI enumeration date
February 1, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(925) 939-3000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
34
Medical school graduation
2018

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

Timothy Joseph Wall practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California

Timothy Wall's primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.

Source: Dmand AI Affiliation Data

Timothy Joseph Wall is affiliated with 4 sites of care and 2 medical groups

Timothy Wall's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Timothy Wall is also affiliated with Concord Medical Center. The medical group on file is John Muir Medical Group. Dmand AI also links Timothy Wall to 2 more hospitals and 1 medical group, each named with a free account.

See all 6 affiliations for Timothy Wall

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

Dmand AI tracks the EHR system at Timothy Joseph Wall's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Timothy Wall practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
John Muir Medical Center, Walnut CreekAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Timothy Joseph Wall is one of 16,751 internists in California

Internal medicine is Timothy Wall's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Timothy Wall is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Timothy Wall's licenses on file in 3 states: California, Virginia and Ohio.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A182748 · 2022 to 2026 · taxonomy 207R00000X
  • Virginia license2020 to 2022
  • Ohio license2018 to 2021

Clinical focus

Dmand AI lists loss of balance among the conditions Timothy Wall treats.

Internists near Timothy Wall

Counts of internists 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

Timothy Joseph Wall billed Medicare for 27 services in 2024

CMS data shows 27 Medicare services from Timothy Wall across 1 procedure code in 2024, for 35 Medicare patients. Medicare paid $4,119 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202427
Medicare patients35
Paid by Medicare$4,119
Procedure codes1

Timothy Wall compared with the California median for internists, 2024

  • Timothy Wall
  • California median
Medicare services
27vs 36193% below
Medicare patients
35vs 15177% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Timothy Wall'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.

See all procedures by Timothy Wall

Need commercial claims for Timothy Wall?

Medicare shows one payer. Book a meeting to get commercial claims data for Timothy Wall and other internists in California.

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

Timothy Joseph Wall treated 35 Medicare patients in 2024, average age 78

CMS counts 35 Medicare patients who saw Timothy Wall in 2024. The largest group is 75 to 84, with 13 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 40% are also on Medicaid. Their average risk score is 2.38, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Timothy Wall's median patient age at 63, with 50% women.

Medicare patients, 202435
Average age78
Average risk score2.38
Also on Medicaid40%

Timothy Wall's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Timothy Wall's Medicare patients by sex, 2024

  • Women2057%
  • Men1543%

Chronic conditions among Timothy Wall's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease54%
  4. Arthritis49%
  5. Atrial fibrillation49%
  6. Heart failure49%
  7. Ischemic heart disease49%
  8. Mood disorders46%

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

Timothy Wall's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women50%
  • Men47%

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

Timothy Joseph Wall scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Timothy Wall for performance year 2024, reported as part of a group. Timothy Wall accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Timothy Wall's MIPS scores, performance year 2024

  • 90of 100Final score
  • 89.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

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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Timothy Joseph Wall has 1 publication on record

Dmand AI links 1 paper to Timothy Wall in 2022. Timothy Wall's most frequent co-authors are Francis A. Essien, MD, John F. Madden, MD and Michael L. McGarvey, MD.

Papers1

Timothy Wall's most frequent co-authors

Recent publications by Timothy Wall

See all 1 publications and co-authors

See who Timothy Wall researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Timothy Wall works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Timothy Joseph Wall received $225 in industry payments from 2019 to 2021

CMS Open Payments shows 8 general payments to Timothy Wall from 3 drug and device companies from 2019 to 2021. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $160.

General payments to Timothy Wall by program year, 2019 to 2021

Companies that paid Timothy Wall the most, 2019 to 2021

Share is of all general payments to this clinician.

See all payments to Timothy Wall

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

Timothy Joseph Wall graduated from Baylor College Of Medicine

Timothy Wall graduated from Baylor College Of Medicine in 2018.

  1. Medical schoolBaylor College Of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Timothy Joseph Wall accepts plans from 5 insurance carriers

Timothy Wall is in network with 5 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Timothy Wall accepts, by number of carriers

  1. HMO3
  2. Medicare3
  3. POS3
  4. PPO3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Timothy Joseph Wall'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 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)
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Timothy Joseph Wall

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

What is Timothy Joseph Wall's NPI number?

Timothy Joseph Wall's NPI number is 1659870939. It was assigned on February 1, 2018, and it is active in the NPI Registry.

What does Timothy Joseph Wall specialize in?

Timothy Joseph Wall is an internist in Walnut Creek, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Timothy Joseph Wall practice?

Timothy Wall practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Timothy Wall's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Timothy Wall to 2 hospitals and 1 medical group.

What is Timothy Joseph Wall's office phone number?

The practice phone on file for Timothy Wall is (925) 939-3000.

What is Timothy Joseph Wall's medical license number?

Timothy Wall holds California license A182748, one of the licenses on file in 3 states.

Which states has Timothy Joseph Wall been licensed in?

Dmand AI has state licenses on file for Timothy Wall in California (2022 to 2026), Virginia (2020 to 2022) and Ohio (2018 to 2021).

Which hospitals is Timothy Joseph Wall affiliated with?

Timothy Wall practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California. Timothy Wall is also affiliated with Concord Medical Center. Dmand AI links Timothy Wall to 2 more hospitals.

What medical group is Timothy Joseph Wall part of?

Timothy Wall is linked to John Muir Medical Group. Dmand AI links Timothy Wall to 1 more medical group.

Does Timothy Joseph Wall accept Medicare?

Yes. CMS data shows Timothy Wall billed Medicare for 27 services in 2024, and Timothy Wall accepts Medicare assignment.

What is Timothy Joseph Wall's MIPS score?

Timothy Wall's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Timothy Joseph Wall see?

CMS counts 35 Medicare patients who saw Timothy Wall in 2024, with an average age of 78.

Is Timothy Joseph Wall board certified?

Yes. Timothy Wall is board certified in internal medicine by the American Board of Internal Medicine.

What services does Timothy Joseph Wall bill to Medicare?

In 2024, Timothy Wall's most billed Medicare services were hospital inpatient care (99223).

Where did Timothy Joseph Wall go to medical school?

Timothy Wall graduated from Baylor College Of Medicine in 2018.

Has Timothy Joseph Wall received payments from drug or device companies?

CMS Open Payments shows $225 in general payments to Timothy Wall from 3 companies from 2019 to 2021. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Timothy Joseph Wall been practicing?

Timothy Wall graduated from medical school in 2018, 8 years ago.

Does Timothy Joseph Wall do research?

Dmand AI links 1 publication to Timothy Wall.

Who does Timothy Joseph Wall publish with?

Timothy Wall's most frequent co-authors are Francis A. Essien, MD (1 shared paper), John F. Madden, MD (1 shared paper) and Michael L. McGarvey, MD (1 shared paper).

What insurance does Timothy Joseph Wall accept?

Timothy Wall is in network with 5 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.

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