Dr. Timothy H. Downing, MD
- Medicare services, 2024
- 55
- Medicare patients, 2024
- 161
- Hospital affiliations
- 2
- Industry payments
- $1,933
- Medical group
- 1
- Practice address
- 101 E. Valencia Mesa Drive, Fullerton, CA 92835
- Practice phone
- Call (714) 578-8706
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Jude Medical Center - Unit
Acute Care Hospital-Unit · Fullerton, California
Find Dr. Downing's professional email, personal email and mobile number
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Dr. Timothy H. Downing is an anesthesiologist in Fullerton, California
Dr. Downing practices at St. Jude Medical Center - Unit in Fullerton, California.
Dr. Downing's NPI, 1629158761, was assigned on October 16, 2006. Dr. Downing graduated from UNR Med in 1992. Dr. Downing's California license number on file is 000000G79060.
- NPI
- 1629158761NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931203866
- NPI enumeration date
- October 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 578-8706
- 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. Timothy H. Downing practices at St. Jude Medical Center - Unit in Fullerton, California
Dr. Downing's primary practice is St. Jude Medical Center - Unit, at 101 E. Valencia Mesa Drive, Fullerton, CA 92835 in Orange County. The practice phone is (714) 578-8706.
- St. Jude Medical Center - Unit101 E. Valencia Mesa Drive, Fullerton, CA 92835 · Orange CountyPhone(714) 578-8706
Source: Dmand AI Affiliation Data
Dr. Timothy H. Downing is affiliated with 2 sites of care and 1 medical group
Dr. Downing's primary practice is St. Jude Medical Center - Unit in Fullerton, California. Dr. Downing is also affiliated with Providence St. Jude Medical Center. The medical group on file is Allied Anesthesia Medical Group.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Timothy H. Downing's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Downing practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Jude Medical Center - Unit | 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. Timothy H. Downing is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Downing's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Downing is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Downing has a license on file in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Downing
Counts of anesthesiologists 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. Timothy H. Downing billed Medicare for 55 services in 2024
CMS data shows 55 Medicare services from Dr. Downing across 2 procedure codes in 2024, for 161 Medicare patients. Medicare paid $5,552 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Downing's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 662024: 5517%
- Surgery
- 2023: 112024: 0100%
Dr. Downing compared with the California median for anesthesiologists, 2024
- Dr. Downing
- California median
- Medicare services
- 55vs 7224% below
- Medicare patients
- 161vs 14313% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Downing'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.
Need commercial claims for Dr. Downing?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Downing and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy H. Downing treated 161 Medicare patients in 2024, average age 77
CMS counts 161 Medicare patients who saw Dr. Downing in 2024. The largest group is 75 to 84, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.72, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Downing's median patient age at 69, with 55% women.
Dr. Downing's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Downing's Medicare patients by sex, 2024
- Women7446%
- Men8754%
Chronic conditions among Dr. Downing's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes43%
- Chronic kidney disease35%
- Ischemic heart disease35%
- Atrial fibrillation27%
- Heart failure27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Downing's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Timothy H. Downing takes part in Medicare
Dr. Downing 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. Timothy H. Downing received $1,933 in industry payments from 2016 to 2025
CMS Open Payments shows 22 general payments to Dr. Downing from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Mallinckrodt LLC paid the most, $250.
General payments to Dr. Downing by program year, 2016 to 2025
Companies that paid Dr. Downing 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. Timothy H. Downing graduated from UNR Med
Dr. Downing graduated from UNR Med in 1992.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Timothy H. Downing accepts plans from 1 insurance carrier
Dr. Downing is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Timothy H. Downing'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 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) |
| 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) |
| 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. Timothy H. Downing
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. Timothy H. Downing's NPI number?
Dr. Timothy H. Downing's NPI number is 1629158761. It was assigned on October 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy H. Downing?
Dr. Timothy H. Downing is an anesthesiologist in Fullerton, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Timothy H. Downing practice?
Dr. Downing practices at 101 E. Valencia Mesa Drive, Fullerton, CA 92835. Dr. Downing's primary practice is St. Jude Medical Center - Unit in Fullerton, California.
What is Dr. Timothy H. Downing's office phone number?
The practice phone on file for Dr. Downing is (714) 578-8706.
What is Dr. Timothy H. Downing's medical license number?
Dr. Downing's California license number on file is 000000G79060.
Which hospitals is Dr. Timothy H. Downing affiliated with?
Dr. Downing is affiliated with Providence St. Jude Medical Center. Dmand AI links Dr. Downing to 1 more hospital.
What medical group is Dr. Timothy H. Downing part of?
Dr. Downing is linked to Allied Anesthesia Medical Group.
Does Dr. Timothy H. Downing accept Medicare?
Yes. CMS data shows Dr. Downing billed Medicare for 55 services in 2024, and Dr. Downing accepts Medicare assignment.
How many Medicare patients does Dr. Timothy H. Downing see?
CMS counts 161 Medicare patients who saw Dr. Downing in 2024, with an average age of 77.
Is Dr. Timothy H. Downing board certified?
Yes. Dr. Downing is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Timothy H. Downing bill to Medicare?
In 2024, Dr. Downing's most billed Medicare services were anesthesia (00731) and anesthesia (00142).
Where did Dr. Timothy H. Downing go to medical school?
Dr. Downing graduated from UNR Med in 1992.
Has Dr. Timothy H. Downing received payments from drug or device companies?
CMS Open Payments shows $1,933 in general payments to Dr. Downing from 15 companies from 2016 to 2025. The largest total came from Mallinckrodt LLC.
How long has Dr. Timothy H. Downing been practicing?
Dr. Downing graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Timothy H. Downing accept?
Dr. Downing is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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