Dr. Thomas G. Sinclair Jr., MD
- Medicare services, 2021
- 565
- Part D claims, 2021
- 21
- Publications
- 1
- Industry payments
- $933
- Affiliated sites
- 1
- Practice address
- 1 Hoag Dr, Newport Beach, CA 92663
- Practice phone
- Call (949) 764-4624
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hoag Hospital Newport Beach
Newport Beach, California
Find Dr. Sinclair's 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. Thomas G. Sinclair Jr. is an anesthesiologist in Newport Beach, California
Dr. Sinclair practices at Hoag Hospital Newport Beach in Newport Beach, California.
Dr. Sinclair's NPI, 1841230430, was assigned on June 8, 2006. Dr. Sinclair graduated from University Of Cincinnati College Of Medicine in 1977. Dr. Sinclair's California license number on file is G38388.
- NPI
- 1841230430NPI Registry (opens in a new tab)
- NPI enumeration date
- June 8, 2006
- NPI status
- Active
- Practice phone
- (949) 764-4624
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Thomas G. Sinclair Jr. practices at Hoag Hospital Newport Beach in Newport Beach, California
Dr. Sinclair's primary practice is Hoag Hospital Newport Beach, at 1 Hoag Dr, Newport Beach, CA 92663 in Orange County. The practice phone is (949) 764-4624.
- Hoag Hospital Newport Beach1 Hoag Dr, Newport Beach, CA 92663 · Orange CountyPhone(949) 764-4624
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas G. Sinclair Jr. is affiliated with 2 sites of care
Dr. Sinclair's primary practice is Hoag Hospital Newport Beach in Newport Beach, California. Dmand AI also links Dr. Sinclair to 1 physician office, 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. Thomas G. Sinclair Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sinclair practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hoag Hospital Newport Beach | 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. Thomas G. Sinclair Jr. is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Sinclair's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Sinclair is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Sinclair's licenses on file in 2 states: California and Iowa.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Iowa license
Anesthesiologists near Dr. Sinclair
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. Thomas G. Sinclair Jr. billed Medicare for 565 services in 2021
CMS data shows 565 Medicare services from Dr. Sinclair across 7 procedure codes in 2021. Medicare paid $35,549 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sinclair's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Surgery
- 2020: 2032021: 28540%
- Tests and treatments
- 2020: 692021: 170146%
- Office and hospital visits
- 2020: 542021: 110104%
- Anesthesia
- 2020: 672021: 0100%
Dr. Sinclair compared with the California median for anesthesiologists, 2021
- Dr. Sinclair
- California median
- Medicare services
- 565vs 727.8 times
- Part D claims
- 21vs 239% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Sinclair's most billed Medicare procedure codes, 2021
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. Sinclair?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sinclair and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas G. Sinclair Jr. wrote 21 Medicare Part D claims in 2021
In 2021, Dr. Sinclair wrote 21 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $419 in total drug cost. In 2020, CMS named 52 claims across 4 drugs.
Dr. Sinclair's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 522021: 2160%
Drugs named by CMS: 1 in 2021, 4 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Thomas G. Sinclair Jr. has 1 publication on record
Dmand AI links 1 paper to Dr. Sinclair.
Recent publications by Dr. Sinclair
See who Dr. Sinclair researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sinclair works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas G. Sinclair Jr. received $933 in industry payments from 2016 to 2022
CMS Open Payments shows 23 general payments to Dr. Sinclair from 15 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 89% of the total. Halyard Health, Inc. paid the most, $238.
General payments to Dr. Sinclair by program year, 2016 to 2022
General payments to Dr. Sinclair by kind, 2016 to 2022
- Food and beverage$83189%
- Speaker and faculty fees$10211%
Companies that paid Dr. Sinclair the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas G. Sinclair Jr. graduated from University Of Cincinnati College Of Medicine
Dr. Sinclair graduated from University Of Cincinnati College Of Medicine in 1977.
- Medical school
- Board certified in anesthesiology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas G. Sinclair Jr.'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Thomas G. Sinclair Jr.
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. Thomas G. Sinclair Jr.'s NPI number?
Dr. Thomas G. Sinclair Jr.'s NPI number is 1841230430. It was assigned on June 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas G. Sinclair Jr.?
Dr. Thomas G. Sinclair Jr. is an anesthesiologist in Newport Beach, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Thomas G. Sinclair Jr. practice?
Dr. Sinclair practices at 1 Hoag Dr, Newport Beach, CA 92663. Dr. Sinclair's primary practice is Hoag Hospital Newport Beach in Newport Beach, California. Dmand AI also links Dr. Sinclair to 1 physician office.
What is Dr. Thomas G. Sinclair Jr.'s office phone number?
The practice phone on file for Dr. Sinclair is (949) 764-4624.
What is Dr. Thomas G. Sinclair Jr.'s medical license number?
Dr. Sinclair's California license number on file is G38388, one of the licenses on file in 2 states.
Which states has Dr. Thomas G. Sinclair Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Sinclair in California (1978 to 2023) and Iowa (1983 to 1984).
Does Dr. Thomas G. Sinclair Jr. accept Medicare?
Yes. CMS data shows Dr. Sinclair billed Medicare for 565 services in 2021.
Is Dr. Thomas G. Sinclair Jr. board certified?
Yes. Dr. Sinclair is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Thomas G. Sinclair Jr. bill to Medicare?
In 2021, Dr. Sinclair's most billed Medicare services were surgery: skin and soft tissue (11042), special service (99183) and office visit, established patient (99212).
Where did Dr. Thomas G. Sinclair Jr. go to medical school?
Dr. Sinclair graduated from University Of Cincinnati College Of Medicine in 1977.
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What drugs does Dr. Thomas G. Sinclair Jr. prescribe most?
In 2021 Medicare Part D data, Dr. Sinclair's most prescribed drugs by claims were Doxycycline Hyclate.
Has Dr. Thomas G. Sinclair Jr. received payments from drug or device companies?
CMS Open Payments shows $933 in general payments to Dr. Sinclair from 15 companies from 2016 to 2022. The largest total came from Halyard Health, Inc.
How long has Dr. Thomas G. Sinclair Jr. been practicing?
Dr. Sinclair graduated from medical school in 1977, 49 years ago.
Does Dr. Thomas G. Sinclair Jr. do research?
Dmand AI links 1 publication to Dr. Sinclair.
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