Dr. Timothy Lee Williamson, MD
- Medicare services, 2023
- 758
- Part D claims, 2024
- 180
- Hospital affiliations
- 1
- Industry payments
- $549
- Medical group
- 1
- Practice address
- 3265 Lawson Blvd, Oceanside, NY 11572
- Practice phone
- Call (516) 858-2310
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Caring24 Technologies, Inc
Oceanside, New York
Find Dr. Williamson'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. Timothy Lee Williamson is an emergency medicine physician in Oceanside, New York
Dr. Williamson practices at Caring24 Technologies, Inc in Oceanside, New York.
Dr. Williamson's NPI, 1023168721, was assigned on January 12, 2007. Dr. Williamson graduated from University Of Washington School Of Medicine in 1974. Dr. Williamson's California license number on file is G32937.
- NPI
- 1023168721NPI Registry (opens in a new tab)
- NPI enumeration date
- January 12, 2007
- NPI status
- Active
- Practice phone
- (516) 858-2310
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Timothy Lee Williamson practices at Caring24 Technologies, Inc in Oceanside, New York
Dr. Williamson's primary practice is Caring24 Technologies, Inc, at 3265 Lawson Blvd, Oceanside, NY 11572 in Nassau County. The practice phone is (516) 858-2310.
- Caring24 Technologies, Inc3265 Lawson Blvd, Oceanside, NY 11572 · Nassau CountyPhone(516) 858-2310
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Timothy Lee Williamson is affiliated with 2 sites of care and 1 medical group
Dr. Williamson's primary practice is Caring24 Technologies, Inc in Oceanside, New York. Dr. Williamson is also affiliated with Community Memorial Hospital - Ojai. The medical group on file is Ojai Valley Emergency Physicians.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Timothy Lee Williamson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williamson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Caring24 Technologies, Inc | 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 Lee Williamson is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Williamson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Williamson is board certified in pediatrics by the American Board of Pediatrics. Dr. Williamson has a license on file in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, adjustment disease, anxiety, asthma, bursitis, chest wall injury and chronic diabetes among the conditions Dr. Williamson treats.
Emergency medicine physicians near Dr. Williamson
Counts of emergency medicine physicians 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 Lee Williamson billed Medicare for 758 services in 2023
CMS data shows 758 Medicare services from Dr. Williamson across 11 procedure codes in 2023. Medicare paid $53,589 for them. Every service was in an office.
Dr. Williamson's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 4822023: 4761%
- Other services
- 2022: 1712023: 1663%
- Surgery
- 2022: 842023: 885%
- Tests and treatments
- 2022: 362023: 2822%
Dr. Williamson compared with the New York median for emergency medicine physicians, 2023
- Dr. Williamson
- New York median
- Medicare services
- 758vs 2193.5 times
- Part D claims
- 64vs 292.2 times
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Williamson's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williamson and other emergency medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy Lee Williamson's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Williamson's median patient age at 76, with 63% women.
Dr. Williamson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women63%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. Timothy Lee Williamson wrote 180 Medicare Part D claims in 2024
In 2024, Dr. Williamson wrote 180 Medicare Part D claims for 65 patients. 88% of them were for generic drugs. CMS names the drug for 64 of them, across 5 drugs with 11 or more claims each, at $1,288 in total drug cost. In 2023, CMS named 755 claims across 29 drugs.
Dr. Williamson's Part D claims by kind of drug, 2024
- Generic159 claims88%
- Brand-name21 claims12%
Dr. Williamson's 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7552024: 6492%
Drugs named by CMS: 5 in 2024, 29 in 2023.
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
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Dr. Timothy Lee Williamson received $549 in industry payments from 2016 to 2023
CMS Open Payments shows 5 general payments to Dr. Williamson from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $169.
General payments to Dr. Williamson by program year, 2016 to 2023
Companies that paid Dr. Williamson the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy Lee Williamson graduated from University Of Washington School Of Medicine
Dr. Williamson graduated from University Of Washington School Of Medicine in 1974. Dr. Williamson is a member of Pri-Med West.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Timothy Lee Williamson accepts plans from 5 insurance carriers
Dr. Williamson is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Williamson accepts, by number of carriers
- Medicare5
- PPO5
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Timothy Lee Williamson'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 DataDmand AI Org Hierarchy 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 Data |
| Part D prescribing | Medicare 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) |
| 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 Lee Williamson
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 Lee Williamson's NPI number?
Dr. Timothy Lee Williamson's NPI number is 1023168721. It was assigned on January 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy Lee Williamson?
Dr. Timothy Lee Williamson is an emergency medicine physician in Oceanside, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Timothy Lee Williamson practice?
Dr. Williamson practices at 3265 Lawson Blvd, Oceanside, NY 11572. Dr. Williamson's primary practice is Caring24 Technologies, Inc in Oceanside, New York.
What is Dr. Timothy Lee Williamson's office phone number?
The practice phone on file for Dr. Williamson is (516) 858-2310.
What is Dr. Timothy Lee Williamson's medical license number?
Dr. Williamson's California license number on file is G32937.
Which hospitals is Dr. Timothy Lee Williamson affiliated with?
Dr. Williamson is affiliated with Community Memorial Hospital - Ojai.
What medical group is Dr. Timothy Lee Williamson part of?
Dr. Williamson is linked to Ojai Valley Emergency Physicians.
Does Dr. Timothy Lee Williamson accept Medicare?
Yes. CMS data shows Dr. Williamson billed Medicare for 758 services in 2023.
Is Dr. Timothy Lee Williamson board certified?
Yes. Dr. Williamson is board certified in pediatrics by the American Board of Pediatrics.
What services does Dr. Timothy Lee Williamson bill to Medicare?
In 2023, Dr. Williamson's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and care management and other visits (99497).
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Where did Dr. Timothy Lee Williamson go to medical school?
Dr. Williamson graduated from University Of Washington School Of Medicine in 1974.
What drugs does Dr. Timothy Lee Williamson prescribe most?
In 2024 Medicare Part D data, Dr. Williamson's most prescribed drugs by claims were Levothyroxine Sodium, Benazepril HCl and Atorvastatin Calcium.
Has Dr. Timothy Lee Williamson received payments from drug or device companies?
CMS Open Payments shows $549 in general payments to Dr. Williamson from 4 companies from 2016 to 2023. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Timothy Lee Williamson been practicing?
Dr. Williamson graduated from medical school in 1974, 52 years ago.
What insurance does Dr. Timothy Lee Williamson accept?
Dr. Williamson is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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