Rex A. Newcomb, OD
- Medicare patients, 2024
- 334
- Part D claims, 2024
- 698
- Industry payments
- $14
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1350 Spur Dr, Marshfield, MO 65706
- Practice phone
- Call (417) 345-2901
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Buffalo Eye Clinic & Marshfield Eye Clinic
Marshfield, Missouri
Find Rex Newcomb'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.
Rex A. Newcomb is an optometrist in Marshfield, Missouri
Rex Newcomb practices at Buffalo Eye Clinic & Marshfield Eye Clinic in Marshfield, Missouri.
Rex Newcomb's NPI, 1891771390, was assigned on December 16, 2005. Rex Newcomb graduated from University of Missouri St Louis - School of Optometry in 1984. Rex Newcomb holds Missouri license TO2572.
- NPI
- 1891771390NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597873455
- NPI enumeration date
- December 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (417) 345-2901
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Rex A. Newcomb practices at Buffalo Eye Clinic & Marshfield Eye Clinic in Marshfield, Missouri
Rex Newcomb's primary practice is Buffalo Eye Clinic & Marshfield Eye Clinic, at 1350 Spur Dr, Marshfield, MO 65706 in Webster County. The practice phone is (417) 345-2901.
- Buffalo Eye Clinic & Marshfield Eye Clinic1350 Spur Dr, Marshfield, MO 65706 · Webster CountyPhone(417) 345-2901
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Rex A. Newcomb is affiliated with 2 sites of care and 1 medical group
Rex Newcomb's primary practice is Buffalo Eye Clinic & Marshfield Eye Clinic in Marshfield, Missouri. Dmand AI also links Rex Newcomb to 1 group practice or clinic and 1 medical group, each 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 Rex A. Newcomb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rex Newcomb practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Buffalo Eye Clinic & Marshfield Eye Clinic | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Rex A. Newcomb is one of 866 optometrists in Missouri
Optometrist is Rex Newcomb's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Rex Newcomb is licensed in Missouri.
Specialties and state licenses
- Optometrist, MissouriPrimary
Optometrists near Rex Newcomb
Counts of optometrists 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
Rex A. Newcomb treated 334 Medicare patients in 2024, average age 74
CMS counts 334 Medicare patients who saw Rex Newcomb in 2024. The largest group is 65 to 74, with 152 patients. 73% of them have high cholesterol, and 69% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Rex Newcomb's median patient age at 76, with 60% women.
Rex Newcomb's Medicare patients by age, 2024
Rex Newcomb's Medicare patients by sex, 2024
- Women20160%
- Men13340%
Chronic conditions among Rex Newcomb's Medicare patients, 2024
- High cholesterol73%
- High blood pressure69%
- Arthritis43%
- Chronic kidney disease28%
- Diabetes28%
- Ischemic heart disease22%
- Mood disorders20%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Rex Newcomb'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
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Rex A. Newcomb wrote 698 Medicare Part D claims in 2024
In 2024, Rex Newcomb wrote 698 Medicare Part D claims for 217 patients. 63% of them were for generic drugs.
Rex Newcomb's Part D claims by kind of drug, 2024
- Generic439 claims63%
- Brand-name259 claims37%
Drug classes CMS tracks in Rex Newcomb's Part D claims, 2024
- Antibiotics2%13 of 698 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
Rex A. Newcomb ranks in the 50th percentile for cataract surgery in Medicare
Rex Newcomb accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 26 procedures of cataract surgery by Rex Newcomb, more than 50% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Rex Newcomb ranks in Medicare procedure volume
- Cataract surgery
- 50th percentile26 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Rex A. Newcomb received $14 in industry payments in 2025
CMS Open Payments shows 1 general payment to Rex Newcomb from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Dompe US, Inc. paid the most, $14.
Companies that paid Rex Newcomb the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Rex A. Newcomb graduated from University of Missouri St Louis - School of Optometry
Rex Newcomb graduated from University of Missouri St Louis - School of Optometry in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Rex A. Newcomb'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 patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - 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)Doctors and Clinicians Utilization Data (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 |
| 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 Rex A. Newcomb
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Rex A. Newcomb's NPI number?
Rex A. Newcomb's NPI number is 1891771390. It was assigned on December 16, 2005, and it is active in the NPI Registry.
What does Rex A. Newcomb specialize in?
Rex A. Newcomb is an optometrist in Marshfield, Missouri. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Rex A. Newcomb practice?
Rex Newcomb practices at 1350 Spur Dr, Marshfield, MO 65706. Rex Newcomb's primary practice is Buffalo Eye Clinic & Marshfield Eye Clinic in Marshfield, Missouri. Dmand AI also links Rex Newcomb to 1 group practice or clinic and 1 medical group.
What is Rex A. Newcomb's office phone number?
The practice phone on file for Rex Newcomb is (417) 345-2901.
What is Rex A. Newcomb's medical license number?
Rex Newcomb holds Missouri license TO2572.
Does Rex A. Newcomb accept Medicare?
Yes. CMS lists Rex Newcomb as accepting Medicare assignment.
How many Medicare patients does Rex A. Newcomb see?
CMS counts 334 Medicare patients who saw Rex Newcomb in 2024, with an average age of 74.
Where did Rex A. Newcomb go to medical school?
Rex Newcomb graduated from University of Missouri St Louis - School of Optometry in 1984.
Has Rex A. Newcomb received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Rex Newcomb from 1 company from 2025 to 2025. The largest total came from Dompe US, Inc.
How long has Rex A. Newcomb been practicing?
Rex Newcomb graduated from medical school in 1984, 42 years ago.
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