Thomas James Parrish, OD
- Medicare patients, 2024
- 554
- Part D claims, 2024
- 413
- Industry payments
- $27
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 805 N Main St, Carroll, IA 51401-2369
- Practice phone
- Call (712) 792-9687
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Carroll Eye Care Associates
Eye care practice · Carroll, Iowa
Find Thomas Parrish'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.
Thomas James Parrish is an optometrist in Carroll, Iowa
Thomas Parrish practices at Carroll Eye Care Associates in Carroll, Iowa.
Thomas Parrish's NPI, 1922488022, was assigned on June 3, 2015. Thomas Parrish graduated from Southern College of Optometry in 2015. Thomas Parrish holds Iowa license 078262.
- NPI
- 1922488022NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204147002
- NPI enumeration date
- June 3, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (712) 792-9687
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Thomas James Parrish practices at Carroll Eye Care Associates in Carroll, Iowa
Thomas Parrish's primary practice is Carroll Eye Care Associates, at 805 N Main St, Carroll, IA 51401-2369. The practice phone is (712) 792-9687.
- Carroll Eye Care Associates805 N Main St, Carroll, IA 51401-2369Phone(712) 792-9687
Source: Dmand AI Affiliation Data
Thomas James Parrish is affiliated with 1 site of care and 1 medical group
Thomas Parrish's primary practice is Carroll Eye Care Associates in Carroll, Iowa. Dmand AI also links Thomas Parrish to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Thomas James Parrish's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Parrish practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Carroll Eye Care Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Thomas James Parrish is one of 501 optometrists in Iowa
Optometrist is Thomas Parrish's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Thomas Parrish is licensed in Iowa.
Specialties and state licenses
- Optometrist, IowaPrimary
Optometrists near Thomas Parrish
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
Thomas James Parrish treated 554 Medicare patients in 2024, average age 75
CMS counts 554 Medicare patients who saw Thomas Parrish in 2024. The largest group is 65 to 74, with 267 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Thomas Parrish's median patient age at 62, with 58% women.
Thomas Parrish's Medicare patients by age, 2024
Thomas Parrish's Medicare patients by sex, 2024
- Women33961%
- Men21539%
Chronic conditions among Thomas Parrish's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis37%
- Diabetes25%
- Chronic kidney disease23%
- Mood disorders18%
- Ischemic heart disease17%
- Depression16%
Share of Medicare patients with each condition. A patient can have several.
Thomas Parrish's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Thomas James Parrish wrote 413 Medicare Part D claims in 2024
In 2024, Thomas Parrish wrote 413 Medicare Part D claims for 98 patients. 54% of them were for generic drugs.
Thomas Parrish's Part D claims by kind of drug, 2024
- Generic222 claims54%
- Brand-name191 claims46%
Drug classes CMS tracks in Thomas Parrish's Part D claims, 2024
- Antibiotics6%23 of 413 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
Thomas James Parrish ranks in the 66th percentile for cataract surgery in Medicare
Thomas Parrish accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 58 procedures of cataract surgery by Thomas Parrish, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Thomas Parrish ranks in Medicare procedure volume
- Cataract surgery
- 66th percentile58 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Thomas James Parrish received $27 in industry payments in 2025
CMS Open Payments shows 1 general payment to Thomas Parrish from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $27.
Companies that paid Thomas Parrish the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Thomas James Parrish graduated from Southern College of Optometry
Thomas Parrish graduated from Southern College of Optometry in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Thomas James Parrish'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 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 Thomas James Parrish
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Thomas James Parrish's NPI number?
Thomas James Parrish's NPI number is 1922488022. It was assigned on June 3, 2015, and it is active in the NPI Registry.
What does Thomas James Parrish specialize in?
Thomas James Parrish is an optometrist in Carroll, Iowa. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Thomas James Parrish practice?
Thomas Parrish practices at 805 N Main St, Carroll, IA 51401-2369. Thomas Parrish's primary practice is Carroll Eye Care Associates in Carroll, Iowa. Dmand AI also links Thomas Parrish to 1 medical group.
What is Thomas James Parrish's office phone number?
The practice phone on file for Thomas Parrish is (712) 792-9687.
What is Thomas James Parrish's medical license number?
Thomas Parrish holds Iowa license 078262.
Does Thomas James Parrish accept Medicare?
Yes. CMS lists Thomas Parrish as accepting Medicare assignment.
How many Medicare patients does Thomas James Parrish see?
CMS counts 554 Medicare patients who saw Thomas Parrish in 2024, with an average age of 75.
Where did Thomas James Parrish go to medical school?
Thomas Parrish graduated from Southern College of Optometry in 2015.
Has Thomas James Parrish received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Thomas Parrish from 1 company from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Thomas James Parrish been practicing?
Thomas Parrish graduated from medical school in 2015, 11 years ago.
Selling to optometrist practices?
See optometrists in Iowa by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card