Dr. Thomas Allen Simpson, MD
- Medicare services, 2024
- 4,077
- Medicare patients, 2024
- 935
- Part D claims, 2024
- 2,101
- Hospital affiliations
- 3
- Industry payments
- $3,977
- Practice address
- 2963 Northgate Drive, Iowa City, IA 52245
- Practice phone
- Call (319) 248-1500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Iowa City Ambulatory Surgical Center
Surgery Center - Medicare-Certified · Iowa City, Iowa
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Dr. Thomas Allen Simpson is an otolaryngology/facial plastic surgery physician in Iowa City, Iowa
Dr. Simpson practices at Iowa City Ambulatory Surgical Center in Iowa City, Iowa.
Dr. Simpson's NPI, 1285672428, was assigned on June 2, 2006. Dr. Simpson graduated from University of Iowa, RJ & L Carver College of Medicine in 1990. Dr. Simpson holds Iowa license 28225.
- NPI
- 1285672428NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557350980
- NPI enumeration date
- June 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (319) 248-1500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Allen Simpson practices at Iowa City Ambulatory Surgical Center in Iowa City, Iowa
Dr. Simpson's primary practice is Iowa City Ambulatory Surgical Center, at 2963 Northgate Drive, Iowa City, IA 52245. The practice phone is (319) 248-1500.
- Iowa City Ambulatory Surgical Center2963 Northgate Drive, Iowa City, IA 52245Phone(319) 248-1500
Source: Dmand AI Affiliation Data
Dr. Thomas Allen Simpson is affiliated with 7 sites of care and 3 medical groups
Dr. Simpson's primary practice is Iowa City Ambulatory Surgical Center in Iowa City, Iowa. Dr. Simpson is also affiliated with University of Iowa Health Care Medical Center. The medical group on file is Progressive Rehabilitation Associates. Dmand AI also links Dr. Simpson to 2 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Allen Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simpson practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Iowa City Ambulatory Surgical Center | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Allen Simpson is one of 13 otolaryngology/facial plastic surgery physicians in Iowa
Otolaryngology/facial plastic surgery is Dr. Simpson's primary specialty in the NPI Registry, under taxonomy code 207YX0905X. Dr. Simpson is licensed in Iowa.
Specialties and state licenses
- Otolaryngology/facial plastic surgery, IowaPrimary
Otolaryngology/facial plastic surgery physicians near Dr. Simpson
Counts of otolaryngology/facial plastic surgery 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. Thomas Allen Simpson billed Medicare for 4,077 services in 2024
CMS data shows 4,077 Medicare services from Dr. Simpson across 20 procedure codes in 2024, for 935 Medicare patients. Medicare paid $187,502 for them. Every service was in an office.
Dr. Simpson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,7242024: 1,5987%
- Office and hospital visits
- 2023: 1,4782024: 1,4971%
- Surgery
- 2023: 8992024: 8743%
- Other services
- 2023: 1002024: 1088%
Dr. Simpson compared with the Iowa median for otolaryngology/facial plastic surgery physicians, 2024
- Dr. Simpson
- Iowa median
- Medicare services
- 4,077vs 8954.6 times
- Medicare patients
- 935vs 3302.8 times
- Part D claims
- 1,983vs 3885.1 times
Medians across 13 otolaryngology/facial plastic surgery physicians in Iowa with Dmand AI profiles that report each measure.
Dr. Simpson'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Simpson and other otolaryngology/facial plastic surgery physicians in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Allen Simpson treated 935 Medicare patients in 2024, average age 75
CMS counts 935 Medicare patients who saw Dr. Simpson in 2024. The largest group is 65 to 74, with 428 patients. 74% of them have high cholesterol, and 72% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Simpson's median patient age at 61, with 52% women.
Dr. Simpson's Medicare patients by age, 2024
Dr. Simpson's Medicare patients by sex, 2024
- Women52756%
- Men40844%
Chronic conditions among Dr. Simpson's Medicare patients, 2024
- High cholesterol74%
- High blood pressure72%
- Arthritis45%
- Diabetes24%
- Anxiety23%
- Mood disorders22%
- Depression21%
- Ischemic heart disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simpson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Allen Simpson wrote 2,101 Medicare Part D claims in 2024
In 2024, Dr. Simpson wrote 2,101 Medicare Part D claims for 444 patients. 98% of them were for generic drugs. CMS names the drug for 1,983 of them, across 25 drugs with 11 or more claims each, at $21,732 in total drug cost. In 2023, CMS named 1,710 claims across 23 drugs.
Dr. Simpson's Part D claims by kind of drug, 2024
- Generic2,054 claims98%
- Brand-name47 claims2%
Dr. Simpson'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.
Drug classes CMS tracks in Dr. Simpson's Part D claims, 2024
- Antibiotics4%89 of 2,101 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7102024: 1,98316%
Drugs named by CMS: 25 in 2024, 23 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
Dr. Thomas Allen Simpson scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Simpson for performance year 2024, reported individually. Dr. Simpson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Simpson's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Thomas Allen Simpson received $3,977 in industry payments from 2016 to 2025
CMS Open Payments shows 127 general payments to Dr. Simpson from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Entellus Medical, Inc. paid the most, $1,303.
General payments to Dr. Simpson by program year, 2016 to 2025
General payments to Dr. Simpson by kind, 2016 to 2025
- Food and beverage$3,02276%
- Travel and lodging$95524%
Companies that paid Dr. Simpson 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. Thomas Allen Simpson graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Simpson graduated from University of Iowa, RJ & L Carver College of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Allen Simpson'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Dr. Thomas Allen Simpson
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 Allen Simpson's NPI number?
Dr. Thomas Allen Simpson's NPI number is 1285672428. It was assigned on June 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Allen Simpson?
Dr. Thomas Allen Simpson is an otolaryngology/facial plastic surgery physician in Iowa City, Iowa. The primary specialty in the NPI Registry is Otolaryngology/Facial Plastic Surgery Physician (taxonomy code 207YX0905X).
Where does Dr. Thomas Allen Simpson practice?
Dr. Simpson practices at 2963 Northgate Drive, Iowa City, IA 52245. Dr. Simpson's primary practice is Iowa City Ambulatory Surgical Center in Iowa City, Iowa. Dmand AI also links Dr. Simpson to 2 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. Thomas Allen Simpson's office phone number?
The practice phone on file for Dr. Simpson is (319) 248-1500.
What is Dr. Thomas Allen Simpson's medical license number?
Dr. Simpson holds Iowa license 28225.
Which hospitals is Dr. Thomas Allen Simpson affiliated with?
Dr. Simpson is affiliated with University of Iowa Health Care Medical Center. Dmand AI links Dr. Simpson to 2 more hospitals.
What medical group is Dr. Thomas Allen Simpson part of?
Dr. Simpson is linked to Progressive Rehabilitation Associates. Dmand AI links Dr. Simpson to 2 more medical groups.
Does Dr. Thomas Allen Simpson accept Medicare?
Yes. CMS data shows Dr. Simpson billed Medicare for 4,077 services in 2024, and Dr. Simpson accepts Medicare assignment.
What is Dr. Thomas Allen Simpson's MIPS score?
Dr. Simpson's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Thomas Allen Simpson see?
CMS counts 935 Medicare patients who saw Dr. Simpson in 2024, with an average age of 75.
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What services does Dr. Thomas Allen Simpson bill to Medicare?
In 2024, Dr. Simpson's most billed Medicare services were office visit, established patient (99214), surgery: ear (69210) and office visit, established patient (99213).
Where did Dr. Thomas Allen Simpson go to medical school?
Dr. Simpson graduated from University of Iowa, RJ & L Carver College of Medicine in 1990.
What drugs does Dr. Thomas Allen Simpson prescribe most?
In 2024 Medicare Part D data, Dr. Simpson's most prescribed drugs by claims were Famotidine, Pantoprazole Sodium and Ipratropium Bromide.
Has Dr. Thomas Allen Simpson received payments from drug or device companies?
CMS Open Payments shows $3,977 in general payments to Dr. Simpson from 35 companies from 2016 to 2025. The largest total came from Entellus Medical, Inc.
How long has Dr. Thomas Allen Simpson been practicing?
Dr. Simpson graduated from medical school in 1990, 36 years ago.
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