DR. THOMAS ALLEN SIMPSON (M.D.) – Otolaryngology/Facial Plastic Surgery Physician, NPI 1285672428

DR. THOMAS ALLEN SIMPSON (M.D.) is a healthcare provider. based in Iowa city, Iowa. specializing in OTOLARYNGOLOGY, PLASTIC AND RECONSTRUCTIVE SURGERY. They hold the professional credentials M.D.. They hold a License No. 28225 (IA). The NPI Number for DR. THOMAS ALLEN SIMPSON (M.D.) is 1285672428

Main info

Male
36 Years Of Experience
Accepts Medicare Assignment
Name
DR. THOMAS ALLEN SIMPSON (M.D.)
NPI
1285672428
Phone
(319) 351-5680
Address
2615 NORTHGATE DR
Enumeration Date
2 June 2006
Last Update Date
14 December 2016

Doctor Profile

Medical School Name
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Secondary Phone
3193382101
Graduation Year
1990 (36 years ago)
PAC ID
1557350980
Group Practice PAC ID
3971595513
Professional Enrollment ID
I20040515000367
Address ID
IA522459504IO2901XDRXX301
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

138 OTOLARYNGOLOGY in IA

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Provider Addresses for DR. THOMAS ALLEN SIMPSON (M.D.)

  • 2615, Northgate Drive, Iowa City, Johnson County, Iowa, 52245, United States

    IOWA CITY, IA 522459565

    Phone: (319) 351-5680

    Fax: (319) 351-8980

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 39 Open Payments records for all available years, with a total value of $740.

Total Amount is formed as General ($740) + Research ($0) + Ownership ($0) = $740.

Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($222).

Total Amount

$740

General + Research + Ownership

Payments

39

Total payment records

General Amount

$740

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-19

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-05-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040515000367IOtolaryngologyIATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes1,073671$0
69210Removal of impacted ear wax606422$0
95024Test for allergy using allergenic extract injected into skin56429$0
95115Professional service for single injection of allergen32139$0
95165Professional service for preparation and provision of 1 or more antigens30521$0
View full utilization report →

Insurance plans in this area (ZIP 52245)

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Provider's Procedures

DR. THOMAS ALLEN SIMPSON (M.D.) performs procedures in OTOLARYNGOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OTOLARYNGOLOGYIA92540Observation, testing, and recording of abnormal eye movement1515
OTOLARYNGOLOGYIA92567Eardrum testing using ear probe200161

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3971595513View full group profile
NameSpecialtyState
O T O L A R Y N G O L O G YIA
Sleep Medicine, OtolaryngologyIL
-IA
-IA

Reviews

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Frequently asked questions

What NPI should I save for DR. THOMAS ALLEN SIMPSON (M.D.)?
Save NPI 1285672428 if you need a stable reference for DR. THOMAS ALLEN SIMPSON (M.D.).
Is DR. THOMAS ALLEN SIMPSON (M.D.) currently active in the NPI registry?
CMS-published data lists DR. THOMAS ALLEN SIMPSON (M.D.) as an active registrant.
Can you summarize DR. THOMAS ALLEN SIMPSON (M.D.)'s specialty in plain language?
Clinically, the directory lists DR. THOMAS ALLEN SIMPSON (M.D.) with Otolaryngology/Facial Plastic Surgery Physician. Clinical services aligned with this taxonomy classification.
Where is DR. THOMAS ALLEN SIMPSON (M.D.)'s primary listing?
We display Iowa City, Iowa because that is what the record indicates for DR. THOMAS ALLEN SIMPSON (M.D.).
How can I contact DR. THOMAS ALLEN SIMPSON (M.D.)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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