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Edit this profileAt a glance
- 200 Hawkins Dr, Iowa City, IA 52242
About Dr. Dillon
Based in Iowa City, IA, Joseph S. Dillon, MD is listed in the NPI registry under endocrinology, diabetes & metabolism. Joseph is also listed as specializing in internal medicine. According to Medicare claims data, Joseph cared for 339 Medicare patients across 673 services. The services billed most often include prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes. NPI 1710960026 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (319) 353-7812
- Email not available
Practice Locations
200 HAWKINS DR
Iowa City, IA 52242
Conditions Commonly Evaluated or Treated
Within Endocrinology, Diabetes and Metabolism generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Adrenal disorders
Blood sugar disorders
Bone and calcium disorders
Bones
Pituitary
Pituitary disorders
Thyroid
Thyroid disorders
Most searched conditions
Adrenal
Diabetes
Endocrine tumors
Hormone disorders
- Early or delayed puberty
- Excess facial or body hair
- Gynecomastia
- Perimenopause
- Testosterone deficiency
Hormones
Metabolic disorders
Metabolism
Parathyroid
Procedures & services
Adrenal
Adrenal evaluations
Blood sugar management
Bone evaluations
Bone treatments
Diabetes
- Automated Insulin System Setup
- Blood Ketone Monitoring
- C-Peptide Test
- Continuous Glucose Monitor Data Review
- Starting Insulin Therapy
- Medical nutrition therapy
Diabetes education
Genetic evaluations
Hormone treatments
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
- Estrogen and Progesterone Therapy
Hormones
Metabolic evaluations
Metabolism
Parathyroid
Pituitary
Pituitary evaluations
Routine Blood Tests
Thyroid
Thyroid procedures
- Thyroid Antibody Testing
- Thyroid Medication Adjustment
- Radioactive Iodine Treatment
- Thyroid Blood Test
- Thyroid Nodule Biopsy
- Thyroid Nodule Radiofrequency Ablation
Weight & Metabolism
Women's health
Most searched procedures
Diabetes preventive care
- Diabetic Foot Care
Procedures Most Often Billed to Medicare
673 services · 339 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
349 | More than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
109 | More often than most peers in Endocrinology, Diabetes &… |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
87 | More often than most peers in Endocrinology, Diabetes &… |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
85 | As often as other peers in Endocrinology, Diabetes &… |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
43 | More often than most peers in Endocrinology, Diabetes &… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other endocrinologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other endocrinologists in Iowa City 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2024 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Dillon?
Dr. Dillon is an endocrinologist in Iowa City, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
What is Dr. Dillon's address?
Dr. Dillon is listed at 200 Hawkins Dr, Iowa City, IA 52242. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Dillon?
The number on file is (319) 353-7812. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Dillon's NPI number?
Dr. Dillon's National Provider Identifier is 1710960026. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Dillon train?
Dr. Dillon attended Other, graduating in 2024. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Dillon been practicing?
Dr. Dillon has 2 years experience. Calculated from a graduation year of 2024, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Dillon perform?
According to Medicare billing data, Dr. Dillon the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Dillon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dillon. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.