DR. RYAN JOHN DIEL MD
NPI 1972000164
Ophthalmology in Iowa City, IA

Q: What is Ryan Diel's NPI number?

The NPI number for Ryan Diel is 1972000164. It was assigned to this individual provider in the NPPES registry on April 12, 2018.

Q: What is Ryan Diel's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Ryan Diel was last updated on February 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 12, 2018PECOS EnrolledAccepts Medicare Assignment

81.41/100

CMS Quality Rating

200 HAWKINS DR, IOWA CITY, IA 52242(319) 356-3705(319) 353-6030 Get Directions Write a Review

NPPES record last updated: February 21, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 21, 2022, May 6, 2022, Jul 21, 2019 and 3 more (6 updates tracked since 2018).

On this page

About Dr. Ryan John Diel Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RYAN JOHN DIEL MD (NPI 1972000164) is an individual ophthalmology provider in Iowa City, Iowa, licensed in Iowa (MD-52218) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with University Of Iowa Hospital & Clinics, and is a graduate of University Of Miami, Lm Miller School Of Medicine (2018).

NPPES Registry Identity

NPI1972000164

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. RYAN JOHN DIELCredential: MD

Location Address200 HAWKINS DRIowa City, IA 52242-1009

Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 356-3705 · Fax (319) 353-6030

Phone(319) 356-3705

Fax(319) 353-6030

Sole ProprietorNo

Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 2018

Enumeration DateApril 12, 2018

Last NPPES UpdateFebruary 21, 20246 updates tracked since enumeration

NPPES CertifiedFebruary 21, 2024

✔ NPI 1972000164 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

Licenses✔ Licensed in IA · MD-52218✔ Licensed in NV · 21795

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

200 HAWKINS DR, Iowa City, IA 52242

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ryan John Diel Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638428170

PECOS Enrollment IDI20240113000350

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

127 services79 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

127 services124 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

125 services108 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

105 services98 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

89 services84 patients

Measurement of corneal curvature and depth of eye 92136

82 services69 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

78 services78 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

53 services53 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

41 services40 patients

Established patient complete exam of visual system 92014

40 services40 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

38 services29 patients

Imaging of retina 92134

33 services32 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

33 services30 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

28 services28 patients

New patient complete exam of visual system 92004

25 services25 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

24 services23 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

18 services17 patients

Removal of recurring cataract in lens capsule using a laser 66821

17 services15 patients

2d ultrasound scan of eye tissue and structures 76512

A 2D ultrasound scan of eye tissue and structures is a non-invasive procedure that uses sound waves to create images of your eye. It helps doctors to examine your eye's internal structures, detect abnormalities, and plan for treatments if needed.

13 services13 patients

Ultrasound scan of cornea to determine thickness 76514

An ultrasound scan of the cornea is a non-invasive procedure that uses sound waves to measure the thickness of your cornea. This helps in diagnosing certain eye conditions and planning treatments. No discomfort or pain is typically experienced.

12 services12 patients

Imaging of optic nerve 92133

11 services11 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

11 services11 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Iowa Hospital & Clinics

Acute Care Hospitals · Iowa City, IA

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number160058

Location200 Hawkins DriveIowa City, IA 52242 · Johnson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52242 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.23 typical visit price

range $52.96 – $161.40

Typical copayment $30.55 (range $13.24 – $40.35)

Most-billed visit code 99204

Established Patient

$66.36 typical visit price

range $16.91 – $131.98

Typical copayment $16.59 (range $4.22 – $32.99)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.41/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

81.01

Improvement Activities

Cost

63.36

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SANGIL LEE M.D.

Emergency Medicine

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-2233

RAMI G. EL ABIAD M.D.

Internal Medicine (Gastroenterology)

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-4901

GRERK SUTAMTEWAGUL MD

Internal Medicine (Hematology & Oncology)

200 HAWKINS DR, DEPT OF INTERNAL MEDICINE
IOWA CITY, IA 52242

Johnson County (319) 356-1616

DR. KALEB TANNER VEIT D.O.

Internal Medicine (Critical Care Medicine)

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-2320

OMAR JABER M.D

Chronic Disease Hospital

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 471-8958

JENNIFER MANCUSO MS, CGC

Genetic Counselor, MS

200 HAWKINS DR, 31663 PFP
IOWA CITY, IA 52242

Johnson County (319) 384-7983

ASHLEY KAISER M.D.

Obstetrics & Gynecology

200 HAWKINS DR, DEPT OF OBGYN
IOWA CITY, IA 52242

Johnson County (319) 356-2294

MRS. NANCY JANE MILLICE

Health Educator

200 HAWKINS DR, 0733 JPP
IOWA CITY, IA 52242

Johnson County (319) 356-3825

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ryan Diel's NPI number?

The NPI number for Ryan Diel is 1972000164. It was assigned to this individual provider in the NPPES registry on April 12, 2018.

Where is Ryan Diel located?

Ryan Diel practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 356-3705.

What is Ryan Diel's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Ryan Diel enrolled in Medicare?

Yes. Ryan Diel is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ryan Diel accept?

Health plans from Medica and Sanford Health Plan list Ryan Diel as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ryan Diel affiliated with any hospitals?

According to CMS data, Ryan Diel is affiliated with University Of Iowa Hospital & Clinics.

When was this NPI record last updated?

The NPPES record for Ryan Diel was last updated on February 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.