Dr. Jeffrey Stuart Illeck, MD

  • Newport Beach, CA
  • OB-GYN
NPI1013920958PAC ID8729263397
Medicare services, 2024
124
Medicare patients, 2024
73
Part D claims, 2024
181
Clinical trials
1
Hospital affiliations
2
Practice address
One Hoag Drive, Newport Beach, CA 92663
Practice phone
Call (949) 764-4624
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hoag Hospital Newport Beach

Hospital · Newport Beach, California

See all 4 affiliations

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Dr. Jeffrey Stuart Illeck is an OB-GYN in Newport Beach, California

Dr. Illeck practices at Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian.

Dr. Illeck's NPI, 1013920958, was assigned on August 14, 2006. Dr. Illeck graduated from Rutgers New Jersey Medical School in 1988. Dr. Illeck's California license number on file is G067729.

NPI and contact details
Medicare PAC ID
8729263397
NPI enumeration date
August 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(949) 764-4624
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jeffrey Stuart Illeck practices at 2 locations in Newport Beach, California

Dr. Illeck's primary practice is Hoag Hospital Newport Beach, at One Hoag Drive, Newport Beach, CA 92663 in Orange County. The practice phone is (949) 764-4624. Dr. Illeck also practices at Hoag Hospital Newport Beach, 1 Hoag Dr, Newport Beach, CA 92663.

  • Hoag Hospital Newport BeachPrimary
    One Hoag Drive, Newport Beach, CA 92663 · Orange CountyPhone(949) 764-4624
  • Hoag Hospital Newport Beach
    1 Hoag Dr, Newport Beach, CA 92663 · Orange CountyPhone(949) 764-4624

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Jeffrey Stuart Illeck is affiliated with 2 sites of care and 2 medical groups

Dr. Illeck's primary practice is Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian. Dr. Illeck is also affiliated with Orange Coast Medical Center. The medical group on file is Hoag Clinic. Dmand AI also links Dr. Illeck to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Illeck

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jeffrey Stuart Illeck's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Illeck practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hoag Hospital Newport BeachAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Jeffrey Stuart Illeck is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Dr. Illeck's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Illeck is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Illeck has a license on file in California.

Specialties and state licenses

  • Obstetrics and gynecology, CaliforniaPrimaryLicense G067729 · 1989 to 2025 · taxonomy 207V00000X

Clinical focus

Dmand AI lists menopause, pelvic prolapse and vaginal infection among the conditions Dr. Illeck treats.

OB-GYNs near Dr. Illeck

Counts of OB-GYNs 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. Jeffrey Stuart Illeck billed Medicare for 124 services in 2024

CMS data shows 124 Medicare services from Dr. Illeck across 5 procedure codes in 2024, for 73 Medicare patients. Medicare paid $8,667 for them. Every service was in an office.

Medicare services, 2024124
Medicare patients73
Paid by Medicare$8,667
Procedure codes5

Dr. Illeck's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1082024: 8026%
Other services
2023: 492024: 4410%
Imaging
2023: 282024: 0100%

Dr. Illeck compared with the California median for OB-GYNs, 2024

  • Dr. Illeck
  • California median
Medicare services
124vs 582.1 times
Medicare patients
73vs 5240% above
Part D claims
84vs 352.4 times

Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.

Dr. Illeck'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.

See all procedures by Dr. Illeck

Need commercial claims for Dr. Illeck?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Illeck and other OB-GYNs in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Jeffrey Stuart Illeck treated 73 Medicare patients in 2024, average age 73

CMS counts 73 Medicare patients who saw Dr. Illeck in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high cholesterol, and 63% have arthritis. Their average risk score is 0.85, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Illeck's median patient age at 39, with 98% women.

Medicare patients, 202473
Average age73
Average risk score0.85

Dr. Illeck's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Illeck's Medicare patients, 2024

  1. High cholesterol75%
  2. Arthritis63%
  3. High blood pressure49%
  4. Osteoporosis27%
  5. Anxiety25%
  6. Mood disorders19%
  7. Diabetes16%
  8. Depression15%

Share of Medicare patients with each condition. A patient can have several.

Dr. Illeck's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 39

Patient panel by sex, all payers

  • Women98%
  • Men1%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jeffrey Stuart Illeck wrote 181 Medicare Part D claims in 2024

In 2024, Dr. Illeck wrote 181 Medicare Part D claims for 58 patients. 81% of them were for generic drugs. CMS names the drug for 84 of them, across 3 drugs with 11 or more claims each, at $8,866 in total drug cost. In 2023, CMS named 77 claims across 3 drugs.

Part D claims, 2024181
Drugs named by CMS3
Total drug cost$8,866
Part D patients58

Dr. Illeck's Part D claims by kind of drug, 2024

  • Generic146 claims81%
  • Brand-name35 claims19%

Dr. Illeck'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 772024: 849%

Drugs named by CMS: 3 in 2024, 3 in 2023.

See all prescribing by Dr. Illeck

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

How Dr. Jeffrey Stuart Illeck takes part in Medicare

Dr. Illeck accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Dr. Jeffrey Stuart Illeck has worked on 1 clinical trial

Dmand AI links Dr. Illeck to 1 clinical trial. Conditions studied include Squamous Intraepithelial Lesions and Morphological and Microscopic Findings.

Conditions in Dr. Illeck's trials

  • Squamous Intraepithelial Lesions
  • Morphological and Microscopic Findings

Investigators on the most trials with Dr. Illeck

Recent clinical trials with Dr. Illeck

Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage

Dr. Jeffrey Stuart Illeck received $1,861 in industry payments from 2016 to 2025

CMS Open Payments shows 99 general payments to Dr. Illeck from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $615.

General payments to Dr. Illeck by program year, 2016 to 2025

General payments to Dr. Illeck by kind, 2016 to 2025

$1.9Kin total
  • Food and beverage$1,83198%
  • Education$302%

Companies that paid Dr. Illeck the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Illeck

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Jeffrey Stuart Illeck graduated from Rutgers New Jersey Medical School

Dr. Illeck graduated from Rutgers New Jersey Medical School in 1988.

  1. Medical schoolRutgers New Jersey Medical School
  2. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Jeffrey Stuart Illeck accepts plans from 8 insurance carriers

Dr. Illeck is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • EMI Health

Plan types Dr. Illeck accepts, by number of carriers

  1. Medicare7
  2. PPO7
  3. HMO3
  4. POS3
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jeffrey Stuart Illeck's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Clinical trials and co-investigatorsClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Jeffrey Stuart Illeck

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. Jeffrey Stuart Illeck's NPI number?

Dr. Jeffrey Stuart Illeck's NPI number is 1013920958. It was assigned on August 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Jeffrey Stuart Illeck?

Dr. Jeffrey Stuart Illeck is an OB-GYN in Newport Beach, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Jeffrey Stuart Illeck practice?

Dr. Illeck practices at One Hoag Drive, Newport Beach, CA 92663. Dr. Illeck also practices at 1 Hoag Dr, Newport Beach, CA 92663. Dr. Illeck's primary practice is Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian. Dmand AI also links Dr. Illeck to 1 medical group.

What is Dr. Jeffrey Stuart Illeck's office phone number?

The practice phone on file for Dr. Illeck is (949) 764-4624.

What is Dr. Jeffrey Stuart Illeck's medical license number?

Dr. Illeck's California license number on file is G067729.

Which hospitals is Dr. Jeffrey Stuart Illeck affiliated with?

Dr. Illeck practices at Hoag Hospital Newport Beach in Newport Beach, California. Dr. Illeck is also affiliated with Orange Coast Medical Center.

What medical group is Dr. Jeffrey Stuart Illeck part of?

Dr. Illeck is linked to Hoag Clinic. Dmand AI links Dr. Illeck to 1 more medical group.

Does Dr. Jeffrey Stuart Illeck accept Medicare?

Yes. CMS data shows Dr. Illeck billed Medicare for 124 services in 2024, and Dr. Illeck accepts Medicare assignment.

How many Medicare patients does Dr. Jeffrey Stuart Illeck see?

CMS counts 73 Medicare patients who saw Dr. Illeck in 2024, with an average age of 73.

Is Dr. Jeffrey Stuart Illeck board certified?

Yes. Dr. Illeck is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.

Show 7 more questionsShow fewer questions

What services does Dr. Jeffrey Stuart Illeck bill to Medicare?

In 2024, Dr. Illeck's most billed Medicare services were office visit, established patient (99213), medicare service (G0101) and office visit, new patient (99203).

Where did Dr. Jeffrey Stuart Illeck go to medical school?

Dr. Illeck graduated from Rutgers New Jersey Medical School in 1988.

What drugs does Dr. Jeffrey Stuart Illeck prescribe most?

In 2024 Medicare Part D data, Dr. Illeck's most prescribed drugs by claims were Estradiol, Progesterone and Premarin.

Has Dr. Jeffrey Stuart Illeck received payments from drug or device companies?

CMS Open Payments shows $1,861 in general payments to Dr. Illeck from 28 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Jeffrey Stuart Illeck been practicing?

Dr. Illeck graduated from medical school in 1988, 38 years ago.

Does Dr. Jeffrey Stuart Illeck do research?

Dr. Illeck has worked on 1 clinical trial.

What insurance does Dr. Jeffrey Stuart Illeck accept?

Dr. Illeck is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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