Dr. Ivan Nichols, MD
- Medicare services, 2024
- 245
- Medicare patients, 2024
- 117
- Part D claims, 2024
- 6,049
- Hospital affiliations
- 1
- Industry payments
- $942
- Practice address
- 2501 E. Chapman Ave. Ste. 102, Orange, CA 92869
- Practice phone
- Call (714) 628-3305
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Joseph Heritage Orange - Chapman Mammogram Screening
Mammography / Breast Imaging Center · Orange, California
Find Dr. Nichols' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ivan Nichols is a family medicine physician in Orange, California
Dr. Nichols practices at St. Joseph Heritage Orange - Chapman Mammogram Screening in Orange, California.
Dr. Nichols' NPI, 1609965417, was assigned on October 11, 2006. Dr. Nichols graduated from University of Utah School of Medicine in 1972. Dr. Nichols holds California license G24810.
- NPI
- 1609965417NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042346330
- NPI enumeration date
- October 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (714) 628-3305
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ivan Nichols practices at St. Joseph Heritage Orange - Chapman Mammogram Screening in Orange, California
Dr. Nichols' primary practice is St. Joseph Heritage Orange - Chapman Mammogram Screening, at 2501 E. Chapman Ave. Ste. 102, Orange, CA 92869. The practice phone is (714) 628-3305.
- St. Joseph Heritage Orange - Chapman Mammogram Screening2501 E. Chapman Ave. Ste. 102, Orange, CA 92869Phone(714) 628-3305
Source: Dmand AI Affiliation Data
Dr. Ivan Nichols is affiliated with 4 sites of care and 1 medical group
Dr. Nichols' primary practice is St. Joseph Heritage Orange - Chapman Mammogram Screening in Orange, California. Dr. Nichols is also affiliated with Providence St. Joseph Hospital Orange. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Nichols to 1 more group practice or clinic and 1 home health agency, each named with a free account. Dr. Nichols' employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ivan Nichols' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nichols practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Joseph Heritage Orange - Chapman Mammogram Screening | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ivan Nichols is one of 15,680 family medicine physicians in California
Family medicine is Dr. Nichols' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Nichols is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Nichols
Counts of family medicine 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. Ivan Nichols billed Medicare for 245 services in 2024
CMS data shows 245 Medicare services from Dr. Nichols across 3 procedure codes in 2024, for 117 Medicare patients. Medicare paid $18,239 for them. Every service was in an office.
Dr. Nichols' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3382024: 22733%
- Other services
- 2023: 342024: 1847%
- Imaging
- 2023: 322024: 0100%
- Lab and pathology
- 2023: 142024: 0100%
- Tests and treatments
- 2023: 212024: 0100%
Dr. Nichols compared with the California median for family medicine physicians, 2024
- Dr. Nichols
- California median
- Medicare services
- 245vs 246Close to median
- Medicare patients
- 117vs 118Close to median
- Part D claims
- 5,328vs 8336.4 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Nichols' 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. Nichols and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ivan Nichols treated 117 Medicare patients in 2024, average age 72
CMS counts 117 Medicare patients who saw Dr. Nichols in 2024. The largest group is 65 to 74, with 58 patients. 74% of them have high blood pressure, and 70% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nichols' median patient age at 65, with 55% women.
Dr. Nichols' Medicare patients by age, 2024
Dr. Nichols' Medicare patients by sex, 2024
- Women5950%
- Men5850%
Chronic conditions among Dr. Nichols' Medicare patients, 2024
- High blood pressure74%
- High cholesterol70%
- Arthritis48%
- Ischemic heart disease26%
- Diabetes25%
- Anxiety19%
- Cancer16%
- Depression16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nichols' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ivan Nichols wrote 6,049 Medicare Part D claims in 2024
In 2024, Dr. Nichols wrote 6,049 Medicare Part D claims for 471 patients. 90% of them were for generic drugs. CMS names the drug for 5,328 of them, across 124 drugs with 11 or more claims each, at $377,918 in total drug cost. In 2023, CMS named 5,257 claims across 120 drugs.
Dr. Nichols' Part D claims by kind of drug, 2024
- Generic5,463 claims90%
- Brand-name550 claims9%
- Other36 claims1%
Dr. Nichols' 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. Nichols' Part D claims, 2024
- Opioids4%260 of 6,049 claims
- Antibiotics2%115 of 6,049 claims
- Antipsychotics, patients 65 and over1%44 of 6,049 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: 5,2572024: 5,3281%
Drugs named by CMS: 124 in 2024, 120 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. Ivan Nichols offers telehealth to Medicare patients
Dr. Nichols accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nichols as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ivan Nichols received $942 in industry payments from 2016 to 2025
CMS Open Payments shows 55 general payments to Dr. Nichols from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Bristol-Myers Squibb Company paid the most, $185. It also lists 1 research payment totaling $50 in 2017.
General payments to Dr. Nichols by program year, 2016 to 2025
General payments to Dr. Nichols by kind, 2016 to 2025
- Food and beverage$93099%
- Consulting fees$121%
Companies that paid Dr. Nichols 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. Ivan Nichols graduated from University of Utah School of Medicine
Dr. Nichols graduated from University of Utah School of Medicine in 1972.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ivan Nichols'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)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. Ivan Nichols
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. Ivan Nichols' NPI number?
Dr. Ivan Nichols' NPI number is 1609965417. It was assigned on October 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ivan Nichols?
Dr. Ivan Nichols is a family medicine physician in Orange, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Ivan Nichols practice?
Dr. Nichols practices at 2501 E. Chapman Ave. Ste. 102, Orange, CA 92869. Dr. Nichols' primary practice is St. Joseph Heritage Orange - Chapman Mammogram Screening in Orange, California. Dmand AI also links Dr. Nichols to 1 group practice or clinic and 1 home health agency.
What is Dr. Ivan Nichols' office phone number?
The practice phone on file for Dr. Nichols is (714) 628-3305.
What is Dr. Ivan Nichols' medical license number?
Dr. Nichols holds California license G24810.
Which hospitals is Dr. Ivan Nichols affiliated with?
Dr. Nichols is affiliated with Providence St. Joseph Hospital Orange.
What medical group is Dr. Ivan Nichols part of?
Dr. Nichols is linked to St. Jude Heritage Medical Group.
Does Dr. Ivan Nichols accept Medicare?
Yes. CMS data shows Dr. Nichols billed Medicare for 245 services in 2024, and Dr. Nichols accepts Medicare assignment.
Does Dr. Ivan Nichols offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nichols as offering telehealth services.
How many Medicare patients does Dr. Ivan Nichols see?
CMS counts 117 Medicare patients who saw Dr. Nichols in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Ivan Nichols bill to Medicare?
In 2024, Dr. Nichols' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0008).
Where did Dr. Ivan Nichols go to medical school?
Dr. Nichols graduated from University of Utah School of Medicine in 1972.
What drugs does Dr. Ivan Nichols prescribe most?
In 2024 Medicare Part D data, Dr. Nichols' most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
Has Dr. Ivan Nichols received payments from drug or device companies?
CMS Open Payments shows $942 in general payments to Dr. Nichols from 16 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Ivan Nichols been practicing?
Dr. Nichols graduated from medical school in 1972, 54 years ago.
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