Dr. Janet Elizabeth Nichols, MD
- Medicare services, 2024
- 30
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 732
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 360 Rush Dr, San Marcos, CA 92078
- Practice phone
- Call (760) 528-6295
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Nichols' professional email, personal email and mobile number
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Dr. Janet Elizabeth Nichols is an internist in San Marcos, California
Dr. Nichols practices at Kaiser Permanente San Marcos Medical Center in San Marcos, California, part of Kaiser Permanente.
Dr. Nichols' NPI, 1154775385, was assigned on April 13, 2016. Dr. Nichols holds California license 162359.
- NPI
- 1154775385NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092008284
- NPI enumeration date
- April 13, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (760) 528-6295
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Janet Elizabeth Nichols practices at Kaiser Permanente San Marcos Medical Center in San Marcos, California
Dr. Nichols' primary practice is Kaiser Permanente San Marcos Medical Center, at 360 Rush Dr, San Marcos, CA 92078 in San Diego County. The practice phone is (760) 528-6295.
- Kaiser Permanente San Marcos Medical Center360 Rush Dr, San Marcos, CA 92078 · San Diego CountyPhone(760) 528-6295
Source: Dmand AI Affiliation Data
Dr. Janet Elizabeth Nichols is affiliated with 1 site of care and 2 medical groups
Dr. Nichols' primary practice is Kaiser Permanente San Marcos Medical Center in San Marcos, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Nichols to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Janet Elizabeth Nichols' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nichols practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente San Marcos Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Janet Elizabeth Nichols is one of 16,751 internists in California
Internal medicine is Dr. Nichols' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Nichols' licenses on file in 2 states: California and New Mexico.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New Mexico license
Internists near Dr. Nichols
Counts of internists 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. Janet Elizabeth Nichols billed Medicare for 30 services in 2024
CMS data shows 30 Medicare services from Dr. Nichols across 1 procedure code in 2024, for 17 Medicare patients. Medicare paid $1,919 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nichols' Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 1102024: 3073%
Dr. Nichols compared with the California median for internists, 2024
- Dr. Nichols
- California median
- Medicare services
- 30vs 36192% below
- Medicare patients
- 17vs 15189% below
- Part D claims
- 351vs 42117% below
Medians across 15,815 internists 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 internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Janet Elizabeth Nichols treated 17 Medicare patients in 2024, average age 68
CMS counts 17 Medicare patients who saw Dr. Nichols in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.00, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nichols' median patient age at 73, with 48% women.
Chronic conditions among Dr. Nichols' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
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 73
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Janet Elizabeth Nichols wrote 732 Medicare Part D claims in 2024
In 2024, Dr. Nichols wrote 732 Medicare Part D claims for 231 patients. 83% of them were for generic drugs. CMS names the drug for 351 of them, across 15 drugs with 11 or more claims each, at $5,709 in total drug cost. In 2023, CMS named 173 claims across 12 drugs.
Dr. Nichols' Part D claims by kind of drug, 2024
- Generic610 claims83%
- Brand-name and other122 claims17%
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
- Opioids2%17 of 732 claims
- Antibiotics17%122 of 732 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: 1732024: 351103%
Drugs named by CMS: 15 in 2024, 12 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
How Dr. Janet Elizabeth Nichols takes part in Medicare
Dr. Nichols 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)
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Sources for Dr. Janet Elizabeth 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) |
| 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. Janet Elizabeth 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. Janet Elizabeth Nichols' NPI number?
Dr. Janet Elizabeth Nichols' NPI number is 1154775385. It was assigned on April 13, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Janet Elizabeth Nichols?
Dr. Janet Elizabeth Nichols is an internist in San Marcos, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Janet Elizabeth Nichols practice?
Dr. Nichols practices at 360 Rush Dr, San Marcos, CA 92078. Dr. Nichols' primary practice is Kaiser Permanente San Marcos Medical Center in San Marcos, California, part of Kaiser Permanente. Dmand AI also links Dr. Nichols to 1 medical group.
What is Dr. Janet Elizabeth Nichols' office phone number?
The practice phone on file for Dr. Nichols is (760) 528-6295.
What is Dr. Janet Elizabeth Nichols' medical license number?
Dr. Nichols holds California license 162359, one of the licenses on file in 2 states.
Which states has Dr. Janet Elizabeth Nichols been licensed in?
Dmand AI has state licenses on file for Dr. Nichols in California and New Mexico.
Which hospitals is Dr. Janet Elizabeth Nichols affiliated with?
Dr. Nichols practices at Kaiser Permanente San Marcos Medical Center in San Marcos, California.
What medical group is Dr. Janet Elizabeth Nichols part of?
Dr. Nichols is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Nichols to 1 more medical group.
Does Dr. Janet Elizabeth Nichols accept Medicare?
Yes. CMS data shows Dr. Nichols billed Medicare for 30 services in 2024, and Dr. Nichols accepts Medicare assignment.
How many Medicare patients does Dr. Janet Elizabeth Nichols see?
CMS counts 17 Medicare patients who saw Dr. Nichols in 2024, with an average age of 68.
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What services does Dr. Janet Elizabeth Nichols bill to Medicare?
In 2024, Dr. Nichols' most billed Medicare services were hospital inpatient care (99232).
What drugs does Dr. Janet Elizabeth Nichols prescribe most?
In 2024 Medicare Part D data, Dr. Nichols' most prescribed drugs by claims were Furosemide, Amoxicillin-Clavulanate Potass and Losartan Potassium.
How long has Dr. Janet Elizabeth Nichols been practicing?
Dr. Nichols graduated from medical school in 2016, 10 years ago.
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