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Dr. Nicole Catherina Hickey, MD
NPI1831417120PAC ID9638366339
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 956
- Publications
- 1
- Hospital affiliations
- 2
- Industry payments
- $323
- Practice address
- 1425 S Main Street, Walnut Creek, CA 94596
- Practice phone
- Call (925) 295-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hickey's 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. Nicole Catherina Hickey is an internist in Walnut Creek, California
Dr. Hickey practices at Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente.
Dr. Hickey's NPI, 1831417120, was assigned on May 11, 2010. Dr. Hickey graduated from Lewis Katz School of Medicine in 2007. Dr. Hickey holds California license A106712.
NPI and contact details
- NPI
- 1831417120NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638366339
- NPI enumeration date
- May 11, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 295-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicole Catherina Hickey practices at Walnut Creek Medical Center in Walnut Creek, California
Dr. Hickey's primary practice is Walnut Creek Medical Center, at 1425 S Main Street, Walnut Creek, CA 94596 in Contra Costa County. The practice phone is (925) 295-4000.
- Walnut Creek Medical Center1425 S Main Street, Walnut Creek, CA 94596 · Contra Costa CountyPhone(925) 295-4000
Source: Dmand AI Affiliation Data
Dr. Nicole Catherina Hickey is affiliated with 2 sites of care and 1 medical group
Dr. Hickey's primary practice is Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente. Dr. Hickey is also affiliated with Antioch Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nicole Catherina Hickey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hickey practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Walnut Creek Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Nicole Catherina Hickey is one of 16,751 internists in California
Internal medicine is Dr. Hickey's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hickey is board certified in critical care medicine by the American Board of Internal Medicine. Dr. Hickey is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic obstructive pulmonary disease (COPD) among the conditions Dr. Hickey treats.
Internists near Dr. Hickey
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
16,751internists in California148internists in Walnut Creek42internists at Walnut Creek Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nicole Catherina Hickey treated 14 Medicare patients in 2024, average age 69
CMS counts 14 Medicare patients who saw Dr. Hickey in 2024. 75% of them have high blood pressure. Their average risk score is 1.88, 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. Hickey's median patient age at 67, with 55% women.
Medicare patients, 202414
Average age69
Average risk score1.88
Chronic conditions among Dr. Hickey's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hickey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nicole Catherina Hickey wrote 956 Medicare Part D claims in 2024
In 2024, Dr. Hickey wrote 956 Medicare Part D claims for 230 patients. 49% of them were for generic drugs. CMS names the drug for 837 of them, across 18 drugs with 11 or more claims each, at $599,284 in total drug cost. In 2023, CMS named 618 claims across 17 drugs.
Part D claims, 2024956
Drugs named by CMS18
Total drug cost$599,284
Part D patients230
Dr. Hickey's Part D claims by kind of drug, 2024
- Generic471 claims49%
- Brand-name485 claims51%
Dr. Hickey'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.
Drug classes CMS tracks in Dr. Hickey's Part D claims, 2024
- Antibiotics11%109 of 956 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: 6182024: 83735%
Drugs named by CMS: 18 in 2024, 17 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. Nicole Catherina Hickey takes part in Medicare
Dr. Hickey 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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Dr. Nicole Catherina Hickey has 1 publication on record
Dmand AI links 1 paper to Dr. Hickey. Dr. Hickey's most frequent co-authors are Paul B. Aronowitz, MD and Edward P. Miranda, MD.
Papers1
Dr. Hickey's most frequent co-authors
Recent publications by Dr. Hickey
See who Dr. Hickey researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hickey works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nicole Catherina Hickey received $323 in industry payments from 2017 to 2022
CMS Open Payments shows 6 general payments to Dr. Hickey from 4 drug and device companies from 2017 to 2022. Travel and lodging make up the largest share, 56% of the total. Cook Medical LLC paid the most, $182.
General payments to Dr. Hickey by program year, 2017 to 2022
General payments to Dr. Hickey by kind, 2017 to 2022
$323in total
- Travel and lodging$18256%
- Food and beverage$12639%
- Education$155%
Companies that paid Dr. Hickey the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nicole Catherina Hickey graduated from Lewis Katz School of Medicine
Dr. Hickey graduated from Lewis Katz School of Medicine in 2007.
- Medical school
- Board certified in critical care medicine
- Board certified in internal medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Dr. Nicole Catherina Hickey accepts plans from 2 insurance carriers
Dr. Hickey is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Hickey accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Nicole Catherina Hickey'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Nicole Catherina Hickey
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. Nicole Catherina Hickey's NPI number?
Dr. Nicole Catherina Hickey's NPI number is 1831417120. It was assigned on May 11, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicole Catherina Hickey?
Dr. Nicole Catherina Hickey is an internist in Walnut Creek, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nicole Catherina Hickey practice?
Dr. Hickey practices at 1425 S Main Street, Walnut Creek, CA 94596. Dr. Hickey's primary practice is Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente.
What is Dr. Nicole Catherina Hickey's office phone number?
The practice phone on file for Dr. Hickey is (925) 295-4000.
What is Dr. Nicole Catherina Hickey's medical license number?
Dr. Hickey holds California license A106712.
Which hospitals is Dr. Nicole Catherina Hickey affiliated with?
Dr. Hickey practices at Walnut Creek Medical Center in Walnut Creek, California. Dr. Hickey is also affiliated with Antioch Medical Center.
What medical group is Dr. Nicole Catherina Hickey part of?
Dr. Hickey is linked to The Permanente Medical Group, Inc.
Does Dr. Nicole Catherina Hickey accept Medicare?
Yes. CMS lists Dr. Hickey as accepting Medicare assignment.
How many Medicare patients does Dr. Nicole Catherina Hickey see?
CMS counts 14 Medicare patients who saw Dr. Hickey in 2024, with an average age of 69.
Is Dr. Nicole Catherina Hickey board certified?
Yes. Dr. Hickey is board certified in critical care medicine by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
Where did Dr. Nicole Catherina Hickey go to medical school?
Dr. Hickey graduated from Lewis Katz School of Medicine in 2007.
What drugs does Dr. Nicole Catherina Hickey prescribe most?
In 2024 Medicare Part D data, Dr. Hickey's most prescribed drugs by claims were Spiriva Respimat, Prednisone and Wixela Inhub.
Has Dr. Nicole Catherina Hickey received payments from drug or device companies?
CMS Open Payments shows $323 in general payments to Dr. Hickey from 4 companies from 2017 to 2022. The largest total came from Cook Medical LLC.
How long has Dr. Nicole Catherina Hickey been practicing?
Dr. Hickey graduated from medical school in 2007, 19 years ago.
Does Dr. Nicole Catherina Hickey do research?
Dmand AI links 1 publication to Dr. Hickey.
Who does Dr. Nicole Catherina Hickey publish with?
Dr. Hickey's most frequent co-authors are Paul B. Aronowitz, MD (1 shared paper) and Edward P. Miranda, MD (1 shared paper).
What insurance does Dr. Nicole Catherina Hickey accept?
Dr. Hickey is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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