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DR. NICOLE CATHERINA HICKEY M.D.
NPI 1831417120
Internal Medicine in Walnut Creek, CA

Active since May 11, 2010PECOS EnrolledAccepts Medicare Assignment
1425 S MAIN ST, WALNUT CREEK, CA 94596(925) 295-4000 Get Directions Write a Review

NPPES record last updated: May 26, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Nicole Catherina Hickey M.d. NPPES

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

DR. NICOLE CATHERINA HICKEY M.D. (NPI 1831417120) is an individual internal medicine provider in Walnut Creek, California, licensed in California (A106712) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (2007).

NPPES Registry Identity

NPI1831417120
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. NICOLE CATHERINA HICKEYCredential: M.D.
Location Address1425 S MAIN STWalnut Creek, CA 94596-5318
Mailing AddressPo Box 749Orinda, CA 94563-0865 · (714) 814-4045
Phone(925) 295-4000
Sole ProprietorYes
Medical School CMSTemple University School Of MedicineGraduated 2007
Enumeration DateMay 11, 2010
Last NPPES UpdateMay 26, 2023
NPPES CertifiedMay 26, 2023
✔ NPI 1831417120 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A106712
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1425 S MAIN ST, Walnut Creek, CA 94596
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nicole Catherina Hickey M.d. 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 ID9638366339
PECOS Enrollment IDI20101207000943
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.

Medicare Billing Reassignment

Medicare enrollment records show Nicole Hickey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
17 mi
Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1235226531 (510) 307-1555

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94596 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers61 claims64 services$13.96 avg. paid by Medicare
High frequency chest wall oscillation system, with full anterior and/or posterior thoracic region receiving simultaneous external oscillation, includes all accessories and supplies, each E0483
DME-Other DME · category DE000N
1 supplier14 claims14 services$834.87 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
3 suppliers42 claims47 services$2.86 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers179 claims181 services$65.89 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
5 suppliers95 claims95 services$32.42 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
6 suppliers27 claims6,477 services$0.03 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

BROOK ANDREW WOOLLEY M.D.
Emergency Medicine
1425 S MAIN ST, EMERGENCY MEDICINE DEPARTMENT
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-5100
DR. THOMAS CRESANTE D.O.
Hospitalist
1425 S MAIN ST, KAISER PERMANENTE WALNUT CREEK ATTN: HBS DEPT
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4643
SARA WON MD
Obstetrics & Gynecology
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4040
KAISER PERMANENTE
General Acute Care Hospital
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4000
MICHELLE CABLE VU CRNA
Nurse Anesthetist, Certified Registered
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4000
DR. JESUS GIL JIMENEZ MD
Surgery (Vascular Surgery)
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4110
MR. EDWARD HAL PIECZENIK L.C.S.W.
Social Worker (Clinical)
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-5237
CARLOS A. CROMEYER MD
Psychiatry & Neurology (Neurology)
1425 S MAIN ST
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4000

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 Nicole Hickey's NPI number?

The NPI number for Nicole Hickey is 1831417120. It was assigned to this individual provider in the NPPES registry on May 11, 2010.

Where is Nicole Hickey located?

Nicole Hickey practices at 1425 S Main St, Walnut Creek, CA 94596. The listed phone number is (925) 295-4000.

What is Nicole Hickey's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nicole Hickey enrolled in Medicare?

Yes. Nicole Hickey 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.

Which organization bills Medicare for Nicole Hickey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicole Hickey reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nicole Hickey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nicole Hickey was last updated on May 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.