CAROLYN A. GEANACOU MD
NPI 1225186000
Family Medicine in Davis, CA

Q: What is Carolyn Geanacou's NPI number?

The NPI number for Carolyn Geanacou is 1225186000. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Q: What is Carolyn Geanacou's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Carolyn Geanacou was last updated on July 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since January 08, 2007PECOS EnrolledAccepts Medicare Assignment

2020 SUTTER PL, SUITE 101, DAVIS, CA 95616(530) 750-5830(530) 750-5891 Get Directions Write a Review

NPPES record last updated: July 15, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Carolyn A. Geanacou Md NPPES

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

CAROLYN A. GEANACOU MD (NPI 1225186000) is an individual family medicine provider in Davis, California, licensed in California (A73440) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (1999).

NPPES Registry Identity

NPI1225186000

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameCAROLYN A. GEANACOUCredential: MD

Location Address2020 SUTTER PL, SUITE 101Davis, CA 95616-6213

Mailing AddressPo Box 255228Sacramento, CA 95865-5228 · (800) 470-0071

Phone(530) 750-5830

Fax(530) 750-5891

Sole ProprietorNo

Medical School CMSTufts University School Of MedicineGraduated 1999

Enumeration DateJanuary 8, 2007

Last NPPES UpdateJuly 15, 2016

✔ NPI 1225186000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A73440

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

2020 SUTTER PL, Davis, CA 95616

Open in Google Maps ↗

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

Carolyn A. Geanacou Md 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 ID8022206895

PECOS Enrollment IDI20101221000088

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 Reassignments

Medicare enrollment records show Carolyn Geanacou reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sutter Valley Medical Foundation

14 mi

Multi-Specialty

2700 GATEWAY OAKS DR
Sacramento, CA 95833

Reassigned Medicare billing, California enrollment
3,056 clinicians in this Medicare group

NPI 1952327256 (800) 470-0071

Sutter Bay Medical Foundation

17 mi

Multi-Specialty

1315 ALHAMBRA BLVD STE 210
Sacramento, CA 95816

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1003267196 (916) 732-4380

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

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

331 services308 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

91 services91 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

57 services54 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

47 services14 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

41 services41 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

33 services32 patients

Injection, ketorolac tromethamine, per 15 mg J1885

Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.

32 services14 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

25 services25 patients

Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635

This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.

18 services18 patients

Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus 87637

This test identifies if you have COVID-19, influenza A or B, or respiratory syncytial virus. It uses a multiplex amplified probe technique, which amplifies and detects specific genetic material of the viruses, helping in accurate diagnosis.

18 services18 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

17 services17 patients

Detection test by immunoassay technique for streptococcus, group a (strep) 87430

A detection test using the immunoassay technique for Group A Strep is a simple procedure. It identifies a specific bacteria, Streptococcus, which can cause throat infections. A swab from your throat is taken and tested for the presence of these bacteria.

12 services12 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95616 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

$92.61 typical visit price

range $60.44 – $180.85

Typical copayment $23.15 (range $15.11 – $45.21)

Most-billed visit code 99203

Established Patient

$105.95 typical visit price

range $19.88 – $148.15

Typical copayment $26.48 (range $4.97 – $37.03)

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.

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.

ALICE M VAN ALSTINE MD

Family Medicine

2020 SUTTER PL, #101
DAVIS, CA 95616

Yolo County (530) 750-5900

DR. BETHELEN J JOHNSON M.D.

Obstetrics & Gynecology

2020 SUTTER PL, #203
DAVIS, CA 95616

Yolo County (530) 750-5880

ARFAN DIN DO

Family Medicine

2020 SUTTER PL, #101
DAVIS, CA 95616

Yolo County (530) 750-5900

ANNE MARIE BISSON PA

Physician Assistant

2020 SUTTER PL, SUITE 100
DAVIS, CA 95616

Yolo County (530) 750-5830

JAMES W. EUSEBIO M.D.

Pediatrics

2020 SUTTER PL, SUITE 201
DAVIS, CA 95616

Yolo County (530) 750-5959

JESSICA LYNN WITTY NAGEL CNM

Advanced Practice Midwife

2020 SUTTER PL, SUITE 203
DAVIS, CA 95616

Yolo County (530) 750-5880

DR. JUSTINE NATASHA LAUBLY M.D.

Family Medicine

2020 SUTTER PL, STE. 101
DAVIS, CA 95616

Yolo County (530) 750-5900

DR. STUART F. HOBBS M.D.

Family Medicine

2020 SUTTER PL, SUITE 101
DAVIS, CA 95616

Yolo County (530) 750-5900

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 Carolyn Geanacou's NPI number?

The NPI number for Carolyn Geanacou is 1225186000. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Where is Carolyn Geanacou located?

Carolyn Geanacou practices at 2020 Sutter Pl Suite 101, Davis, CA 95616. The listed phone number is (530) 750-5830.

What is Carolyn Geanacou's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Carolyn Geanacou enrolled in Medicare?

Yes. Carolyn Geanacou 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 organizations bill Medicare for Carolyn Geanacou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Geanacou reassigns Medicare benefits to 2 organizations: Sutter Valley Medical Foundation (Sacramento, CA) and Sutter Bay Medical Foundation (Sacramento, CA). Each 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 Carolyn Geanacou'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 Carolyn Geanacou was last updated on July 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.