SEAN PATRICK HENNESSEY MD
NPI 1750342242
Family Medicine in Vallejo, CA

Q: What is Sean Hennessey's NPI number?

The NPI number for Sean Hennessey is 1750342242. It was assigned to this individual provider in the NPPES registry on April 1, 2006.

Q: What is Sean Hennessey'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 Sean Hennessey was last updated on March 7, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 01, 2006PECOS EnrolledAccepts Medicare Assignment

100 HOSPITAL DR, #304, VALLEJO, CA 94589(707) 643-6483(707) 643-3028 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 7, 2023, Jan 24, 2019 (2 updates tracked since 2019).

On this page

About Sean Patrick Hennessey Md NPPES

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

SEAN PATRICK HENNESSEY MD (NPI 1750342242) is an individual family medicine provider in Vallejo, California, licensed in California (A02736) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1985).

NPPES Registry Identity

NPI1750342242

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameSEAN PATRICK HENNESSEYCredential: MD

Location Address100 HOSPITAL DR, #304Vallejo, CA 94589-2580

Mailing Address10470 Old Placerville Rd Ste 100Sacramento, CA 95827-2539 · (800) 470-0071

Phone(707) 643-6483

Fax(707) 643-3028

Sole ProprietorNo

Medical School CMSOtherGraduated 1985

Enumeration DateApril 1, 2006

Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration

✔ NPI 1750342242 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 · A02736

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.

100 HOSPITAL DR, Vallejo, CA 94589

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sean Patrick Hennessey 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 ID4486617446

PECOS Enrollment IDI20080524000083

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.

Areas of Expertise CMS Part B claims 12

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.

296 services195 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.

287 services186 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

64 services59 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

44 services43 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

40 services40 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

37 services37 patients

Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow G0181

This service involves a physician overseeing your care while you receive Medicare-covered services from a home health agency. The care you're receiving is complex and involves various disciplines. The physician isn't physically present but regularly supervises your treatment to ensure optimal health outcomes.

29 services15 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.

27 services24 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

19 services17 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

19 services15 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.

14 services14 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94589 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

$98.85 typical visit price

range $65.02 – $191.95

Typical copayment $24.71 (range $16.25 – $47.98)

Most-billed visit code 99203

Established Patient

$113.05 typical visit price

range $21.86 – $157.69

Typical copayment $28.26 (range $5.46 – $39.42)

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 5

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

11 suppliers46 claims91 services$5.26 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

5 suppliers21 claims21 services$1.08 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

2 suppliers22 claims22 services$54.06 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier12 claims12 services$5.48 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

1 supplier12 claims12 services$88.74 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Leave this field empty

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SUTTER REGIONAL MEDICAL FOUNDATION

Clinic/Center (Magnetic Resonance Imaging (MRI))

100 HOSPITAL DR, 2ND FLOOR
VALLEJO, CA 94589

Napa County (707) 551-3600

ALISHA R MCGRIFF NP

Nurse Practitioner (Family)

100 HOSPITAL DR
VALLEJO, CA 94589

Napa County (707) 427-4900

DR. CHAINARONG LIMVARAPUSS MD

Internal Medicine (Hematology & Oncology)

100 HOSPITAL DR, SUITE # 110
VALLEJO, CA 94589

Napa County (707) 551-3300

MOUNT DIABLO SOLANO ONCOLOGY GROUP

Internal Medicine (Hematology & Oncology)

100 HOSPITAL DR, SUITE 110B
VALLEJO, CA 94589

Napa County (707) 551-3333

DENISE VELORIA D.O.

Obstetrics & Gynecology

100 HOSPITAL DR
VALLEJO, CA 94589

Napa County (707) 427-4900

SUTTER SOLANO TCU

General Acute Care Hospital

100 HOSPITAL DR
VALLEJO, CA 94589

Napa County (800) 353-3369

SOLANO HEMATOLOGY - ONCOLOGY

Internal Medicine (Hematology & Oncology)

100 HOSPITAL DR, SUITE 110
VALLEJO, CA 94589

Napa County (707) 551-3300

NOR CAL MEDICAL GROUP INC

Podiatrist

100 HOSPITAL DR, SUITE 303
VALLEJO, CA 94589

Napa County (707) 645-7210

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 Sean Hennessey's NPI number?

The NPI number for Sean Hennessey is 1750342242. It was assigned to this individual provider in the NPPES registry on April 1, 2006.

Where is Sean Hennessey located?

Sean Hennessey practices at 100 Hospital Dr #304, Vallejo, CA 94589. The listed phone number is (707) 643-6483.

What is Sean Hennessey's specialty?

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

Is Sean Hennessey enrolled in Medicare?

Yes. Sean Hennessey 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.

When was this NPI record last updated?

The NPPES record for Sean Hennessey was last updated on March 7, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.