DR. JUANA GONZALEZ AGUIRRE M.D.
NPI 1811278112
Internal Medicine in Concord, CA

Q: What is Juana Gonzalez Aguirre's NPI number?

The NPI number for Juana Gonzalez Aguirre is 1811278112. It was assigned to this individual provider in the NPPES registry on August 31, 2011. The provider is also known as Juana Gonzalez Martinez M.D..

Q: What is Juana Gonzalez Aguirre's specialty?

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

Active since August 31, 2011PECOS EnrolledAccepts Medicare Assignment

2700 GRANT ST, #200, CONCORD, CA 94520(925) 677-0500(925) 677-0519 Get Directions Write a Review

NPPES record last updated: January 19, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Juana Gonzalez Aguirre M.d. NPPES

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

DR. JUANA GONZALEZ AGUIRRE M.D. (NPI 1811278112) is an individual internal medicine provider in Concord, California, licensed in California (A117419) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1811278112

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. JUANA GONZALEZ AGUIRRECredential: M.D.

Location Address2700 GRANT ST, #200Concord, CA 94520-2266

Mailing AddressDept 34929, P.o. Box 39000San Francisco, CA 94139-0001 · (925) 952-2828 · Fax (925) 952-2850

Phone(925) 677-0500

Fax(925) 677-0519

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateAugust 31, 2011

Last NPPES UpdateJanuary 19, 2015

✔ NPI 1811278112 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 · A117419

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.

2700 GRANT ST, Concord, CA 94520

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Other Names 1

Former Name (1)Juana Gonzalez Martinez M.d.

Other Identifiers 2

OtherP01384902CA · Railroad Medicare

Medicare PINFM156YCA

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. Juana Gonzalez Aguirre 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 ID7214109115

PECOS Enrollment IDI20111019000684

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 Juana Gonzalez Aguirre reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

John Muir Physician Network

4.1 mi

General Practice

1450 TREAT BLVD, SUITE 300
Walnut Creek, CA 94597

Reassigned Medicare billing, California enrollment
650 clinicians in this Medicare group

NPI 1841407665 (925) 296-9872

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 14

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.

655 services386 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.

339 services273 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.

158 services158 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.

55 services55 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

51 services51 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.

43 services37 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.

38 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.

32 services27 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.

20 services19 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.

19 services19 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.

15 services12 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

15 services15 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

11 services11 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94520 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 9

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

13 suppliers29 claims100 services$6.05 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

9 suppliers19 claims22 services$1.06 avg. paid by Medicare

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351

DME-Orthotic Devices · category DF008N

1 supplier12 claims2,260 services$1.49 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers14 claims14 services$3.51 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

3 suppliers18 claims18 services$64.01 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers12 claims12 services$28.48 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.

DR. ERIC PAUL HOENIG M.D.

Hospitalist

2700 GRANT ST, SUITE 200
CONCORD, CA 94520

Contra Costa County (925) 674-2609

CONTRA COSTA ENT MEDICAL ASSOC

Otolaryngology

2700 GRANT ST, SUITE 104
CONCORD, CA 94520

Contra Costa County (925) 685-7400

DR. ARSEEN E SOLIMAN M.D.

Internal Medicine

2700 GRANT ST, SUITE 200
CONCORD, CA 94520

Contra Costa County (925) 677-0500

ARRHYTHMIA SPECIALISTS INC

Internal Medicine (Cardiovascular Disease)

2700 GRANT ST, 319
CONCORD, CA 94520

Contra Costa County (925) 935-2070

DR. JULIE ANNE CAHILL M.D.

Internal Medicine

2700 GRANT ST, SUITE 200
CONCORD, CA 94520

Contra Costa County (925) 677-0500

LISA QUINONES MD

Family Medicine

2700 GRANT ST, STE 200
CONCORD, CA 94520

Contra Costa County (925) 677-0510

PHILIP JAMES GOMEZ JR. P.T.

Physical Therapist

2700 GRANT ST
CONCORD, CA 94520

Contra Costa County (925) 673-2125

NORCAL UROLOGY MEDICAL GROUP

Urology

2700 GRANT ST, SUITE 316
CONCORD, CA 94520

Contra Costa County (925) 825-8100

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 Juana Gonzalez Aguirre's NPI number?

The NPI number for Juana Gonzalez Aguirre is 1811278112. It was assigned to this individual provider in the NPPES registry on August 31, 2011. The provider is also known as Juana Gonzalez Martinez M.D..

Where is Juana Gonzalez Aguirre located?

Juana Gonzalez Aguirre practices at 2700 Grant St #200, Concord, CA 94520. The listed phone number is (925) 677-0500.

What is Juana Gonzalez Aguirre's specialty?

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

Is Juana Gonzalez Aguirre enrolled in Medicare?

Yes. Juana Gonzalez Aguirre 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 Juana Gonzalez Aguirre's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Juana Gonzalez Aguirre reassigns Medicare benefits to John Muir Physician Network (Walnut Creek, 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 Juana Gonzalez Aguirre'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 Juana Gonzalez Aguirre was last updated on January 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.