CHARLES WEISS MD
NPI 1780788919
Family Medicine in Palo Alto, CA

Active since September 08, 2006PECOS EnrolledAccepts Medicare Assignment
795 EL CAMINO REAL, PALO ALTO, CA 94301(650) 853-2959 Get Directions Write a Review

NPPES record last updated: June 6, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 6, 2025, May 25, 2021, Mar 3, 2020 (3 updates tracked since 2020).

About Charles Weiss Md NPPES

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

CHARLES WEISS MD (NPI 1780788919) is an individual family medicine provider in Palo Alto, California, licensed in California (G48539) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (1981).

NPPES Registry Identity

NPI1780788919
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameCHARLES WEISSCredential: MD
Location Address795 EL CAMINO REALPalo Alto, CA 94301-2302
Mailing AddressPo Box 276950Sacramento, CA 95827-6950 · (650) 853-2958
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 1981
Enumeration DateSeptember 8, 2006
Last NPPES UpdateJune 6, 20253 updates tracked since enumeration
NPPES CertifiedJune 6, 2025
NPI 1780788919 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 · G48539
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.
795 EL CAMINO REAL, Palo Alto, CA 94301

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

Charles Weiss 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 ID7719052232
PECOS Enrollment IDI20080819000266
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 5

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.

Injection, ceftriaxone sodium, per 250 mg J0696
Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.
56 services12 patients
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.
48 services48 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.
47 services46 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.
13 services13 patients
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365
This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94301 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Dermatology
795 EL CAMINO REAL
PALO ALTO, CA 94301
Psychiatry & Neurology (Psychiatry)
795 EL CAMINO REAL
PALO ALTO, CA 94301
Physical Therapist
795 EL CAMINO REAL
PALO ALTO, CA 94301
Dietitian, Registered
795 EL CAMINO REAL
PALO ALTO, CA 94301
Dermatology
795 EL CAMINO REAL
PALO ALTO, CA 94301
Obstetrics & Gynecology
795 EL CAMINO REAL
PALO ALTO, CA 94301
Family Medicine
795 EL CAMINO REAL
PALO ALTO, CA 94301
Pediatrics
795 EL CAMINO REAL
PALO ALTO, CA 94301

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 Charles Weiss's NPI number?

The NPI number for Charles Weiss is 1780788919. It was assigned to this individual provider in the NPPES registry on September 8, 2006.

Where is Charles Weiss located?

Charles Weiss practices at 795 El Camino Real, Palo Alto, CA 94301. The listed phone number is (650) 853-2959.

What is Charles Weiss's specialty?

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

Is Charles Weiss enrolled in Medicare?

Yes. Charles Weiss 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 Charles Weiss was last updated on June 6, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.