DR. JAMES ANDREW WATSON M.D.
NPI 1780705665
Specialist in Palo Alto, CA

NPI Status: Active since April 02, 2007

Contact Information

900 WELCH RD
SUITE 403
PALO ALTO, CA
ZIP 94304
Phone: (650) 327-8778
Fax: (650) 327-2794

Get Directions Write a Review

  • Individual
  • Male
  • Years of Experience 23
  • Specialist
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • CLIA Number: 05D2001867
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 01-03-2026

About JAMES WATSON

This page provides the complete NPI Profile along with additional information for James Watson, a provider established in Palo Alto, California with a medical specialization in Specialist and more than 23 years of experience. The healthcare provider is registered in the NPI registry with number 1780705665 assigned on April 2007. The practitioner's primary taxonomy code is 174400000X with license number A98977 (CA). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1780705665
Provider Name
DR. JAMES ANDREW WATSON M.D.
Gender
Male
Entity Type
Individual
Location Address
900 WELCH RD SUITE 403 PALO ALTO, CA 94304
Location Phone
(650) 327-8778
Location Fax
(650) 327-2794
Mailing Address
8833 MONTEREY RD STE G GILROY, CA 95020
Mailing Phone
(650) 327-8778
Mailing Fax
(650) 327-2794
Medical School Name
OTHER
Graduation Year
2003
Is Sole Proprietor?
No
Enumeration Date
04-02-2007
Last Update Date
03-16-2018
Code Navigator

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
A98977
License State
CA
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Medicare Participation & PECOS Enrollment Status

James Watson is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

James Watson is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 4688754120

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20080109000482

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 61 times for 40 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 23 times for 23 patients

New patient office or other outpatient visit, 45-59 minutes

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.

This service was performed 17 times for 17 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

This service was performed 18 times for 17 patients

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D2001867
Facility Type
Physician Office
Certificate Effective Date
January 04, 2024
Certificate Expiration Date
January 03, 2026
Laboratory Director
JAMES A. WATSON
Certificate Type
Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description
This CLIA certificate is issued to James Watson in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.

Reviews for DR. JAMES ANDREW WATSON M.D.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1780705665, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 7 → 14 → 5 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 7 + 1 + 6 + 0 + 1 + 4 + 0 + 1 + 0 + 6 + 1 + 2 + 24 = 55

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1780705665.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Dermatology
900 WELCH RD, SUITE 300
PALO ALTO, CA 94304
Radiology (Diagnostic Radiology)
900 WELCH RD, SUITE 101
PALO ALTO, CA 94304
Psychologist
900 WELCH RD, SUITE #204
PALO ALTO, CA 94304
Radiology (Diagnostic Radiology)
900 WELCH RD, SUITE 101
PALO ALTO, CA 94304
Psychologist (Clinical)
900 WELCH RD, SUITE 400
PALO ALTO, CA 94304
Obstetrics & Gynecology
900 WELCH RD, STE 401
PALO ALTO, CA 94304
Internal Medicine (Gastroenterology)
900 WELCH RD, STE 105
PALO ALTO, CA 94304
Obstetrics & Gynecology
900 WELCH RD, 403
PALO ALTO, CA 94304
Obstetrics & Gynecology (Gynecology)
900 WELCH RD, SUITE 209
PALO ALTO, CA 94304
Dentist
900 WELCH RD, SUITE 106
PALO ALTO, CA 94304
Otolaryngology (Plastic Surgery within the Head & Neck)
900 WELCH RD, SUITE 103
PALO ALTO, CA 94304
Psychologist (Clinical)
900 WELCH RD, SUITE 400
PALO ALTO, CA 94304
Psychiatry & Neurology (Psychiatry)
900 WELCH RD, SUITE 207
PALO ALTO, CA 94304
Obstetrics & Gynecology
900 WELCH RD, SUITE 403
PALO ALTO, CA 94304
Psychologist
900 WELCH RD, SUITE 207
PALO ALTO, CA 94304
Obstetrics & Gynecology (Gynecology)
900 WELCH RD, SUITE 403
PALO ALTO, CA 94304
Psychologist (Clinical)
900 WELCH RD, SUITE 400
PALO ALTO, CA 94304
Clinic/Center (Radiology)
900 WELCH RD, SUITE 101
PALO ALTO, CA 94304
Obstetrics & Gynecology
900 WELCH RD, SUITE 403
PALO ALTO, CA 94304
Psychiatry & Neurology (Behavioral Neurology & Neuropsychiatry)
900 WELCH RD, SUITE 203
PALO ALTO, CA 94304

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780705665, enumerated as an "individual" on April 02, 2007.

The provider is located at 900 WELCH RD SUITE 403 PALO ALTO, CA 94304 and the phone number is (650) 327-8778.

Specialist with taxonomy code 174400000X.