DR. WALTER THOMAS MD
NPI 1952379463
Family Medicine in Simi Valley, CA

NPI Status: Active since March 09, 2006

Contact Information

1980 SEQUOIA AVE
SIMI VALLEY, CA
ZIP 93063
Phone: (805) 527-1804
Fax: (805) 527-5241

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  • Individual
  • Male
  • Years of Experience 53
  • Family Medicine
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • CLIA Number: 05D0584165
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 08-31-2026

About WALTER THOMAS

This page provides the complete NPI Profile along with additional information for Walter Thomas, a primary care provider established in Simi Valley, California with a medical specialization in Family Medicine and more than 53 years of experience. The healthcare provider is registered in the NPI registry with number 1952379463 assigned on March 2006. The practitioner's primary taxonomy code is 207Q00000X with license number A34536 (CA). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1952379463
Provider Name
DR. WALTER THOMAS MD
Gender
Male
Entity Type
Individual
Location Address
1980 SEQUOIA AVE SIMI VALLEY, CA 93063
Location Phone
(805) 527-1804
Location Fax
(805) 527-5241
Mailing Address
PO BOX 2218 SIMI VALLEY, CA 93062
Mailing Phone
(805) 527-1804
Mailing Fax
(805) 527-5241
Medical School Name
OTHER
Graduation Year
1973
Is Sole Proprietor?
No
Enumeration Date
03-09-2006
Last Update Date
12-17-2019
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A primary care provider (PCP) like Walter Thomas sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc

Location Map

Secondary Locations

  • 2080 Newbury Rd
    Newbury Park, CA 91320
    (805) 499-0308

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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
License No.
A34536
License State
CA
Taxonomy Description
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.

Medicare Participation & PECOS Enrollment Status

Walter Thomas 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.

Walter Thomas 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: 7911988621

    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: I20101101001082

    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, 30-39 minutes

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.

This service was performed 60 times for 36 patients

Established patient office or other outpatient visit, 40-54 minutes

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.

This service was performed 329 times for 71 patients

Evaluation of psychological test, each additional hour

This service involves additional hours spent on assessing psychological tests. It helps to understand your mental health better, identifying any potential issues or disorders. It's a crucial step in creating an effective treatment plan.

This service was performed 102 times for 43 patients

Evaluation of psychological test, first hour

This procedure involves a professional assessing your mental health using standardized tests. It's the initial hour of a process that helps understand your emotional well-being and cognitive abilities. It's completely non-invasive and confidential.

This service was performed 21 times for 20 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $23.82 for a new patient copayment and $27.18 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 93063 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $95.28
  • Minimum New Patient Price $62.32
  • Maximum New Patient Price $185.36
  • Average New Patient Copayment $23.82
  • Minimum New Patient Copayment $15.58
  • Maximum New Patient Copayment $46.34

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $108.74
  • Minimum Established Patient Price $20.68
  • Maximum Established Patient Price $151.85
  • Average Established Patient Copayment $27.18
  • Minimum Established Patient Copayment $5.17
  • Maximum Established Patient Copayment $37.96

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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
05D0584165
Facility Type
Physician Office
Certificate Effective Date
September 01, 2024
Certificate Expiration Date
August 31, 2026
Laboratory Director
WALTER MD THOMAS
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Walter Thomas to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1952379463, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
3
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 5 → 10 → 1 3 → 6 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 6 + 7 + 1 + 8 + 4 + 1 + 2 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1952379463.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Family Medicine
1980 SEQUOIA AVE
SIMI VALLEY, CA 93063
Physical Therapist
1980 SEQUOIA AVE
SIMI VALLEY, CA 93063
Family Medicine (Addiction Medicine)
1980 SEQUOIA AVE
SIMI VALLEY, CA 93063
Clinic/Center (Physical Therapy)
1980 SEQUOIA AVE
SIMI VALLEY, CA 93063
Family Medicine
1980 SEQUOIA AVE
SIMI VALLEY, CA 93063
Physician Assistant
1980 SEQUOIA AVE
SIMI VALLEY, CA 93063
Family Medicine
1980 SEQUOIA AVE
SIMI VALLEY, CA 93063
Family Medicine
1980 SEQUOIA AVE
SIMI VALLEY, CA 93063

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952379463, enumerated as an "individual" on March 09, 2006.

The provider is located at 1980 SEQUOIA AVE SIMI VALLEY, CA 93063 and the phone number is (805) 527-1804.

Family Medicine with taxonomy code 207Q00000X.