DR. ROBERT S CLUFF MD
NPI 1982623484
Psychiatry & Neurology - Neurology in Antioch, CA

NPI Status: Active since July 18, 2006

Contact Information

3737 LONE TREE WAY
ANTIOCH, CA
ZIP 94509
Phone: (925) 754-1768
Fax: (925) 754-1764

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  • Individual
  • Male
  • Years of Experience 33
  • Psychiatry & Neurology
  • Neurology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • CLIA Number: 05D2024645
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 05-19-2027

About ROBERT CLUFF

This page provides the complete NPI Profile along with additional information for Robert Cluff, a provider established in Antioch, California with a medical specialization in Psychiatry & Neurology, focusing in neurology and more than 33 years of experience. He graduated from Loma Linda University School Of Medicine in 1993. The healthcare provider is registered in the NPI registry with number 1982623484 assigned on July 2006. The practitioner's primary taxonomy code is 2084N0400X with license number G80592 (CA). The provider is registered as an individual and his NPI record was last updated one year ago. Robert Cluff operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1982623484
Provider Name
DR. ROBERT S CLUFF MD
Gender
Male
Entity Type
Individual
Location Address
3737 LONE TREE WAY ANTIOCH, CA 94509
Location Phone
(925) 754-1768
Location Fax
(925) 754-1764
Mailing Address
3737 LONE TREE WAY ANTIOCH, CA 94509
Mailing Phone
(925) 754-1768
Mailing Fax
(925) 754-1764
Medical School Name
LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
1993
Is Sole Proprietor?
Yes
Enumeration Date
07-18-2006
Last Update Date
12-02-2025
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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

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
G80592
License State
CA
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
00G805920MEDICAID (05)CA 

Medicare Participation & PECOS Enrollment Status

Robert Cluff 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.

Robert Cluff 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: 5294927190

    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: I20101011000823

    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.

Alcohol and/or substance (other than tobacco) misuse structured assessment (e.g., audit, dast), and brief intervention 15 to 30 minutes

This service involves a structured evaluation of your alcohol or substance use habits. It identifies potential issues and provides brief counseling to help modify harmful behaviors. It's a short, 15-30 minute process, focused on promoting healthier choices.

This service was performed 502 times for 142 patients

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 244 times for 128 patients

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 1,019 times for 134 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 276 times for 61 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $38.45 for a new patient copayment and $29.87 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 94509 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $153.83
  • Minimum New Patient Price $69
  • Maximum New Patient Price $202.35
  • Average New Patient Copayment $38.45
  • Minimum New Patient Copayment $17.25
  • Maximum New Patient Copayment $50.58

Established Patients Visit Costs *

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

  • Average Established Patient Price $119.48
  • Minimum Established Patient Price $23.44
  • Maximum Established Patient Price $166.46
  • Average Established Patient Copayment $29.87
  • Minimum Established Patient Copayment $5.86
  • Maximum Established Patient Copayment $41.61

* 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
05D2024645
Facility Type
Physician Office
Certificate Effective Date
May 20, 2025
Certificate Expiration Date
May 19, 2027
Laboratory Director
ROBERT S. ROBERT
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Robert Cluff 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 1982623484, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
2
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
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 6 → 12 → 3 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 1 + 2 + 2 + 6 + 4 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1982623484.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
3737 LONE TREE WAY
ANTIOCH, CA 94509
Family Medicine
3737 LONE TREE WAY
ANTIOCH, CA 94509
Obstetrics & Gynecology
3737 LONE TREE WAY
ANTIOCH, CA 94509
Clinical Medical Laboratory
3737 LONE TREE WAY
ANTIOCH, CA 94509
Dentist
3737 LONE TREE WAY, SUITE F
ANTIOCH, CA 94509
Dentist
3737 LONE TREE WAY, #F
ANTIOCH, CA 94509
Obstetrics & Gynecology
3737 LONE TREE WAY
ANTIOCH, CA 94509
Nurse Practitioner (Women's Health)
3737 LONE TREE WAY
ANTIOCH, CA 94509
Nurse Practitioner (Family)
3737 LONE TREE WAY
ANTIOCH, CA 94509

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982623484, enumerated as an "individual" on July 18, 2006.

The provider is located at 3737 LONE TREE WAY ANTIOCH, CA 94509 and the phone number is (925) 754-1768.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.