DR. CARLA BETH MARIENFELD MD
NPI 1104007657
Psychiatry & Neurology - Addiction Psychiatry in La Jolla, CA

NPI Status: Active since November 26, 2007

Contact Information

8950 VILLA LA JOLLA DR STE C101
LA JOLLA, CA
ZIP 92037
Phone: (858) 249-1680
Fax: (858) 249-1681

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  • Individual
  • Female
  • Years of Experience 19
  • Psychiatry & Neurology
  • Addiction Psychiatry
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About CARLA MARIENFELD

This page provides the complete NPI Profile along with additional information for Carla Marienfeld, a provider established in La Jolla, California with a medical specialization in Psychiatry & Neurology, focusing in addiction psychiatry and more than 19 years of experience. She graduated from Baylor College Of Medicine in 2007. The healthcare provider is registered in the NPI registry with number 1104007657 assigned on November 2007. The practitioner's primary taxonomy code is 2084P0802X with license number A142922 (CA). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1104007657
Provider Name
DR. CARLA BETH MARIENFELD MD
Gender
Female
Entity Type
Individual
Location Address
8950 VILLA LA JOLLA DR STE C101 LA JOLLA, CA 92037
Location Phone
(858) 249-1680
Location Fax
(858) 249-1681
Mailing Address
9500 GILMAN DR MAIL CODE 0957 LA JOLLA, CA 92093
Mailing Phone
(858) 534-8730
Mailing Fax
(858) 249-1681
Medical School Name
BAYLOR COLLEGE OF MEDICINE
Graduation Year
2007
Is Sole Proprietor?
No
Enumeration Date
11-26-2007
Last Update Date
10-28-2022
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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 Addiction Psychiatry

Taxonomy Code
2084P0802X
Type
Allopathic & Osteopathic Physicians
License No.
A142922
License State
CA
Taxonomy Description
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
12084A0401XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Addiction Medicine

047856 (CT)
22084A0401XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Addiction Medicine

A142922 (CA)
32084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

047856 (CT)
42084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

A142922 (CA)
52084P0802XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Addiction Psychiatry

047856 (CT)

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
D400073259OTHER (01)CTMEDICARE PROVIDER/SUPPLIER NUMBER
008003745MEDICAID (05)CT 

Medicare Participation & PECOS Enrollment Status

Carla Marienfeld 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.

Carla Marienfeld 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: 3577690205

    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: I20160802001737

    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 165 times for 42 patients

Psychotherapy with evaluation and management visit, 30 minutes

Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.

This service was performed 38 times for 15 patients

Reviews for DR. CARLA BETH MARIENFELD MD

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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 1104007657, we treat the final digit (7) 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 43. The final step is to find the difference between that total and the next multiple of ten (50 - 43 = 7).

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
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
0
Doubled → 0
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
7
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 0 → 0 0 → 0 7 → 14 → 5 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 0 + 0 + 1 + 4 + 6 + 1 + 0 + 24 = 43

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

The next multiple of ten after 43 is 50. The difference is the calculated check digit.

50 - 43 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1104007657.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
8950 VILLA LA JOLLA DR STE C101
LA JOLLA, CA 92037
Psychologist (Clinical)
8950 VILLA LA JOLLA DR STE C101
LA JOLLA, CA 92037
Psychiatry & Neurology (Psychiatry)
8950 VILLA LA JOLLA DR STE C101
LA JOLLA, CA 92037
Psychiatry & Neurology (Addiction Psychiatry)
8950 VILLA LA JOLLA DR STE C101
LA JOLLA, CA 92037
Psychiatry & Neurology (Addiction Medicine)
8950 VILLA LA JOLLA DR STE C101
LA JOLLA, CA 92037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104007657, enumerated as an "individual" on November 26, 2007.

The provider is located at 8950 VILLA LA JOLLA DR STE C101 LA JOLLA, CA 92037 and the phone number is (858) 249-1680.

Psychiatry & Neurology with taxonomy code 2084P0802X and a focus in Addiction Psychiatry.

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