ANNA CAROLYN OCONNELL LPCC, BC-DMT, GL-CMA
NPI 1144711698
Counselor - Professional in Walnut Creek, CA

NPI Status: Active since May 21, 2018

Contact Information

2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA
ZIP 94597
Phone: (925) 282-1778

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NPPES record last updated: April 15, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Apr 15, 2026, May 21, 2018 (2 updates tracked since 2018).

  • Individual
  • Female
  • Years of Experience 17
  • Counselor
  • Professional
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ANNA OCONNELL

This page provides the complete NPI Profile along with additional information for Anna Oconnell, a provider established in Walnut Creek, California with a medical specialization in Counselor, focusing in professional and more than 17 years of experience. The healthcare provider is registered in the NPI registry with number 1144711698 assigned on May 2018. The practitioner's primary taxonomy code is 101YP2500X with license number 4672 (CA). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1144711698
Provider Name
ANNA CAROLYN OCONNELL LPCC, BC-DMT, GL-CMA
Gender
Female
Entity Type
Individual
Location Address
2970 CAMINO DIABLO STE 300 WALNUT CREEK, CA 94597
Location Phone
(925) 282-1778
Mailing Address
2970 CAMINO DIABLO STE 300 WALNUT CREEK, CA 94597
Mailing Phone
(925) 282-1778
Medical School Name
OTHER
Graduation Year
2010
Is Sole Proprietor?
Yes
Enumeration Date
05-21-2018
Last Update Date
04-15-2026
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Location Map

Secondary Locations

  • 3150 18th St Unit 240
    San Francisco, CA 94110
    (323) 902-6824

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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
4672
License State
CA

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)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

4672 (CA)

Medicare Participation & PECOS Enrollment Status

Anna Oconnell 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.

Anna Oconnell 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 and Durable Medical Equipment (DME).

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: 1951878594

    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: I20260430003217

    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): No

  • Eligible to Order or Refer Power Mobility Devices: No

Reviews for ANNA CAROLYN OCONNELL LPCC, BC-DMT, GL-CMA

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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 1144711698, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
4
Doubled → 8
Pos 4
4
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
1
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
8
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 4 → 8 7 → 14 → 5 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 8 + 4 + 1 + 4 + 1 + 2 + 6 + 1 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1144711698.

Other Providers at the Same Location


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

Psychologist
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Psychiatry & Neurology (Psychiatry)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Nurse Practitioner (Psychiatric/Mental Health)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Marriage & Family Therapist
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Social Worker (Clinical)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Social Worker (Clinical)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Marriage & Family Therapist
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Nurse Practitioner (Psychiatric/Mental Health)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Marriage & Family Therapist
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Social Worker (Clinical)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Psychiatry & Neurology (Psychiatry)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Psychologist (Clinical)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Marriage & Family Therapist
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Nurse Practitioner (Psychiatric/Mental Health)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Psychologist (Clinical)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Marriage & Family Therapist
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Nurse Practitioner (Psychiatric/Mental Health)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Psychiatry & Neurology (Psychiatry)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Psychologist (Clinical)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Psychologist
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144711698, enumerated as an "individual" on May 21, 2018.

The provider is located at 2970 CAMINO DIABLO STE 300 WALNUT CREEK, CA 94597 and the phone number is (925) 282-1778.

Counselor with taxonomy code 101YP2500X and a focus in Professional.