Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MRS. MADELFIA ALMEDA ABB LCMHCA
NPI 1922691377
Counselor - Mental Health in Chapel Hill, NC

Active since February 17, 2021
220 AUTUMN DR, CHAPEL HILL, NC 27516(919) 213-1584 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Nov 1, 2022, Aug 6, 2021, Mar 17, 2021 and 1 more (4 updates tracked since 2021).

  • Individual
  • Female
  • Counselor
  • Mental Health
  • Accepts Insurance
  • Opted-Out Medicare

About MADELFIA ABB

This page provides the complete NPI Profile along with additional information for Madelfia Abb, a provider established in Chapel Hill, North Carolina with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1922691377 assigned on February 2021. The practitioner's primary taxonomy code is 101YM0800X with license number 16286 (NC). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1922691377
Provider Name
MRS. MADELFIA ALMEDA ABB LCMHCA
Gender
Female
Entity Type
Individual
Location Address
220 AUTUMN DR CHAPEL HILL, NC 27516
Location Phone
(919) 213-1584
Mailing Address
220 AUTUMN DR CHAPEL HILL, NC 27516
Mailing Phone
(919) 213-1584
Is Sole Proprietor?
Yes
Enumeration Date
02-17-2021
Last Update Date
06-29-2026
Code Navigator

A mental health counselor like Madelfia Abb provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Madelfia Abb opted out of Medicare effective on 01-08-2024 until 01-08-2028. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.

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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
16286
License State
NC

Insurance Plans Accepted

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

  • Blue Advantage Bronze Basic | 3 Free PCP | $25 Tier 1 Rx | Integrated | Nationwide Doctors - PPO
  • Blue Advantage Bronze Complete | $60 PCP | $20 Tier 1 Rx | Nationwide Doctors - PPO
  • Blue Advantage Bronze HSA Eligible | Integrated | Nationwide Doctors - PPO
  • Blue Advantage Bronze Standard | Nationwide Doctors - PPO
  • Blue Advantage Gold Premier A | 3 Free PCP | $10 Tier 1 Rx | Nationwide Doctors - PPO
  • Blue Advantage Gold Standard A | Nationwide Doctors - PPO
  • Blue Advantage Silver Choice A | 3 Free PCP | $15 Tier 1 Rx | Nationwide Doctors - PPO
  • Blue Advantage Silver Preferred | 3 Free PCP | $10 Tier 1 Rx | Integrated | Nationwide Doctors - PPO
  • Blue Advantage Silver Standard | Nationwide Doctors - PPO
  • Blue Care Bronze Basic | 3 Free PCP | $25 Tier 1 Rx | Integrated | Statewide Doctors - HMO
  • Blue Care Bronze Complete | $60 PCP | $20 Tier 1 Rx | Statewide Doctors - HMO
  • Blue Care Bronze HSA Eligible | Integrated | Statewide Doctors - HMO
  • Blue Care Bronze Standard | Statewide Doctors - HMO
  • Blue Care Gold Premier A | 3 Free PCP | $10 Tier 1 Rx | Statewide Doctors - HMO
  • Blue Care Gold Standard A | Statewide Doctors - HMO
  • Blue Care Silver Choice A | 3 Free PCP | $15 Tier 1 Rx | Statewide Doctors - HMO
  • Blue Care Silver Preferred | 3 Free PCP | $10 Tier 1 Rx | Integrated | Statewide Doctors - HMO
  • Blue Care Silver Standard | Statewide Doctors - HMO
  • Blue Home Bronze Basic | 3 Free PCP | $25 Tier 1 Rx | Integrated | with UNC Health Alliance - EPO
  • Blue Home Bronze Complete | $60 PCP | $20 Tier 1 Rx | with UNC Health Alliance - EPO

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

Medicare Participation & PECOS Enrollment Status

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.

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 01-08-2024

  • Opt-Out End Date: 01-08-2028

  • Eligible to Order and Refer? No

Reviews for MRS. MADELFIA ALMEDA ABB LCMHCA

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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 1922691377, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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
9
Unchanged
Pos 3
2
Doubled → 4
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 2 → 4 6 → 12 → 3 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 4 + 2 + 1 + 2 + 9 + 2 + 3 + 1 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1922691377.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1922691377, enumerated as an "individual" on February 17, 2021.

The provider is located at 220 AUTUMN DR CHAPEL HILL, NC 27516 and the phone number is (919) 213-1584.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.

The provider might be accepting Accepts: Blue Cross and Blue Shield of NC. Please consult your insurance carrier or call the provider to verify.