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MRS. ABIGAIL LYNN BROCK CRNP
NPI 1912339516
Nurse Practitioner - Family in Madison, AL

Active since August 06, 2013PECOS EnrolledAccepts Medicare Assignment
94.63/100
CMS Quality Rating
8489 MADISON BLVD, MADISON, AL 35758(256) 850-8400(256) 850-8401 Get Directions Write a Review

NPPES record last updated: July 18, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 18, 2023, Nov 6, 2020, Nov 16, 2015 (3 updates tracked since 2015).

About Mrs. Abigail Lynn Brock Crnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. ABIGAIL LYNN BROCK CRNP (NPI 1912339516) is an individual family provider in Madison, Alabama, licensed in Alabama (1-101695) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS, maintains a secondary practice location in Huntsville, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1912339516
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. ABIGAIL LYNN BROCKCredential: CRNP
Location Address8489 MADISON BLVDMadison, AL 35758-2005
Mailing AddressPo Box 2705Huntsville, AL 35804-2705 · (256) 265-9870 · Fax (256) 265-9875
Phone(256) 850-8400
Fax(256) 850-8401
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateAugust 6, 2013
Last NPPES UpdateJuly 18, 20233 updates tracked since enumeration
NPPES CertifiedJuly 18, 2023
✔ NPI 1912339516 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in AL · 1-101695
8489 MADISON BLVD, Madison, AL 35758
Open in Google Maps ↗

Other Names 1

Former Name (1)Ms. Abigail Lynn Burgess

Secondary Practice Location 1

Location 1401 Lowell Dr SE Ste 19Huntsville, AL 35801-3738 · Phone (256) 265-9870 · Fax (256) 265-9875

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Abigail Lynn Brock Crnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830402106
PECOS Enrollment IDI20150715001038
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Abigail Brock reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hh Physician Care
9.3 mi
Internal Medicine
101 SIVLEY RD SW
Huntsville, AL 35801
  • Reassigned Medicare billing, Alabama enrollment
  • 165 clinicians in this Medicare group
NPI 1144860123 (256) 801-6036
Advantage Family Care Inc
52 mi
Urgent Care
202 COX CREEK PKWY
Florence, AL 35630
  • Reassigned Medicare billing, Alabama enrollment
  • 123 clinicians in this Medicare group
NPI 1023447943 (256) 349-5496
Alpha Hospitalist Services
62 mi
Hospitalist
410 BROAD ST
Gadsden, AL 35901
  • Reassigned Medicare billing, Alabama enrollment
  • 22 clinicians in this Medicare group
NPI 1376872127 (256) 438-5107
Health Care Authority For Baptist Health, An Affiliate Of Uabhs
162 mi
Internal Medicine
301 BROWN SPRINGS RD
Montgomery, AL 36117
  • Reassigned Medicare billing, Alabama enrollment
  • 439 clinicians in this Medicare group
NPI 1033534524 (334) 273-4159

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
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.
60 services51 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
25 services21 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
16 services14 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35758 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.90 typical visit price
range $52.65 – $161.63
Typical copayment $20.47 (range $13.16 – $40.40)
Most-billed visit code 99203
Established Patient
$93.72 typical visit price
range $16.56 – $131.65
Typical copayment $23.43 (range $4.14 – $32.91)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.63/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality89.27
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
95%799 patients4/55-star benchmark: 100%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
83%196 patients3/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
67%195 patients3/55-star benchmark: 99%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
43%137 patients2/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
98%195 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$215.40 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHELLY HARLOW FNP-C
Nurse Practitioner (Family)
8489 MADISON BLVD
MADISON, AL 35758
Madison County (256) 850-8400
ERIN OLIVIA SCHMALE
Family Medicine
8489 MADISON BLVD
MADISON, AL 35758
Madison County (256) 850-8400
SIERRA KEITH MSN, CRNP, FNP-C
Nurse Practitioner (Family)
8489 MADISON BLVD
MADISON, AL 35758
Madison County (256) 850-8400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Abigail Brock's NPI number?

The NPI number for Abigail Brock is 1912339516. It was assigned to this individual provider in the NPPES registry on August 6, 2013. The provider is also known as Ms. Abigail Lynn Burgess.

Where is Abigail Brock located?

Abigail Brock practices at 8489 Madison Blvd, Madison, AL 35758. The listed phone number is (256) 850-8400.

What is Abigail Brock's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Abigail Brock enrolled in Medicare?

Yes. Abigail Brock is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Abigail Brock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abigail Brock reassigns Medicare benefits to 4 organizations: Hh Physician Care (Huntsville, AL), Advantage Family Care Inc (Florence, AL), Alpha Hospitalist Services (Gadsden, AL) and Health Care Authority For Baptist Health, An Affiliate Of Uabhs (Montgomery, AL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Abigail Brock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Abigail Brock accept?

Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee, Blue Cross and Blue Shield of Alabama and UnitedHealthcare list Abigail Brock as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Abigail Brock was last updated on July 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.