MARY ALLENE HARRISON NP-C
NPI 1003244021
Nurse Practitioner - Adult Health in Atlanta, GA

Active since October 30, 2013PECOS EnrolledAccepts Medicare Assignment
275 COLLIER RD NW STE 300, ATLANTA, GA 30309(404) 350-0009(404) 350-0280 Get Directions Write a Review

NPPES record last updated: November 18, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 18, 2025, Jun 16, 2018, May 9, 2018 (3 updates tracked since 2018).

About Mary Allene Harrison Np-c NPPES

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

MARY ALLENE HARRISON NP-C (NPI 1003244021) is an individual adult health provider in Atlanta, Georgia, licensed in Georgia (155058) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS, is affiliated with Piedmont Hospital, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1003244021
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMARY ALLENE HARRISONCredential: NP-C
Location Address275 COLLIER RD NW STE 300Atlanta, GA 30309-1740
Mailing Address275 Collier Rd Nw Ste 300Atlanta, GA 30309-1740 · (404) 350-0009 · Fax (404) 350-0280
Fax(404) 350-0280
Sole ProprietorYes
Medical School CMSOtherGraduated 2013
Enumeration DateOctober 30, 2013
Last NPPES UpdateNovember 18, 20253 updates tracked since enumeration
NPPES CertifiedNovember 18, 2025
NPI 1003244021 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License Licensed in GA · 155058
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 155058 (GA)
275 COLLIER RD NW STE 300, Atlanta, GA 30309

Other Identifiers 1

Medicaid003150976AGA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary Allene Harrison Np-c 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 ID42446866
PECOS Enrollment IDI20131126000450
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.

Areas of Expertise CMS Part B claims 12

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 moderate level of decision making, if using time, 30 minutes or more 99214
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.
217 services166 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
149 services65 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
128 services15 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
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.
65 services61 patients
Test to measure the level of nitric oxide gas 95012
A test to measure the level of nitric oxide gas helps assess inflammation in the lungs, often linked with asthma. You'll breathe into a device, and it'll provide a reading of nitric oxide levels. This helps monitor and manage respiratory conditions.
57 services49 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
38 services38 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Piedmont Hospital

Acute Care Hospitals · Atlanta, GA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110083
Location1968 Peachtree Rd NWAtlanta, GA 30309 · Fulton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30309 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
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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.

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
50%52 patients3/55-star benchmark: 92%
Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
44%181 patients
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
23%168 patients2/55-star benchmark: 85%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
28%71 patients2/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
50%28 patients3/55-star benchmark: 99%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
75%28 patients4/55-star benchmark: 90%
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.

Other Providers at the Same Location NPPES 20

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

Internal Medicine (Sleep Medicine)
275 COLLIER RD NW STE 300
ATLANTA, GA 30309
Nurse Practitioner
275 COLLIER RD NW STE 300
ATLANTA, GA 30309
Physician Assistant
275 COLLIER RD NW STE 300
ATLANTA, GA 30309
Physician Assistant (Medical)
275 COLLIER RD NW STE 300
ATLANTA, GA 30309
Physician Assistant
275 COLLIER RD NW STE 300
ATLANTA, GA 30309
Physician Assistant (Medical)
275 COLLIER RD NW STE 300
ATLANTA, GA 30309
Internal Medicine (Pulmonary Disease)
275 COLLIER RD NW STE 300
ATLANTA, GA 30309
Internal Medicine (Critical Care Medicine)
275 COLLIER RD NW STE 300
ATLANTA, GA 30309

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 Mary Harrison's NPI number?

The NPI number for Mary Harrison is 1003244021. It was assigned to this individual provider in the NPPES registry on October 30, 2013.

Where is Mary Harrison located?

Mary Harrison practices at 275 Collier Rd NW Ste 300, Atlanta, GA 30309. The listed phone number is (404) 350-0009.

What is Mary Harrison's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Mary Harrison enrolled in Medicare?

Yes. Mary Harrison 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.

Is Mary Harrison affiliated with any hospitals?

According to CMS data, Mary Harrison is affiliated with Piedmont Hospital.

When was this NPI record last updated?

The NPPES record for Mary Harrison was last updated on November 18, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.