DR. MARY GREEN KNOX M.D.
NPI 1043273550
Family Medicine in Charlotte, NC

Q: What is Mary Knox's NPI number?

The NPI number for Mary Knox is 1043273550. It was assigned to this individual provider in the NPPES registry on April 7, 2006. The provider is also known as Dr. Mary Faison Green MD.

Q: What is Mary Knox's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Knox was last updated on March 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 07, 2006PECOS EnrolledAccepts Medicare Assignment

5821 FAIRVIEW RD STE 106, CHARLOTTE, NC 28209(704) 826-3550 Get Directions Write a Review

NPPES record last updated: March 7, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 7, 2022, Oct 25, 2020 (2 updates tracked since 2020).

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About Dr. Mary Green Knox M.d. NPPES

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

DR. MARY GREEN KNOX M.D. (NPI 1043273550) is an individual family medicine provider in Charlotte, North Carolina, licensed in North Carolina (2000-01589) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Novant Health Presbyterian Medical Center, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1043273550

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. MARY GREEN KNOXCredential: M.D.

Location Address5821 FAIRVIEW RD STE 106Charlotte, NC 28209-3649

Mailing Address10900 World Trade BlvdRaleigh, NC 27617-4202 · (919) 237-1337 · Fax (919) 237-1625

Phone(704) 826-3550

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateApril 7, 2006

Last NPPES UpdateMarch 7, 20222 updates tracked since enumeration

NPPES CertifiedMarch 7, 2022

✔ NPI 1043273550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in NC · 2000-01589

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

5821 FAIRVIEW RD STE 106, Charlotte, NC 28209

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Other Names 1

Former Name (1)Dr. Mary Faison Green Md

Other Identifiers 1

Medicaid891321CNC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, Cigna Healthcare, UnitedHealthcare.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

Dr. Mary Green Knox M.d. 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 ID4587671656

PECOS Enrollment IDI20060314000724

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

Medicare enrollment records show Mary Knox reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Novant Health Medical Group, LLC

0.3 mi

Pediatrics

6010 CARNEGIE BLVD
Charlotte, NC 28209

Reassigned Medicare billing, North Carolina enrollment
2,998 clinicians in this Medicare group

NPI 1407369440 (704) 384-9966

Avance Care, PA

120 mi

Clinic/Center

400 ATTAIN ST STE 202
Fuquay Varina, NC 27526

Reassigned Medicare billing, North Carolina enrollment
217 clinicians in this Medicare group

NPI 1487845020 (919) 655-1000

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 10

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.

180 services101 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

127 services16 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

61 services61 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.

60 services39 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

57 services57 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

50 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Novant Health Presbyterian Medical Center

Acute Care Hospitals · Charlotte, NC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340053

Location200 Hawthorne Lane Box 33549Charlotte, NC 28233 · Mecklenburg County

Emergency services Birthing friendly

Novant Health Matthews Medical Center

Acute Care Hospitals · Matthews, NC

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number340171

Location1500 Matthews Twnshp Prkwy Box 3310Matthews, NC 28106 · Mecklenburg County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28209 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

$83.90 typical visit price

range $54.12 – $165.09

Typical copayment $20.97 (range $13.53 – $41.27)

Most-billed visit code 99203

Established Patient

$95.94 typical visit price

range $17.21 – $134.61

Typical copayment $23.98 (range $4.30 – $33.65)

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

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

91%100 patients4/55-star benchmark: 100%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

88%138 patients4/55-star benchmark: 100%

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…

58%142 patients3/55-star benchmark: 100%

Screening for Osteoporosis for Women Aged 65-85 Years of Age

Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis

90%96 patients4/55-star benchmark: 98%

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 9

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

BRYCE ABBE MANTON DNP, FNP, RN

Nurse Practitioner (Family)