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HARRIET VAUGHN GREENFIELD NP
NPI 1790897122
Nurse Practitioner - Adult Health in Lake Ridge, VA

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment
12656A LAKE RIDGE DR STE A, LAKE RIDGE, VA 22192(571) 427-2095(320) 238-7553 Get Directions Write a Review

NPPES record last updated: November 8, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Harriet Vaughn Greenfield Np NPPES

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

HARRIET VAUGHN GREENFIELD NP (NPI 1790897122) is an individual adult health provider in Lake Ridge, Virginia, licensed in Virginia (0024167038) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Sentara Northern Virginia Medical Center, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1790897122
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameHARRIET VAUGHN GREENFIELDCredential: NP
Location Address12656A LAKE RIDGE DR STE ALake Ridge, VA 22192-2335
Mailing Address12656 Lake Ridge Dr Ste ALake Ridge, VA 22192-7504 · (571) 427-2095 · Fax (320) 238-7553
Phone(571) 427-2095
Fax(320) 238-7553
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateAugust 31, 2006
Last NPPES UpdateNovember 8, 2024
NPPES CertifiedNovember 5, 2024
✔ NPI 1790897122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in VA · 0024167038
12656A LAKE RIDGE DR STE A, Lake Ridge, VA 22192
Open in Google Maps ↗

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

Harriet Vaughn Greenfield Np 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 ID5092954552
PECOS Enrollment IDI20150427001480
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

2

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

Harriet V Greenfield Np, LLC
Same address
Primary Care
12656 LAKE RIDGE DR STE A
Woodbridge, VA 22192
  • Reassigned Medicare billing, Virginia enrollment
NPI 1790487486 (571) 427-2095
Ridgeview Internal Medicine
3.1 mi
Internal Medicine
2000 OPITZ BLVD
Woodbridge, VA 22191
  • Reassigned Medicare billing, Virginia enrollment
  • 3 clinicians in this Medicare group
NPI 1861437139 (703) 499-9144

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 7

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.
709 services226 patients
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.
172 services105 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
71 services71 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.
69 services69 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
47 services47 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.
29 services23 patients

Hospital Affiliations CMS Care Compare

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

Sentara Northern Virginia Medical Center

Acute Care Hospitals · Woodbridge, VA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490113
Location2300 Opitz BoulevardWoodbridge, VA 22191 · Prince William County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22192 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
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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
23%926 patients2/55-star benchmark: 85%
Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
59%339 patients3/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%5,345 patients5/55-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
80%557 patients4/55-star benchmark: 90%
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…
29%1,659 patients2/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
42%1,307 patients2/55-star benchmark: 88%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 3% · 557 patients
11%557 patients2/55-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 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
13 suppliers42 claims129 services$6.56 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers23 claims37 services$1.11 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
1 supplier17 claims2,783 services$0.03 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Harriet Greenfield's NPI number?

The NPI number for Harriet Greenfield is 1790897122. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Harriet Greenfield located?

Harriet Greenfield practices at 12656A Lake Ridge Dr Ste A, Lake Ridge, VA 22192. The listed phone number is (571) 427-2095.

What is Harriet Greenfield's specialty?

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

Is Harriet Greenfield enrolled in Medicare?

Yes. Harriet Greenfield 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 Harriet Greenfield's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Harriet Greenfield reassigns Medicare benefits to 2 organizations: Harriet V Greenfield Np, LLC (Woodbridge, VA) and Ridgeview Internal Medicine (Woodbridge, VA). 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 Harriet Greenfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Harriet Greenfield affiliated with any hospitals?

According to CMS data, Harriet Greenfield is affiliated with Sentara Northern Virginia Medical Center.

When was this NPI record last updated?

The NPPES record for Harriet Greenfield was last updated on November 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.