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DR. IAN THOMAS GREENWALT M.D.
NPI 1720405665
Surgery in Haymarket, VA

Active since March 27, 2014PECOS EnrolledAccepts Medicare Assignment
80.17/100
CMS Quality Rating
15195 HEATHCOTE BLVD STE 240, HAYMARKET, VA 20169(571) 284-3460 Get Directions Write a Review

NPPES record last updated: December 6, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 6, 2024, Aug 7, 2020, Jul 29, 2020 and 1 more (4 updates tracked since 2020).

About Dr. Ian Thomas Greenwalt M.d. NPPES

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

DR. IAN THOMAS GREENWALT M.D. (NPI 1720405665) is an individual surgery provider in Haymarket, Virginia, licensed in Virginia (0101283801) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with Fauquier Hospital, and is a graduate of Drexel University College Of Medicine (2014).

NPPES Registry Identity

NPI1720405665
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. IAN THOMAS GREENWALTCredential: M.D.
Location Address15195 HEATHCOTE BLVD STE 240Haymarket, VA 20169-6245
Mailing AddressPo Box 748613Atlanta, GA 30384-8613 · (434) 295-1000
Phone(571) 284-3460
Sole ProprietorNo
Medical School CMSDrexel University College Of MedicineGraduated 2014
Enumeration DateMarch 27, 2014
Last NPPES UpdateDecember 6, 20244 updates tracked since enumeration
NPPES CertifiedDecember 6, 2024
✔ NPI 1720405665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in VA · 0101283801
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedSurgery · Surgical OncologyTaxonomy 2086X0206X · License MD047318 (DC)
15195 HEATHCOTE BLVD STE 240, Haymarket, VA 20169
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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

Dr. Ian Thomas Greenwalt 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 ID5193141810
PECOS Enrollment IDI20241015001399
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 8

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 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.
159 services126 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
22 services22 patients
X-ray of surgical specimen 76098
An X-ray of a surgical specimen involves taking detailed images of the tissue or organ removed during surgery. This helps in examining the specimen more closely to understand the disease better. It's a safe, non-invasive procedure, providing valuable insights to your healthcare team.
19 services19 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
18 services18 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.
17 services16 patients
Partial removal of breast 19301
A partial removal of the breast, also known as a lumpectomy, involves taking out a portion of the breast tissue to eliminate concerning cells. It's typically performed when the problem area is limited in size. This procedure helps to preserve most of the breast's appearance while aiming to remove all the unhealthy cells.
15 services15 patients

Hospital Affiliations CMS Care Compare 3

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

Fauquier Hospital

Acute Care Hospitals · Warrenton, VA
3/5 CMS rating
OwnershipProprietary
CMS Certification Number490023
Location500 Hospital DriveWarrenton, VA 20186 · Fauquier County
Emergency services Birthing friendly

Novant Prince William Medical Center

Acute Care Hospitals · Manassas, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490045
Location8700 Sudley RdManassas, VA 20110 · Manassas City County
Emergency services Birthing friendly

Uva Health Haymarket Medical Center

Acute Care Hospitals · Haymarket, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490144
Location15225 Healthcote BoulevardHaymarket, VA 20169 · Prince William County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20169 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
$70.08 typical visit price
range $18.07 – $138.91
Typical copayment $17.52 (range $4.51 – $34.72)
Most-billed visit code 99213
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.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

Other Providers at the Same Location NPPES 2

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

JOANNE CHOI
Physician Assistant
15195 HEATHCOTE BLVD STE 240
HAYMARKET, VA 20169
Prince William County (571) 284-3460
ALEXIS R LISKA
Physician Assistant
15195 HEATHCOTE BLVD STE 240
HAYMARKET, VA 20169
Prince William County (888) 824-0200

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 Ian Greenwalt's NPI number?

The NPI number for Ian Greenwalt is 1720405665. It was assigned to this individual provider in the NPPES registry on March 27, 2014.

Where is Ian Greenwalt located?

Ian Greenwalt practices at 15195 Heathcote Blvd Ste 240, Haymarket, VA 20169. The listed phone number is (571) 284-3460.

What is Ian Greenwalt's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Ian Greenwalt enrolled in Medicare?

Yes. Ian Greenwalt 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 Ian Greenwalt affiliated with any hospitals?

According to CMS data, Ian Greenwalt is affiliated with Fauquier Hospital, Novant Prince William Medical Center and Uva Health Haymarket Medical Center.

When was this NPI record last updated?

The NPPES record for Ian Greenwalt was last updated on December 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.