ZACHARY A. GREGG M.D.
NPI 1285836312
Colon & Rectal Surgery in Charlottesville, VA

Q: What is Zachary Gregg's NPI number?

The NPI number for Zachary Gregg is 1285836312. It was assigned to this individual provider in the NPPES registry on June 1, 2007.

Q: What is Zachary Gregg's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Q: When was this NPI record last updated?

The NPPES record for Zachary Gregg was last updated on July 3, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 01, 2007PECOS EnrolledAccepts Medicare Assignment

95.11/100

CMS Quality Rating

500 MARTHA JEFFERSON DR FL 5, CHARLOTTESVILLE, VA 22911(434) 654-5260(434) 654-5261 Get Directions Write a Review

NPPES record last updated: July 3, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 3, 2018, Feb 14, 2017, Jul 12, 2016 (3 updates tracked since 2016).

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About Zachary A. Gregg M.d. NPPES

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

ZACHARY A. GREGG M.D. (NPI 1285836312) is an individual colon & rectal surgery provider in Charlottesville, Virginia, licensed in Virginia (0101258691) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Sentara Rmh Medical Center, and is a graduate of Rutgers New Jersey Medical School (2007).

NPPES Registry Identity

NPI1285836312

Entity TypeIndividualMale

Primary Taxonomy208C00000X

Provider Legal NameZACHARY A. GREGGCredential: M.D.

Location Address500 MARTHA JEFFERSON DR FL 5Charlottesville, VA 22911

Mailing AddressPo Box 79777Baltimore, MD 21279-0777 · (434) 654-7794 · Fax (434) 654-5261

Phone(434) 654-5260

Fax(434) 654-5261

Sole ProprietorNo

Medical School CMSRutgers New Jersey Medical SchoolGraduated 2007

Enumeration DateJune 1, 2007

Last NPPES UpdateJuly 3, 20183 updates tracked since enumeration

✔ NPI 1285836312 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208C00000X

License✔ Licensed in VA · 0101258691

Definition

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

500 MARTHA JEFFERSON DR FL 5, Charlottesville, VA 22911

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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

Zachary A. Gregg 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 ID2668787961

PECOS Enrollment IDI20150817000010

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 11

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.

111 services81 patients

Diagnostic exam of anus using an endoscope 46600

This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.

72 services63 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

59 services58 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

44 services22 patients

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.

30 services27 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

25 services25 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.

19 services19 patients

Removal of external hemorrhoids by rubber banding 46221

Rubber band ligation is a procedure used to treat external hemorrhoids. A doctor places small rubber bands around the base of the hemorrhoids. This cuts off blood supply, causing them to shrink and fall off, typically within a week.

16 services11 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.

12 services12 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

12 services11 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Sentara Rmh Medical Center

Acute Care Hospitals · Harrisonburg, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490004

Location2010 Health Campus DriveHarrisonburg, VA 22801 · Harrisonburg City County

Emergency services Birthing friendly

University Of Virginia Medical Center

Acute Care Hospitals · Charlottesville, VA

4/5 CMS rating

OwnershipGovernment - State

CMS Certification Number490009

Location1215 Lee StreetCharlottesville, VA 22908 · Charlottesville City County

Emergency services Birthing friendly

Sentara Martha Jefferson Hospital

Acute Care Hospitals · Charlottesville, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490077

Location500 Martha Jefferson DriveCharlottesville, VA 22911 · Albemarle County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22911 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.

95.11/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

86.31

Promoting Interoperability

100

Improvement Activities

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Other Providers at the Same Location NPPES 17

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

CHRISTOPHER D WILLMS M D

Thoracic Surgery (Cardiothoracic Vascular Surgery)