DR. TINATIN KHIZANISHVILI O'CONNELL M.D.
NPI 1720253503
Internal Medicine - Gastroenterology in Manassas, VA

Q: What is Tinatin O'connell's NPI number?

The NPI number for Tinatin O'connell is 1720253503. It was assigned to this individual provider in the NPPES registry on April 23, 2008.

Q: What is Tinatin O'connell's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Tinatin O'connell was last updated on February 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since April 23, 2008PECOS EnrolledAccepts Medicare Assignment

73.68/100

CMS Quality Rating

8640 SUDLEY RD STE 201, MANASSAS, VA 20110(703) 368-6819(703) 330-2923 Get Directions Write a Review

NPPES record last updated: February 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 5, 2025, Feb 28, 2025, Feb 21, 2018 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Tinatin Khizanishvili O'connell M.d. NPPES

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

DR. TINATIN KHIZANISHVILI O'CONNELL M.D. (NPI 1720253503) is an individual gastroenterology provider in Manassas, Virginia, licensed in Virginia (0101251722) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, is affiliated with Novant Health Uva Health System Culpeper Med Cente, and is a graduate of Virginia Commonwealth University, School Of Medicine (2006).

NPPES Registry Identity

NPI1720253503

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameDR. TINATIN KHIZANISHVILI O'CONNELLCredential: M.D.

Location Address8640 SUDLEY RD STE 201Manassas, VA 20110-4404

Mailing AddressPo Box 381468Germantown, TN 38183-1468

Phone(703) 368-6819

Fax(703) 330-2923

Sole ProprietorNo

Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2006

Enumeration DateApril 23, 2008

Last NPPES UpdateFebruary 13, 20264 updates tracked since enumeration

NPPES CertifiedFebruary 13, 2026

✔ NPI 1720253503 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in VA · 0101251722

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

8640 SUDLEY RD STE 201, Manassas, VA 20110

Open in Google Maps ↗

Other Identifiers 1

Medicaid1720253503VA

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. Tinatin Khizanishvili O'connell 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 ID3971766353

PECOS Enrollment IDI20120522001182

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 13

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.

Injection, vedolizumab, intravenous, 1 mg J3380

Vedolizumab is a medication given via injection. It's used to treat certain bowel conditions (such as Crohn's disease, ulcerative colitis) by reducing inflammation. It works by blocking a certain protein that causes this inflammation.

6,600 services13 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

140 services136 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

76 services70 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

43 services42 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.

43 services39 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.

25 services25 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.

25 services21 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

22 services13 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

20 services16 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.

17 services12 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

17 services17 patients

Dilation of esophagus 43450

Dilation of the esophagus is a procedure aimed to stretch or open up your esophagus (the tube connecting your mouth to your stomach) when it's narrow. It helps to improve swallowing and alleviate discomfort. It's typically performed using a flexible tube or balloon, under sedation.

15 services15 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Novant Health Uva Health System Culpeper Med Cente

Acute Care Hospitals · Culpeper, VA

1/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number490019

Location501 Sunset LaneCulpeper, VA 22701 · Culpeper County

Emergency services Birthing friendly

Sentara Obici Hospital

Acute Care Hospitals · Suffolk, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number490044

Location2800 Godwin BoulevardSuffolk, VA 23439 · Suffolk City 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

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

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 20110 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

$129.04 typical visit price

range $56.19 – $170.30

Typical copayment $32.26 (range $14.04 – $42.57)

Most-billed visit code 99204

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.

73.68/100

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

Scored as part of a group practice

Quality

67.92

Promoting Interoperability

100

Improvement Activities

Cost

44.36

Reported Quality Measures

Colorectal Cancer Screening

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

88%380 patients5/55-star benchmark: 85%

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.

96%788 patients4/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

93%761 patients4/55-star benchmark: 100%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

4%24 patients1/55-star benchmark: 96%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

99%555 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

22%1,084 patients1/55-star benchmark: 99%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

94%1,435 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

28%1,435 patients2/55-star benchmark: 59%

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+: 0% · 246 patients

0%246 patients5/55-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.

Other Providers at the Same Location NPPES 16

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

JACQUELINE RAMIREZ PA-C

Physician Assistant