DR. IRINA GABRIELA OHANIAN M.D.
NPI 1154353423
Internal Medicine in Wellesley, MA

Q: What is Irina Ohanian's NPI number?

The NPI number for Irina Ohanian is 1154353423. It was assigned to this individual provider in the NPPES registry on July 7, 2006. The provider is also known as Dr. Irina Gabriela Garbur M.D..

Q: What is Irina Ohanian's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Irina Ohanian was last updated on October 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 July 07, 2006PECOS EnrolledAccepts Medicare Assignment

230 WORCESTER ST, WELLESLEY, MA 02481(781) 431-5220(781) 431-5526 Get Directions Write a Review

NPPES record last updated: October 23, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Irina Gabriela Ohanian M.d. NPPES

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

DR. IRINA GABRIELA OHANIAN M.D. (NPI 1154353423) is an individual internal medicine provider in Wellesley, Massachusetts, licensed in Massachusetts (242473) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1154353423

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. IRINA GABRIELA OHANIANCredential: M.D.

Location Address230 WORCESTER STWellesley, MA 02481-5420

Mailing Address230 Worcester StWellesley, MA 02481-5420 · (781) 431-5220 · Fax (781) 431-5526

Phone(781) 431-5220

Fax(781) 431-5526

Sole ProprietorNo

Medical School CMSOtherGraduated 1996

Enumeration DateJuly 7, 2006

Last NPPES UpdateOctober 23, 2020

NPPES CertifiedOctober 23, 2020

✔ NPI 1154353423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in MA · 242473✔ Licensed in MN · 46451

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

230 WORCESTER ST, Wellesley, MA 02481

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Other Names 1

Former Name (1)Dr. Irina Gabriela Garbur M.d.

Other Identifiers 1

Medicaid0406824MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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. Irina Gabriela Ohanian 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 ID2466432760

PECOS Enrollment IDI20100518000256

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 Reassignment

Medicare enrollment records show Irina Ohanian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wellesley Primary Care Medicine, PC

0.8 mi

General Practice

65 WALNUT ST, SUITE 500
Wellesley, MA 02481

Reassigned Medicare billing, Massachusetts enrollment
18 clinicians in this Medicare group

NPI 1750502795 (781) 431-2345

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 30

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.

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

267 services140 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.

126 services93 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

118 services109 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

107 services77 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.

96 services96 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.

88 services81 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

56 services49 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

55 services50 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

53 services49 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

47 services41 patients

Blood potassium level 84132

A blood potassium level test measures the amount of potassium in your blood. Potassium is a vital mineral for the body, helping nerves and muscles, especially the heart, to function properly. Abnormal levels can cause health issues like irregular heartbeat, muscle weakness, or numbness.

33 services32 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

30 services27 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.

28 services28 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

27 services22 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

27 services27 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.

26 services26 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

25 services23 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

23 services22 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

21 services19 patients

Hepatitis b surface antibody measurement 86706

Hepatitis B surface antibody measurement is a blood test done to check if your body has developed immunity against the Hepatitis B virus. It's typically done after vaccination or to confirm recovery from a past infection. It's a simple, safe procedure.

18 services18 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

17 services16 patients

Blood sodium level 84295

A blood sodium level test measures the amount of sodium, a vital mineral, in your blood. It helps assess your body's water levels and the function of your nerves and muscles. Abnormal levels may indicate conditions like dehydration, kidney disease, or hormonal imbalances.

17 services16 patients

Detection test by immunoassay technique for hepatitis b surface antigen 87340

This test helps identify the presence of hepatitis B in your body. It uses an immunoassay technique, which is a highly sensitive method that detects the hepatitis B surface antigen, a protein on the virus. This test can help diagnose an active infection or determine if you're a carrier.

17 services17 patients

Hepatitis b core antibody measurement 86704

Hepatitis B core antibody measurement is a test conducted to determine if you have been infected with the Hepatitis B virus in the past. It involves taking a blood sample and analyzing it in a lab. This test aids in diagnosing and managing Hepatitis B infections.

15 services15 patients

Bacterial colony count, urine 87086

A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).

15 services13 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

15 services15 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

14 services12 patients

Liver enzyme (sgpt), level 84460

A liver enzyme (SGPT) level test is a blood test that checks the health of your liver. SGPT is an enzyme found in your liver cells. If your liver is damaged or inflamed, SGPT can leak into your bloodstream, raising the enzyme level. This test helps identify liver diseases early.

14 services14 patients

Blood glucose (sugar) level 82947

A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.

12 services12 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

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.

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk County

Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220101

Location2014 Washington StreetNewton, MA 02462 · Middlesex County

Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220110

Location75 Francis StreetBoston, MA 02115 · Suffolk County

Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220119

Location1153 Centre StreetBoston, MA 02130 · Suffolk County

Emergency services

Lahey Hospital & Medical Center, Burlington

Acute Care Hospitals · Burlington, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220171

Location41 & 45 Mall RoadBurlington, MA 01803 · Middlesex County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02481 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

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

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.

Referred Medical Equipment & Supplies CMS DME claims

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

8 suppliers20 claims62 services$5.96 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

JAMES M. DONOVAN PHD

Psychologist

230 WORCESTER ST
WELLESLEY, MA 02481

Norfolk County (781) 431-5270

JEAN D HORST NP

Nurse Practitioner (Pediatrics)

230 WORCESTER ST
WELLESLEY, MA 02481

Norfolk County (781) 431-5200

LINDA ANN RAFTERY NP

Nurse Practitioner (Adult Health)

230 WORCESTER ST
WELLESLEY, MA 02481

Norfolk County (781) 431-5200

SUSAN JO ROBERTS NP

Nurse Practitioner (Adult Health)

230 WORCESTER ST
WELLESLEY, MA 02481

Norfolk County (781) 431-5200

DEBRA A BRADFORD NP

Nurse Practitioner (Adult Health)

230 WORCESTER ST
WELLESLEY, MA 02481

Norfolk County (781) 431-5200

JULIA Y LOGAN M.D.

Obstetrics & Gynecology

230 WORCESTER ST
WELLESLEY, MA 02481

Norfolk County (781) 431-5400

IDA P GORENBURG M.D.

Internal Medicine

230 WORCESTER ST, INTERNAL MEDICINE
WELLESLEY, MA 02481

Norfolk County (781) 431-5220

PHYLLIS BLUHM PA

Physician Assistant (Medical)

230 WORCESTER ST
WELLESLEY, MA 02481

Norfolk County (781) 431-5200

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 Irina Ohanian's NPI number?

The NPI number for Irina Ohanian is 1154353423. It was assigned to this individual provider in the NPPES registry on July 7, 2006. The provider is also known as Dr. Irina Gabriela Garbur M.D..

Where is Irina Ohanian located?

Irina Ohanian practices at 230 Worcester St, Wellesley, MA 02481. The listed phone number is (781) 431-5220.

What is Irina Ohanian's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Irina Ohanian enrolled in Medicare?

Yes. Irina Ohanian 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 organization bills Medicare for Irina Ohanian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Irina Ohanian reassigns Medicare benefits to Wellesley Primary Care Medicine, PC (Wellesley, MA). The 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 Irina Ohanian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Irina Ohanian accept?

Health plans from Anthem Blue Cross and Blue Shield list Irina Ohanian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Irina Ohanian affiliated with any hospitals?

According to CMS data, Irina Ohanian is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital, Faulkner Hospital-Brigham And Women's and Lahey Hospital & Medical Center, Burlington.

When was this NPI record last updated?

The NPPES record for Irina Ohanian was last updated on October 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.