Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. REBECCA ANN FLORES D.O.
NPI 1215138227
Radiology - Diagnostic Radiology in Boston, MA

Q: What is Rebecca Flores's NPI number?

The NPI number for Rebecca Flores is 1215138227. It was assigned to this individual provider in the NPPES registry on May 29, 2007. The provider is also known as Dr. Rebecca Ann Kessler Do.

Q: What is Rebecca Flores's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Rebecca Flores was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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 May 29, 2007PECOS Enrolled

840 HARRISON AVE, BOSTON, MA 02118(617) 638-6610(617) 638-6616 Get Directions Write a Review

NPPES record last updated: September 21, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 21, 2026, Jan 8, 2026, Feb 22, 2021 and 1 more (4 updates tracked since 2016).

On this page

About Dr. Rebecca Ann Flores D.o. NPPES

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

DR. REBECCA ANN FLORES D.O. (NPI 1215138227) is an individual diagnostic radiology provider in Boston, Massachusetts, licensed in Texas (P4866) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with University Health System, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1215138227

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameDR. REBECCA ANN FLORESCredential: D.O.

Location Address840 HARRISON AVEBoston, MA 02118

Mailing Address960 Massachusetts Ave, Fl 2Boston, MA 02118

Phone(617) 638-6610

Fax(617) 638-6616

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateMay 29, 2007

Last NPPES UpdateSeptember 21, 20264 updates tracked since enumeration

NPPES CertifiedSeptember 21, 2026

✔ NPI 1215138227 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in TX · P4866✔ Licensed in MA · 257707

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

840 HARRISON AVE, Boston, MA 02118

Open in Google Maps ↗

Other Names 1

Former Name (1)Dr. Rebecca Ann Kessler Do

Secondary Practice Locations 4

Location 110 Gove StEast Boston, MA 02128 · Phone (617) 569-5800

Location 2736 Cambridge StBrighton, MA 02135 · Phone (617) 789-2762

Location 37703 Floyd Curl DrSan Antonio, TX 78229-3900 · Phone (210) 542-3796

Location 4235 North Pearl StreetBrockton, MA 02301 · Phone (508) 427-2665 · Fax (508) 427-2368

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Molina Healthcare.Insurance ›

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. Rebecca Ann Flores D.o. 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 ID648400325

PECOS Enrollment IDI20140225000419

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 20

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, gadobutrol, 0.1 ml A9585

Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.

1,225 services14 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

43 services43 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

43 services33 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

40 services30 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

34 services27 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

25 services25 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

24 services24 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

23 services22 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

22 services22 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

19 services13 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

17 services17 patients

X-ray of entire middle and lower spine, 2-3 views 72082

An X-ray of your middle and lower spine involves capturing images of these areas to identify any abnormalities. The procedure involves taking 2-3 different views for a comprehensive understanding. It's non-invasive and usually painless, helping doctors diagnose conditions like fractures or infections.

16 services16 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

16 services11 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

15 services14 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

15 services15 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

15 services15 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

14 services14 patients

Ultrasound scan of transplanted kidney 76776

An ultrasound scan of a transplanted kidney is a non-invasive imaging procedure. It uses sound waves to produce images of your kidney, helping to monitor its health and function. This test helps detect any potential issues early, ensuring the kidney is working properly.

14 services14 patients

Complete ultrasound of abdomen and pelvis artery and vein blood flow 93975

This procedure uses sound waves to create images of your abdomen and pelvis, specifically focusing on the arteries and veins. It helps in assessing the blood flow and detecting any abnormalities, ensuring your overall well-being.

14 services14 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

University Health System

Acute Care Hospitals · San Antonio, TX

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450213

Location4502 Medical DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

Established Patient

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

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.

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

100%30 patients

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 20

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

ALEXANDER R. OLIVER PA-C

Physician Assistant

840 HARRISON AVE, MENINO BUILDING
BOSTON, MA 02118

Suffolk County (617) 638-8609

DAVIDA MARTI SCHIFF I M.D.

Pediatrics

840 HARRISON AVE, MENINO 1
BOSTON, MA 02118

Suffolk County (617) 414-4511

MYOUNG JIN KIM MD

Radiology (Vascular & Interventional Radiology)

840 HARRISON AVE
BOSTON, MA 02118

Suffolk County (617) 638-6610

DR. SABRINA QUI RONG LIEW MD

Student in an Organized Health Care Education/Training Program

840 HARRISON AVE
BOSTON, MA 02118

Suffolk County (617) 638-8000

ILSE CASTRO-ARAGON M.D.

Radiology (Diagnostic Radiology)

840 HARRISON AVE
BOSTON, MA 02118

Suffolk County (617) 638-6610

DR. ASHLEY DAVIDOFF MB, BCH

Radiology (Diagnostic Radiology)

840 HARRISON AVE
BOSTON, MA 02118

Suffolk County (617) 638-6610

DARLENE M KAMEL NP

Nurse Practitioner (Acute Care)

840 HARRISON AVE, MENINO BUILDING
BOSTON, MA 02118

Suffolk County (617) 638-8609

CHRISTINA A LEBEDIS MD

Radiology (Diagnostic Radiology)

840 HARRISON AVE
BOSTON, MA 02118

Suffolk County (617) 638-6610

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 Rebecca Flores's NPI number?

The NPI number for Rebecca Flores is 1215138227. It was assigned to this individual provider in the NPPES registry on May 29, 2007. The provider is also known as Dr. Rebecca Ann Kessler Do.

Where is Rebecca Flores located?

Rebecca Flores practices at 840 Harrison Ave, Boston, MA 02118. The listed phone number is (617) 638-6610.

What is Rebecca Flores's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Rebecca Flores enrolled in Medicare?

Yes. Rebecca Flores 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.

What insurance does Rebecca Flores accept?

Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and Molina Healthcare list Rebecca Flores 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 Rebecca Flores affiliated with any hospitals?

According to CMS data, Rebecca Flores is affiliated with University Health System.

When was this NPI record last updated?

The NPPES record for Rebecca Flores was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.