DR. CHRISTOPHER KAREORES D.O.
NPI 1295795433
Emergency Medicine - Undersea and Hyperbaric Medicine in Winchester, MA

Q: What is Christopher Kareores's NPI number?

The NPI number for Christopher Kareores is 1295795433. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Q: What is Christopher Kareores's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 207PE0005X.

Active since March 23, 2006PECOS EnrolledAccepts Medicare Assignment

84.85/100

CMS Quality Rating

41 HIGHLAND AVE, WINCHESTER, MA 01890(781) 756-7095 Get Directions Write a Review

NPPES record last updated: April 3, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Christopher Kareores D.o. NPPES

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

DR. CHRISTOPHER KAREORES D.O. (NPI 1295795433) is an individual undersea and hyperbaric medicine provider in Winchester, Massachusetts, licensed in Massachusetts (80243) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and is a graduate of University Of New England, College Of Osteo Medicine (1993).

NPPES Registry Identity

NPI1295795433

Entity TypeIndividualMale

Primary Taxonomy207PE0005X

Provider Legal NameDR. CHRISTOPHER KAREORESCredential: D.O.

Location Address41 HIGHLAND AVEWinchester, MA 01890-1446

Mailing Address41 Highland AveWinchester, MA 01890-1446 · (781) 756-7095

Phone(781) 756-7095

Sole ProprietorNo

Medical School CMSUniversity Of New England, College Of Osteo MedicineGraduated 1993

Enumeration DateMarch 23, 2006

Last NPPES UpdateApril 3, 2018

✔ NPI 1295795433 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency Medicine · Undersea and Hyperbaric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207PE0005X

License✔ Licensed in MA · 80243

Definition

A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns, and bone infections. This specialist also serves as a consultant to other physicians in all aspects of hyperbaric chamber operations, and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.

Also ListedInternal MedicineTaxonomy 207R00000X · License 80243 (MA)

41 HIGHLAND AVE, Winchester, MA 01890

Open in Google Maps ↗

Other Identifiers 2

OtherJ24577MA · Blue Shield

Medicaid110006200AMA

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. Christopher Kareores 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 ID7719075837

PECOS Enrollment IDI20071126000532

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 Reassignments

Medicare enrollment records show Christopher Kareores reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Winchester Hospital Inpatient Specialists PLLC

Same address

Internal Medicine

41 HIGHLAND AVE
Winchester, MA 01890

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

NPI 1093125684 (781) 729-9000

Winchester Lahey Inpatient Specialists PLLC

Same address

Internal Medicine

41 HIGHLAND AVE
Winchester, MA 01890

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

NPI 1144770629 (781) 729-9000

Lahey Clinic, Inc.

4.7 mi

Internal Medicine

41 MALL RD, LAHEY CLINIC
Burlington, MA 01805

Reassigned Medicare billing, Massachusetts enrollment
1,574 clinicians in this Medicare group

NPI 1538194980 (781) 744-8000

Merrimack Valley Emergency Associates, Inc.

17 mi

Emergency Medicine

295 VARNUM AVE
Lowell, MA 01854

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

NPI 1821280959 (978) 937-6161

Circle Health Urgent Care, LLC

17 mi

Urgent Care

198 LITTLETON RD
Westford, MA 01886

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

NPI 1710392683 (978) 323-0302

Steward Emergency Physicians, Inc

24 mi

Emergency Medicine

200 GROTON RD
Ayer, MA 01432

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

NPI 1780971275 (978) 784-9000

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 12

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 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.

177 services172 patients

Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b 87636

This test detects the presence of SARS-CoV-2 (COVID-19) and Influenza types A and B in your body. It uses a method called the multiplex amplified probe technique to amplify and identify specific virus genes. It helps in early diagnosis and appropriate treatment.

108 services108 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.

92 services91 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.

81 services81 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.

70 services69 patients

Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique 87651

This test detects Group A Streptococcus bacteria in your body. It uses an amplified probe technique, which amplifies the bacteria's nucleic acid, making it easier to identify. This test helps diagnose conditions like strep throat or scarlet fever.

42 services42 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

41 services41 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

37 services37 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.

37 services37 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.

28 services28 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.

18 services18 patients

Removal of impacted ear wax by washing 69209

Impacted ear wax removal by washing, also known as ear irrigation, involves using a pressurized flow of water to break up and dislodge the ear wax. This safe procedure helps restore normal hearing and relieve discomfort caused by the blockage.

14 services14 patients

Hospital Affiliations CMS Care Compare

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

Lowell General Hospital

Acute Care Hospitals · Lowell, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220063

Location295 Varnum AvenueLowell, MA 01854 · Middlesex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01890 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

$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.

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.

84.85/100

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

Scored as part of a group practice

Quality

77.42

Promoting Interoperability

100

Improvement Activities

Cost

63.29

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.

MS. CHIRIN AL DALATI M.D.

Internal Medicine

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 729-9000

WINCHESTER PHYSICIAN ASSOCIATES

Internal Medicine

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 756-7273

WINCHESTER LABORATORY ASSOCIATES, INC.

Pathology (Anatomic Pathology & Clinical Pathology)

41 HIGHLAND AVE, WINCHESTER HOSPITAL
WINCHESTER, MA 01890

Middlesex County (781) 756-2319

AIMEE CALISTA KNORR MD

Pediatrics (Neonatal-Perinatal Medicine)

41 HIGHLAND AVE, WINCHESTER HOSPITAL
WINCHESTER, MA 01890

Middlesex County (781) 756-2240

DR. MOHAMED MAHMOUD MD

Internal Medicine

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 756-7095

JOHN E COPANOS M.D.

Internal Medicine

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 756-7095

DR. VIVIANA REYES PINZON MD

Internal Medicine (Pulmonary Disease)

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 756-2260

DR. ERIC EBERT MD

Emergency Medicine

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 729-9000

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 Christopher Kareores's NPI number?

The NPI number for Christopher Kareores is 1295795433. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Christopher Kareores located?

Christopher Kareores practices at 41 Highland Ave, Winchester, MA 01890. The listed phone number is (781) 756-7095.

What is Christopher Kareores's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 207PE0005X.

Is Christopher Kareores enrolled in Medicare?

Yes. Christopher Kareores 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 organizations bill Medicare for Christopher Kareores's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Kareores reassigns Medicare benefits to 6 organizations: Winchester Hospital Inpatient Specialists PLLC (Winchester, MA), Winchester Lahey Inpatient Specialists PLLC (Winchester, MA), Lahey Clinic, Inc. (Burlington, MA), Merrimack Valley Emergency Associates, Inc. (Lowell, MA), Circle Health Urgent Care, LLC (Westford, MA) and 1 more organization, listed in the Medicare section above. Each 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 Christopher Kareores's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Christopher Kareores affiliated with any hospitals?

According to CMS data, Christopher Kareores is affiliated with Lowell General Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Kareores was last updated on April 3, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.