DR. JOHN MATTIMORE JR. M.D.
NPI 1316398738
Anesthesiology in Brighton, MA

Q: What is John Mattimore's NPI number?

The NPI number for John Mattimore is 1316398738. It was assigned to this individual provider in the NPPES registry on June 27, 2016.

Q: What is John Mattimore's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for John Mattimore was last updated on January 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 June 27, 2016PECOS EnrolledAccepts Medicare Assignment

736 CAMBRIDGE ST, BRIGHTON, MA 02135(617) 789-3000 Get Directions Write a Review

NPPES record last updated: January 16, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 16, 2021, Jun 27, 2016 (2 updates tracked since 2016).

On this page

About Dr. John Mattimore Jr. M.d. NPPES

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

DR. JOHN MATTIMORE JR. M.D. (NPI 1316398738) is an individual anesthesiology provider in Brighton, Massachusetts, licensed in Massachusetts (281274) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1316398738

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. JOHN MATTIMORE JR.Credential: M.D.

Location Address736 CAMBRIDGE STBrighton, MA 02135-2907

Mailing Address736 Cambridge StBrighton, MA 02135-2907 · (617) 789-3000

Phone(617) 789-3000

Sole ProprietorNo

Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 2016

Enumeration DateJune 27, 2016

Last NPPES UpdateJanuary 16, 20242 updates tracked since enumeration

NPPES CertifiedJanuary 16, 2024

✔ NPI 1316398738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

Licenses✔ Licensed in MA · 281274✔ Licensed in MA · 268465

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Also ListedInternal MedicineTaxonomy 207R00000X · License 268465 (MA)

736 CAMBRIDGE ST, Brighton, MA 02135

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Secondary Practice Locations 2

Location 141 Mall RdBurlington, MA 01805-2907 · Phone (781) 744-8000

Location 285 Herrick StBeverly, MA 01915-1790 · Phone (978) 816-3700

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. John Mattimore Jr. 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 ID2860743044

PECOS Enrollment IDI20200730003036

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 John Mattimore reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is

2.3 mi

Emergency Medical Services

330 BROOKLINE AVE
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
Also billed through NPI 1255818472 (Massachusetts)
1,006 clinicians in this Medicare group

NPI 1952358533 (617) 754-2320

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

2.3 mi

Anesthesiology

330 BROOKLINE AVE
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
Also billed through NPI 1194765438 (Massachusetts)
332 clinicians in this Medicare group

NPI 1093756629 (617) 667-3101

Bmc Affiliated Physicians, Inc.

3.9 mi

Internal Medicine

1 BOSTON MEDICAL CENTER PLACE
Boston, MA 02118

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

NPI 1245320910 (617) 789-3000

Beth Israel Lahey Health Specialty Care, Inc.

11 mi

Urology

41 MALL RD LAHEY HOSPITAL & MEDICAL CENTER
Burlington, MA 01805

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

NPI 1427161660 (978) 927-0714

Lahey Clinic, Inc.

11 mi

Internal Medicine

41 MALL RD, LAHEY CLINIC
Burlington, MA 01805

Reassigned Medicare billing, Massachusetts enrollment
Also billed through NPI 1063447316 (Massachusetts)
1,574 clinicians in this Medicare group

NPI 1538194980 (781) 744-8000

Lawrence Anesthesia Services, LLC

25 mi

Anesthesiology

1 GENERAL STREET
Lawrence, MA 01842

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

NPI 1467699918 (948) 683-4000

Umass Memorial Medical Group Inc

32 mi

Internal Medicine

55 LAKE AVE N
Worcester, MA 01655

Reassigned Medicare billing, Massachusetts enrollment
2,902 clinicians in this Medicare group

NPI 1760445373 (508) 334-1000

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.

Anesthesia for procedure for total knee joint replacement 01402

Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.

62 services62 patients

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

48 services46 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

43 services43 patients

Anesthesia for total hip replacement 01214

Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.

35 services35 patients

Anesthesia for other procedure on upper abdomen 00790

Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.

26 services26 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

26 services26 patients

Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447

This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.

24 services24 patients

Anesthesia for x-ray or radiation therapy 01922

Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.

21 services21 patients

Emergent insertion of breathing tube into windpipe using an endoscope 31500

This is a procedure where a thin tube is inserted into your windpipe to aid in breathing. It's done in emergency situations, using an endoscope, a tool with a light and camera, to ensure correct placement.

20 services20 patients

Anesthesia for extensive surgery on spine 00670

Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.

17 services17 patients

Anesthesia for procedure on small and large bowel using an endoscope 00813

Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.

15 services15 patients

Anesthesia for other procedure on urinary system through urethra 00910

Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220086

Location330 Brookline AvenueBoston, MA 02215 · Suffolk County

Emergency services Birthing friendly

New England Baptist Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220088

Location125 Parker Hill AvenueBoston, MA 02120 · Suffolk County

Milford Regional Medical Center

Acute Care Hospitals · Milford, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220090

Location14 Prospect StreetMilford, MA 01757 · Worcester County

Emergency services Birthing friendly

Good Samaritan Medical Center

Acute Care Hospitals · Brockton, MA

2/5 CMS rating

OwnershipProprietary

CMS Certification Number220111

Location235 North Pearl StreetBrockton, MA 02301 · Plymouth County

Emergency services Birthing friendly

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220163

Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County

Emergency services Birthing friendly

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.

SOOWHAN LAH M.D.

Internal Medicine

736 CAMBRIDGE ST, INTERNAL MEDICINE RESIDENCY PROGRAM - MAILBOX #13
BOSTON, MA 02135

Suffolk County (503) 886-9722

DR. MAHENDRA CARPEN MD

Internal Medicine (Cardiovascular Disease)

736 CAMBRIDGE ST, DEPT. OF CARDIOLOGY
BRIGHTON, MA 02135

Suffolk County (617) 789-5151

MONIKA BATRA

Psychiatry & Neurology (Psychiatry)

736 CAMBRIDGE ST
BRIGHTON, MA 02135

Suffolk County (617) 789-3000

RONYA OZTURK

Student in an Organized Health Care Education/Training Program

736 CAMBRIDGE ST
BOSTON, MA 02135

Suffolk County (617) 789-3000

ALEXANDER H HU MD

Student in an Organized Health Care Education/Training Program

736 CAMBRIDGE ST
BRIGHTON, MA 02135

Suffolk County (617) 789-3000

DR. ANAS AHMED SAMBAWAH M.D

Student in an Organized Health Care Education/Training Program

736 CAMBRIDGE ST
BRIGHTON, MA 02135

Suffolk County (617) 789-2990

ORFEAS LIANGOS M.D.

Internal Medicine (Nephrology)

736 CAMBRIDGE ST, ST ELIZABETHS MED CTR
BOSTON, MA 02135

Suffolk County (617) 789-3100

LORI H ADCOCK M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

736 CAMBRIDGE ST
BRIGHTON, MA 02135

Suffolk County (617) 789-2740

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 John Mattimore's NPI number?

The NPI number for John Mattimore is 1316398738. It was assigned to this individual provider in the NPPES registry on June 27, 2016.

Where is John Mattimore located?

John Mattimore practices at 736 Cambridge St, Brighton, MA 02135. The listed phone number is (617) 789-3000.

What is John Mattimore's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is John Mattimore enrolled in Medicare?

Yes. John Mattimore 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 John Mattimore's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Mattimore reassigns Medicare benefits to 7 organizations: Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Bmc Affiliated Physicians, Inc. (Boston, MA), Beth Israel Lahey Health Specialty Care, Inc. (Burlington, MA), Lahey Clinic, Inc. (Burlington, MA) and 2 more organizations, 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 John Mattimore's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is John Mattimore affiliated with any hospitals?

According to CMS data, John Mattimore is affiliated with Beth Israel Deaconess Medical Center, New England Baptist Hospital, Milford Regional Medical Center, Good Samaritan Medical Center and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for John Mattimore was last updated on January 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.