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

ELIZABETH ANNE KITTREDGE
NPI 1740885656
Nurse Anesthetist, Certified Registered in Cambridge, MA

Active since December 01, 2020PECOS EnrolledAccepts Medicare Assignment
1493 CAMBRIDGE ST, CAMBRIDGE, MA 02139(617) 665-1000 Get Directions Write a Review

NPPES record last updated: October 14, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 14, 2026, May 6, 2021, Dec 1, 2020 (3 updates tracked since 2020).

About Elizabeth Anne Kittredge NPPES

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

ELIZABETH ANNE KITTREDGE (NPI 1740885656) is an individual nurse anesthetist, certified registered in Cambridge, Massachusetts, licensed in Massachusetts (RN2274647) and active in the NPI registry since December 2020. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1740885656
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameELIZABETH ANNE KITTREDGE
Location Address1493 CAMBRIDGE STCambridge, MA 02139-1099
Mailing Address690 Canton St Ste 240Westwood, MA 02090-2326 · (339) 204-9516 · Fax (617) 754-8791
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateDecember 1, 2020
Last NPPES UpdateOctober 14, 20263 updates tracked since enumeration
NPPES CertifiedOctober 14, 2026
✔ NPI 1740885656 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in MA · RN2274647
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedRegistered NurseTaxonomy 163W00000X · License 2274647 (MA)
1493 CAMBRIDGE ST, Cambridge, MA 02139

Secondary Practice Locations 3

Location 1736 Cambridge StBrighton, MA 02135 · Phone (617) 789-3000
Location 2690 Canton St Ste 240Westwood, MA 02090-2326 · Phone (617) 667-3110 · Fax (617) 667-5013
Location 3125 Parker Hill Ave Ste 2Boston, MA 02120-2865 · Phone (617) 754-5000

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

Elizabeth Anne Kittredge 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 ID7214343847
PECOS Enrollment IDI20210305002145
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

6

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

Ophthalmology
243 CHARLES ST
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 478 clinicians in this Medicare group
Emergency Medical Services
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1245773308 (Massachusetts)
  • 1,006 clinicians in this Medicare group
Anesthesiology
41 HIGHLAND AVE
Winchester, MA 01890
  • Reassigned Medicare billing, Massachusetts enrollment
  • 88 clinicians in this Medicare group
Pain Medicine
41 HIGHLAND AVE
Winchester, MA 01890
  • Reassigned Medicare billing, Massachusetts enrollment
  • 105 clinicians in this Medicare group
Anesthesiology
1 GENERAL STREET
Lawrence, MA 01842
  • Reassigned Medicare billing, Massachusetts enrollment
  • 231 clinicians in this Medicare group
Internal Medicine
30 TUSCAN BOULEVARD
Salem, NH 03079
  • Reassigned Medicare billing, Massachusetts enrollment
  • 181 clinicians in this Medicare group

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 4

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 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.
27 services27 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.
16 services15 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
13 services13 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.
12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220002
Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

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

Massachusetts Eye And Ear Infirmary -

Acute Care Hospitals · Boston, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number220075
Location243 Charles StreetBoston, MA 02114 · Suffolk County
Emergency services

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02139 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
$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.

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.

Speech-Language Pathologist
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Emergency Medicine
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Social Worker (Clinical)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Registered Nurse
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Registered Nurse
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Social Worker (Clinical)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Registered Nurse (Ambulatory Care)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Registered Nurse (Neonatal, Low-Risk)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139

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 Elizabeth Kittredge's NPI number?

The NPI number for Elizabeth Kittredge is 1740885656. It was assigned to this individual provider in the NPPES registry on December 1, 2020.

Where is Elizabeth Kittredge located?

Elizabeth Kittredge practices at 1493 Cambridge St, Cambridge, MA 02139. The listed phone number is (617) 665-1000.

What is Elizabeth Kittredge's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Elizabeth Kittredge enrolled in Medicare?

Yes. Elizabeth Kittredge 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 Elizabeth Kittredge's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Kittredge reassigns Medicare benefits to 6 organizations: Massachusetts Eye And Ear Associates, Inc. (Boston, MA), Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Winchester Anesthesia Associates 2 Inc (Winchester, MA), Winchester Anesthesia Associates, Inc (Winchester, MA), Lawrence Anesthesia Services, LLC (Lawrence, 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 Elizabeth Kittredge's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Elizabeth Kittredge affiliated with any hospitals?

According to CMS data, Elizabeth Kittredge is affiliated with Mount Auburn Hospital, North Shore Medical Center -, Massachusetts General Hospital, Massachusetts Eye And Ear Infirmary - and New England Baptist Hospital.

When was this NPI record last updated?

The NPPES record for Elizabeth Kittredge was last updated on October 14, 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.