Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JAMES E UDELSON M.D.
NPI 1164469813
Internal Medicine - Cardiovascular Disease in Boston, MA

Active since June 01, 2006PECOS Enrolled
750 WASHINGTON ST, NEW ENGLAND MEDICAL CTR, BOSTON, MA 02111(617) 636-8066 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About James E Udelson M.d. NPPES

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

JAMES E UDELSON M.D. (NPI 1164469813) is an individual cardiovascular disease provider in Boston, Massachusetts, licensed in Massachusetts (51223) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Tufts Medical Center, and is a graduate of New York Medical College (1981).

NPPES Registry Identity

NPI1164469813
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameJAMES E UDELSONCredential: M.D.
Location Address750 WASHINGTON ST, NEW ENGLAND MEDICAL CTRBoston, MA 02111-1526
Mailing Address750 Washington St, New England Med Ctr/cardiologyBoston, MA 02111-1526 · (617) 636-8066
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 1981
Enumeration DateJune 1, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1164469813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in MA · 51223
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

750 WASHINGTON ST, Boston, MA 02111

Accepted 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

James E Udelson 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 ID3274589221
PECOS Enrollment IDI20050323000799
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 11

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
145 services121 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018
An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.
108 services108 patients
Nuclear medicine studies of heart muscle at rest and with stress and spect 78452
Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.
107 services107 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.
66 services64 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.
59 services57 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
55 services26 patients

Hospital Affiliations CMS Care Compare

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

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 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.

Dietitian, Registered
750 WASHINGTON ST, TNEMC BOX#434
BOSTON, MA 02111
Nurse Anesthetist, Certified Registered
750 WASHINGTON ST, NEMC BOX #7105
BOSTON, MA 02111
Pharmacist (Psychiatric)
750 WASHINGTON ST, THE HEALTH INSTITUTE, BOX 345
BOSTON, MA 02111
Dietitian, Registered
750 WASHINGTON ST, FRANCES STERN NUTRITION CENTER
BOSTON, MA 02111
Emergency Medicine
750 WASHINGTON ST, BOX 311 / DEPARTMENT OF EMERGENCY MEDICINE
BOSTON, MA 02111
Internal Medicine (Interventional Cardiology)
750 WASHINGTON ST
BOSTON, MA 02111
Pediatrics (Pediatric Pulmonology)
750 WASHINGTON ST, NEMC BOX #836
BOSTON, MA 02111
Obstetrics & Gynecology
750 WASHINGTON ST, NEMC BOX #836
BOSTON, MA 02111

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 James Udelson's NPI number?

The NPI number for James Udelson is 1164469813. It was assigned to this individual provider in the NPPES registry on June 1, 2006.

Where is James Udelson located?

James Udelson practices at 750 Washington St New England Medical Ctr, Boston, MA 02111. The listed phone number is (617) 636-8066.

What is James Udelson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is James Udelson enrolled in Medicare?

Yes. James Udelson 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 James Udelson accept?

Health plans from Anthem Blue Cross and Blue Shield list James Udelson 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 James Udelson affiliated with any hospitals?

According to CMS data, James Udelson is affiliated with Tufts Medical Center.

When was this NPI record last updated?

The NPPES record for James Udelson was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.