1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Internal Medicine
  6. NPI Profile

DR. LEE-SHING CHANG M.D.
NPI 1033473624
Internal Medicine - Endocrinology, Diabetes & Metabolism in Boston, MA

Active since June 27, 2012PECOS EnrolledAccepts Medicare Assignment
221 LONGWOOD AVENUE, RFB-2, BWH,ENDOCRINOLOGY, DIABETES AND HYPERTENSION, BOSTON, MA 02115(617) 732-5666(617) 525-0436 Get Directions Write a Review

NPPES record last updated: September 24, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 24, 2020, Sep 28, 2018, Mar 3, 2017 (3 updates tracked since 2017).

About Dr. Lee-shing Chang M.d. NPPES

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

DR. LEE-SHING CHANG M.D. (NPI 1033473624) is an individual endocrinology, diabetes & metabolism provider in Boston, Massachusetts, licensed in Massachusetts (275275) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Northwestern University Feinberg Medical School (2012).

NPPES Registry Identity

NPI1033473624
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. LEE-SHING CHANGCredential: M.D.
Location Address221 LONGWOOD AVENUE, RFB-2, BWH,ENDOCRINOLOGY, DIABETES AND HYPERTENSIONBoston, MA 02115
Mailing Address221 Longwood Avenue, Rfb-2, Bwh,endocrinology, Diabetes And HypertensionBoston, MA 02115 · (617) 732-5666 · Fax (617) 525-0436
Phone(617) 732-5666
Fax(617) 525-0436
Sole ProprietorYes
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2012
Enumeration DateJune 27, 2012
Last NPPES UpdateSeptember 24, 20203 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2020
✔ NPI 1033473624 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses✔ Licensed in MA · 275275✔ Licensed in MA · 263128
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
221 LONGWOOD AVENUE, RFB-2, Boston, MA 02115
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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. Lee-shing Chang 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 ID8022300706
PECOS Enrollment IDI20181015002820
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 7

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 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.
228 services187 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
48 services38 patients
Blood glucose (sugar) test performed by hand-held instrument 82962
A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.
47 services44 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.
36 services33 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
29 services12 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
17 services11 patients

Hospital Affiliations CMS Care Compare 4

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

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

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
26 suppliers58 claims197 services$5.75 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
14 suppliers27 claims42 services$1.05 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
9 suppliers113 claims113 services$182.55 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

DR. SYLVIA KEHLENBRINK OH M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
221 LONGWOOD AVENUE, RFB-2, BWH, ENDOCRINOLOGY, DIABETES AND HYPERTENSION
BOSTON, MA 02115
Suffolk County (617) 732-5661

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 Lee-shing Chang's NPI number?

The NPI number for Lee-shing Chang is 1033473624. It was assigned to this individual provider in the NPPES registry on June 27, 2012.

Where is Lee-shing Chang located?

Lee-shing Chang practices at 221 Longwood Avenue, Rfb-2 Bwh,endocrinology, Diabetes And Hypertension, Boston, MA 02115. The listed phone number is (617) 732-5666.

What is Lee-shing Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Lee-shing Chang enrolled in Medicare?

Yes. Lee-shing Chang 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 Lee-shing Chang accept?

Health plans from Anthem Blue Cross and Blue Shield list Lee-shing Chang 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 Lee-shing Chang affiliated with any hospitals?

According to CMS data, Lee-shing Chang is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Lee-shing Chang was last updated on September 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.