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

TAMMY TING HSHIEH M.D.
NPI 1477780443
Internal Medicine in Boston, MA

Active since June 17, 2009PECOS EnrolledAccepts Medicare Assignment
330 BROOKLINE AVE, DEACONESS 307, BOSTON, MA 02215(617) 632-8266 Get Directions Write a Review

NPPES record last updated: June 17, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Tammy Ting Hshieh M.d. NPPES

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

TAMMY TING HSHIEH M.D. (NPI 1477780443) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (241538) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Warren Alpert Medical School Of Brown University (2009).

NPPES Registry Identity

NPI1477780443
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameTAMMY TING HSHIEHCredential: M.D.
Location Address330 BROOKLINE AVE, DEACONESS 307Boston, MA 02215-5400
Mailing Address70 Francis AveCambridge, MA 02138-1967
Phone(617) 632-8266
Sole ProprietorNo
Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 2009
Enumeration DateJune 17, 2009
✔ NPI 1477780443 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 241538
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
330 BROOKLINE AVE, Boston, MA 02215
Open in Google Maps ↗

Other Identifiers 1

Other241538MA · Massachusetts License Number

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

Tammy Ting Hshieh 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 ID4284875329
PECOS Enrollment IDI20130801000106
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

3

Medicare enrollment records show Tammy Hshieh reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
Same address
Internal Medicine
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,579 clinicians in this Medicare group
NPI 1194765438 (617) 754-9600
Dana-Farber Cancer Institute, Inc.
0.2 mi
General Acute Care Hospital
450 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1346433257 (Massachusetts)
  • 1,026 clinicians in this Medicare group
NPI 1851333686 (617) 632-3000
Brigham & Womens Physicians Organization Inc
0.3 mi
Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
NPI 1033535497 (617) 732-5500

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 6

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.
283 services104 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
101 services98 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.
88 services74 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
56 services20 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
51 services51 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.
34 services19 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

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

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 02215 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.

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.

BETH ISRAEL DEACONESS MEDICAL CENTER
Chronic Disease Hospital (Children)
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 677-4042
DR. BRIAN DANIEL HOBBS MD, MMSC
Internal Medicine
330 BROOKLINE AVE, PULMONARY AND CRITICAL CARE DEPARTMENT
BOSTON, MA 02215
Suffolk County (617) 667-5864
ERICA DOMMASCH MD
Dermatology
330 BROOKLINE AVE, SHAPIRO 2
BOSTON, MA 02215
Suffolk County (617) 667-3753
VAHID KIARAD M.D
Anesthesiology
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 667-7000
DR. MICHAEL R GOLDSTEIN PHD
Psychologist (Clinical)
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 356-7246
SARA MURDOCK CAHILL MD
Hospitalist
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 667-7000
DR. DEVON ABT HARRIS MD
Obstetrics & Gynecology (Gynecologic Oncology)
330 BROOKLINE AVE, KIRSTEIN 3
BOSTON, MA 02215
Suffolk County (617) 667-3736
DR. ELIZABETH MAIER BALOUGH MD, PHD
Student in an Organized Health Care Education/Training Program
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 667-7000

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 Tammy Hshieh's NPI number?

The NPI number for Tammy Hshieh is 1477780443. It was assigned to this individual provider in the NPPES registry on June 17, 2009.

Where is Tammy Hshieh located?

Tammy Hshieh practices at 330 Brookline Ave Deaconess 307, Boston, MA 02215. The listed phone number is (617) 632-8266.

What is Tammy Hshieh's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Tammy Hshieh enrolled in Medicare?

Yes. Tammy Hshieh 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 Tammy Hshieh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Hshieh reassigns Medicare benefits to 3 organizations: Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Dana-Farber Cancer Institute, Inc. (Boston, MA) and Brigham & Womens Physicians Organization Inc (Boston, MA). 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 Tammy Hshieh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Tammy Hshieh affiliated with any hospitals?

According to CMS data, Tammy Hshieh is affiliated with Massachusetts General Hospital, Beth Israel Deaconess Medical Center, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Tammy Hshieh was last updated on June 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.