Physician Profile
Joy Natalie Tsai, MD
Unclaimed ProfileAbout Dr. Tsai
Joy Natalie Tsai, MD is a healthcare provider in Boston, MA specializing in endocrinology. Joy trained at Northwestern University Feinberg Medical School, graduating in 2007. Joy is also listed as specializing in internal medicine and endocrinology, diabetes & metabolism. Medicare claims data shows Joy provided 984 services to 979 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (617) 724-7777
- Email not available
Practice Locations
55 FRUIT ST. ENDOCRINE TRAINING PROGRAM
Boston, MA 02114
Conditions Commonly Evaluated or Treated
Within Endocrinology, Diabetes and Metabolism generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
984 services · 979 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
718 |
| Dxa bone density measurement of forearm, finger, hand, or foot | Imaging | 77081 |
105 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
98 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
25 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
23 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other endocrinology specialists in Boston 8
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2007 at Northwestern University Feinberg Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Dxa bone density measurement of hip, pelvis, spine 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Tsai specialize in?
Dr. Tsai is an endocrinology in Boston, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ENDOCRINOLOGY”.
NPI registry
Where is Dr. Tsai located?
Dr. Tsai is listed at 55 FRUIT ST. ENDOCRINE TRAINING PROGRAM, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tsai's phone number?
The number on file is (617) 724-7777. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Tsai?
Dr. Tsai's National Provider Identifier is 1710134929. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Tsai go to medical school?
Dr. Tsai attended Northwestern University Feinberg Medical School, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Tsai have?
Dr. Tsai has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tsai do most often?
According to Medicare billing data, Dr. Tsai performs imaging including dxa bone density measurement of hip, pelvis, spine and dxa bone density measurement of forearm, finger, hand, or foot, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Tsai's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tsai. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.