Physician Profile
Rebecca R. Saff, MD, PhD
Unclaimed ProfileAbout Dr. Saff
Rebecca R. Saff, MD, PhD is a healthcare provider in Boston, MA specializing in internal medicine. Rebecca trained at Boston University School of Medicine, graduating in 2007. Medicare claims data shows Rebecca provided 1,539 services to 355 patients. The services billed most often include test for allergy using allergenic extract, test for allergy using allergenic extract injected into skin, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (617) 726-2066
- Email not available
Practice Locations
MASSACHUSETTS GENERAL HOSPITAL 55 FRUIT STREET
Boston, MA 02114
Conditions Commonly Evaluated or Treated
Within Internal Medicine 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
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
1,539 services · 355 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
596 | Less often than most peers in Internal Medicine |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
488 | More often than most peers in Internal Medicine |
| Professional service for multiple injections of allergen | Treatment | 95117 |
110 | Less often than most peers in Internal Medicine |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
21 | Less often than most peers in Internal Medicine |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
19 | Less often than most peers in Internal Medicine |
| Test for allergy using ingested items, initial 2 hours | Treatment | 95076 |
17 | As often as other peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
129 | As often as other peers in Internal Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
48 | As often as other peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
41 | Less often than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
36 | Less often than most peers in Internal Medicine |
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.
Other internists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 30 related providers in 4 groups
Other internists in Boston 6
Same specialty, same city.
Trained at Boston University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at Boston University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 8
Providers in MA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Saff?
Dr. Saff is an internist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Dr. Saff's address?
Dr. Saff is listed at Massachusetts General Hospital 55 Fruit Street, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Saff?
The number on file is (617) 726-2066. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Saff?
Dr. Saff's National Provider Identifier is 1306041983. 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. Saff train?
Dr. Saff attended Boston University School of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Saff have?
Dr. Saff has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Saff perform?
According to Medicare billing data, Dr. Saff provides treatments such as test for allergy using allergenic extract and test for allergy using allergenic extract injected into skin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Saff's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Saff. 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.