Physician Profile
Based in Boston, MA, Theodore Benzer, MD PHD is listed in the NPI registry under internal medicine. Theodore is also listed as specializing in emergency medicine. According to Medicare claims data, Theodore cared for 638 Medicare patients across 648 services. The services billed most often include emergency department visit with high level of medical decision making, critical care, first 30-74 minutes, and emergency department visit with moderate level of medical decision making.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
55 FRUIT ST ZERO EMERSON PLACE SUITE 3B
Boston, MA 02114
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.
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
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
648 services · 638 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein (3 years or older) | Procedure | 36410 |
12 |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
16 |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
11 |
| Ultrasound of heart, follow-up | Treatment | 93308 |
29 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
193 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
103 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
94 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
92 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
34 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
33 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Benzer 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
Dr. Benzer is listed at 55 Fruit St Zero Emerson Place Suite 3B, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 724-4100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Benzer's National Provider Identifier is 1679563860. 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
Dr. Benzer has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Benzer performs procedures including insertion of needle into vein; reads or performs imaging such as limited ultrasound scan of abdomen and ultrasonic guidance for blood vessel access; provides treatments such as ultrasound of heart, follow-up, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Benzer. 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.