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Edit this profileAt a glance
- 133 Franklin Corner Rd, 2Nd Fl, Lawrenceville, NJ 08648
About Dr. Shaffer
Brian L. Shaffer, MD is a healthcare provider in Lawrenceville, NJ specializing in internal medicine. Medicare claims data shows Brian provided 708 services to 266 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, annual depression screening, 5 to 15 minutes, and ultrasound study of arm and leg arteries. This provider record is associated with NPI 1447247689.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (609) 436-5900
- Email not available
Practice Locations
133 FRANKLIN CORNER RD 2ND FL
Lawrenceville, NJ 08648
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
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
Cardiac and vascular
- AFib
Digestive
- Diverticulitis
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
- Smoking cessation counseling
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
708 services · 266 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
18 | Less often than most peers in Internal Medicine |
| Testing of autonomic (sympathetic) nervous system function | Treatment | 95923 |
17 | Less often than most 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 |
623 | More often than most peers in Internal Medicine |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
35 | Less often than most peers in Internal Medicine |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
15 | 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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 — 32 related providers in 4 groups
Other internists in Lawrenceville 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound study of arm and leg arteries 8
Providers in NJ who bill this service to Medicare most often.
Common questions
What does Dr. Shaffer specialize in?
Dr. Shaffer is an internist in Lawrenceville, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Dr. Shaffer located?
Dr. Shaffer is listed at 133 Franklin Corner Rd 2Nd Fl, Lawrenceville, NJ 08648. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Shaffer's phone number?
The number on file is (609) 436-5900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Shaffer?
Dr. Shaffer's National Provider Identifier is 1447247689. 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. Shaffer go to medical school?
Dr. Shaffer attended Other, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Shaffer have?
Dr. Shaffer has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Shaffer do most often?
According to Medicare billing data, Dr. Shaffer provides treatments such as ultrasound study of arm and leg arteries and testing of autonomic nervous system function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Shaffer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Shaffer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.