Physician Profile
George R. Nissan, DO
Unclaimed ProfileAbout Dr. Nissan
Based in Chicago, IL, George R. Nissan, DO is listed in the NPI registry under internal medicine. George graduated from Midwestern University, Chicago College of Osteopathic Med in 1999. Medicare claims data shows George provided 3,909 services to 196 patients. The services billed most often include injection, onabotulinumtoxina, 1 unit, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and 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'.
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
- (773) 388-6390
- Email not available
Practice Locations
1460 N HALSTED ST STE 501
Chicago, IL 60642
2150 Pfingsten Rd. Suite 2260
Glenview, IL 60026
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
3,909 services · 196 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face | Procedure | 64615 |
15 | Too few peers to compare |
| Injection, onabotulinumtoxina, 1 unit | Drug given | J0585 |
3,600 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
101 | As often as other peers in Internal Medicine |
| 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 |
88 | As often as other peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
78 | As often as other peers in Internal Medicine |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
14 | Less often than most peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
13 | 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.
Related specialists at this location 8
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.
Other internists in Chicago 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Midwestern University, Chicago College of Osteopathic Med 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Midwestern University, Chicago College of Osteopathic Med 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Nissan's specialty?
Dr. Nissan is an internist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Dr. Nissan?
Dr. Nissan is listed at 1460 N Halsted St Ste 501, Chicago, IL 60642. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Nissan?
The number on file is (773) 388-6390. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Nissan?
Dr. Nissan's National Provider Identifier is 1245222033. 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
What is Dr. Nissan's medical education?
Dr. Nissan attended Midwestern University, Chicago College of Osteopathic Med, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nissan have?
Dr. Nissan has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Nissan known for?
According to Medicare billing data, Dr. Nissan performs procedures including injection of chemical for paralysis of facial and neck nerve muscles on both sides of face, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Nissan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nissan. 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.