Physician Profile
Andrew J. Gewirtz, M.D.
Unclaimed ProfileAbout Dr. Gewirtz
Andrew J. Gewirtz, M.D. practices internal medicine in Lynbrook, NY. Medicare claims data shows Andrew provided 424 services to 416 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1194106187.
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
- (516) 764-2273
- Email not available
Practice Locations
585 MERRICK RD
Lynbrook, NY 11563
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
- Acid reflux
- Fatty liver disease
- IBS
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
- Vertigo
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
424 services · 416 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
23 | Less often than most peers in Internal Medicine |
| X-ray of ribs on side of body, minimum of 3 views | Imaging | 71101 |
12 | Too few peers to compare |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
15 | Less often than most 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 |
136 | More often than most peers in Internal Medicine |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | Lab test | 87428 |
49 | Too few peers to compare |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
40 | More 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 |
34 | As often as other peers in Internal Medicine |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | Lab test | 87426 |
33 | More often than most peers in Internal Medicine |
| Automated urinalysis test | Lab test | 81003 |
29 | As often as other peers in Internal Medicine |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
20 | As often as other 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 1
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 — 31 related providers in 4 groups
Other internists in Lynbrook 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Andrew J. Gewirtz?
Andrew J. Gewirtz is an internist in Lynbrook, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Andrew J. Gewirtz's address?
Andrew J. Gewirtz is listed at 585 Merrick Rd, Lynbrook, NY 11563. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Andrew J. Gewirtz?
The number on file is (516) 764-2273. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Andrew J. Gewirtz?
Andrew J. Gewirtz's National Provider Identifier is 1194106187. 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 Andrew J. Gewirtz train?
Andrew J. Gewirtz attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Andrew J. Gewirtz have?
Andrew J. Gewirtz has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What procedures does Andrew J. Gewirtz perform?
According to Medicare billing data, Andrew J. Gewirtz performs imaging including x-ray of chest, 2 views and x-ray of ribs on side of body, minimum of 3 views; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Andrew J. Gewirtz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Andrew J. Gewirtz. If this is you, claiming it is free.
Guide.md
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