Physician Profile
Nielsen Q. Fernandez-Becker, M.D., PhD
Unclaimed ProfileAbout Dr. Fernandez-Becker
Based in Palo Alto, CA, Nielsen Q. Fernandez-Becker, M.D., PhD is listed in the NPI registry under internal medicine. Nielsen graduated from Albert Einstein College of Medicine of Yeshiva University in 2002. Nielsen is also listed as specializing in gastroenterology. Medicare claims data shows Nielsen provided 535 services to 508 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. NPI 1972678639 identifies this record in the national registry.
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
- (650) 723-4000
- Email not available
Practice Locations
300 PASTEUR DR
Palo Alto, CA 94304
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 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
- 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
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
535 services · 508 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
49 | As often as other peers in Internal Medicine |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
45 | As often as other peers in Internal Medicine |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
25 | Less often than most peers in Internal Medicine |
| Study of esophagus to assess movement | Treatment | 91010 |
44 | More often than most peers in Internal Medicine |
| Monitoring and recording of esophageal function through nasal tube with electrode | Treatment | 91037 |
41 | More often than most peers in Internal Medicine |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | Treatment | 91065 |
35 | More often than most peers in Internal Medicine |
| Monitoring and recording of esophageal function through a capsule attached to the esophagus wall | Treatment | 91035 |
23 | More often than most peers in Internal Medicine |
| Imaging of digestive tract done from the inside of the digestive tract | Treatment | 91110 |
20 | More often than most peers in Internal Medicine |
| Prolonged monitoring and recording of esophageal function through nasal tube with electrode | Treatment | 91038 |
13 | Less often than most 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 |
70 | More 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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 Palo Alto 6
Same specialty, same city.
Trained at Albert Einstein College of Medicine of Yeshiva University 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Albert Einstein College of Medicine of Yeshiva University 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Nielsen Q. Fernandez-Becker, M.D. specialize in?
Nielsen Q. Fernandez-Becker, M.D. is an internist in Palo Alto, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Nielsen Q. Fernandez-Becker, M.D. located?
Nielsen Q. Fernandez-Becker, M.D. is listed at 300 Pasteur Dr, Palo Alto, CA 94304. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Nielsen Q. Fernandez-Becker, M.D.'s phone number?
The number on file is (650) 723-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Nielsen Q. Fernandez-Becker, M.D.?
Nielsen Q. Fernandez-Becker, M.D.'s National Provider Identifier is 1972678639. 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 Nielsen Q. Fernandez-Becker, M.D. train?
Nielsen Q. Fernandez-Becker, M.D. attended Albert Einstein College of Medicine of Yeshiva University, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Nielsen Q. Fernandez-Becker, M.D. have?
Nielsen Q. Fernandez-Becker, M.D. has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Nielsen Q. Fernandez-Becker, M.D. do most often?
According to Medicare billing data, Nielsen Q. Fernandez-Becker, M.D. performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare; provides treatments such as study of esophagus to assess movement and monitoring and recording of esophageal function through nasal tube with electrode, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Nielsen Q. Fernandez-Becker, M.D.'s profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Nielsen Q. Fernandez-Becker, M.D.. If this is you, claiming it is free.
Guide.md
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