Physician Profile
Unclaimed ProfileAbout BORNSTEIN
Based in San Carlos, CA, Nathan Bornstein, M.D. is listed in the NPI registry under emergency medicine. Nathan graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2008. Medicare claims data shows Nathan provided 416 services to 406 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (650) 596-4100
- Email not available
Practice Locations
301 INDUSTRIAL RD
San Carlos, CA 94070
Procedures Most Often Billed to Medicare
416 services · 406 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
129 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
62 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
48 |
| Automated urinalysis test | Lab test | 81003 |
39 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
38 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
34 |
| Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus | Lab test | 87637 |
30 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
25 |
| Blood glucose (sugar) test performed by hand-held instrument | Lab test | 82962 |
11 |
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 emergency medicines at this location 2
Same specialty, same street address — most likely the same department or group.
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 emergency medicines in San Carlos 6
Same specialty, same city.
More connections — 15 related providers in 2 groups
Trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University 7
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Bornstein's specialty?
Dr. Bornstein is an emergency medicine in San Carlos, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
Where can I find Dr. Bornstein?
Dr. Bornstein is listed at 301 INDUSTRIAL RD, San Carlos, CA 94070. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Bornstein?
The number on file is (650) 596-4100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Bornstein?
Dr. Bornstein's National Provider Identifier is 1174783773. 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. Bornstein's medical education?
Dr. Bornstein attended Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Bornstein have?
Dr. Bornstein has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Bornstein known for?
According to Medicare billing data, Dr. Bornstein the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Bornstein's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Bornstein. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.