Dr. Nathaniel A. Blecher, MD
Ophthalmology (Ophthalmology Physician)
300 Pasteur Dr
Palo Alto, CA 94305
Who else practices at this address →
Santa Clara County includes mental health (13% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- University of Pittsburgh School of Medicine (2019)
- Years since graduation
- 7
- In the NPI registry since
- 2019
- Medicare patients seen, 2024
- 177
Licensed in California since 2025, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2019Medical school: University of Pittsburgh School of Medicine
- 2019Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Ophthalmology Physician primary
CA license A202381 (first issued 2025; current) · MO license A202381
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Stanford Health Care Stanford, CA
- Stanford Health Care Tri-Valley Pleasanton, CA
Medical groups
- Stanford Health Care (3,122 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 177
- Services billed
- 267
- Patients’ average age
- 70
| Service | Times | Patients |
|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 50 | 29 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 33 | 33 |
| Measurement of corneal curvature and depth of eye | 23 | 22 |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 19 | 18 |
| Removal of cataract with insertion of prosthetic lens | 16 | 15 |
| New patient office or other outpatient visit, 45-59 minutes | 12 | 12 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Latanoprost Other prescribers in Palo Alto, CA | 293 |
| Dorzolamide-Timolol (dorzolamide hcl/timolol maleat) Other prescribers in Palo Alto, CA | 174 |
| Prednisolone Acetate Other prescribers in Palo Alto, CA | 153 |
| Brimonidine Tartrate Other prescribers in Palo Alto, CA | 121 |
| Timolol Maleate Other prescribers in Palo Alto, CA | 80 |
| Dorzolamide Hcl Other prescribers in Palo Alto, CA | 46 |
| Polymyxin B Sul-Trimethoprim (polymyxin b sulf/trimethoprim) | 34 |
| Moxifloxacin (moxifloxacin hcl) Other prescribers in Palo Alto, CA | 26 |
| Ciprofloxacin Hcl Other prescribers in Palo Alto, CA | 20 |
| Rhopressa (netarsudil mesylate) | 16 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 3 companies reported 3 payments worth $239 in total to this clinician.
| Sight Sciences, Inc. | $147 |
|---|---|
| Alcon Vision LLC | $51.67 |
| AbbVie Inc. | $40.80 |
| Food and Beverage | $239 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.