Am J Ophthalmol Case Rep
Dr. Nathaniel Aidan Blecher, MD
- Medicare services, 2024
- 144
- Medicare patients, 2024
- 177
- Part D claims, 2024
- 1,144
- Publications
- 3
- Hospital affiliations
- 3
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Blecher's professional email, personal email and mobile number
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Dr. Nathaniel Aidan Blecher is an ophthalmologist in Stanford, California
Dr. Blecher practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Blecher's NPI, 1487215380, was assigned on June 23, 2019. Dr. Blecher graduated from University of Pittsburgh School of Medicine in 2019. Dr. Blecher holds Missouri license 2023015369.
- NPI
- 1487215380NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719213933
- NPI enumeration date
- June 23, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathaniel Aidan Blecher practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Blecher's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Nathaniel Aidan Blecher is affiliated with 3 sites of care and 2 medical groups
Dr. Blecher's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Blecher is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Blecher to 1 more hospital and 1 medical group, each named with a free account. Dr. Blecher's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathaniel Aidan Blecher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blecher practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathaniel Aidan Blecher is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Blecher's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Blecher is licensed in Missouri.
Specialties and state licenses
- Ophthalmology, MissouriPrimary
Ophthalmologists near Dr. Blecher
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nathaniel Aidan Blecher billed Medicare for 144 services in 2024
CMS data shows 144 Medicare services from Dr. Blecher across 6 procedure codes in 2024, for 177 Medicare patients. Medicare paid $9,965 for them.
Dr. Blecher's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1142024: 13317%
- Other services
- 2023: 02024: 11
- Tests and treatments
- 2023: 232024: 0100%
- Surgery
- 2023: 162024: 0100%
Where Dr. Blecher's Medicare services took place, 2024
- In an office2618%
- In a facility11882%
Dr. Blecher compared with the California median for ophthalmologists, 2024
- Dr. Blecher
- California median
- Medicare services
- 144vs 1,07987% below
- Medicare patients
- 177vs 42158% below
- Part D claims
- 1,015vs 61864% above
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Blecher's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Blecher and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathaniel Aidan Blecher treated 177 Medicare patients in 2024, average age 70
CMS counts 177 Medicare patients who saw Dr. Blecher in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.38, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Blecher's median patient age at 60, with 52% women.
Dr. Blecher's Medicare patients by age, 2024
Dr. Blecher's Medicare patients by sex, 2024
- Women8045%
- Men9755%
Chronic conditions among Dr. Blecher's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes43%
- Mood disorders41%
- Anxiety40%
- Depression40%
- Chronic kidney disease39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Blecher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathaniel Aidan Blecher wrote 1,144 Medicare Part D claims in 2024
In 2024, Dr. Blecher wrote 1,144 Medicare Part D claims for 578 patients. 75% of them were for generic drugs. CMS names the drug for 1,015 of them, across 13 drugs with 11 or more claims each, at $34,488 in total drug cost. In 2023, CMS named 340 claims across 7 drugs.
Dr. Blecher's Part D claims by kind of drug, 2024
- Generic856 claims75%
- Brand-name288 claims25%
Dr. Blecher's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3402024: 1,015199%
Drugs named by CMS: 13 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Nathaniel Aidan Blecher ranks in the 71st percentile for cataract surgery in Medicare
Dr. Blecher accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 82 procedures of cataract surgery by Dr. Blecher, more than 71% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Blecher ranks in Medicare procedure volume
- Cataract surgery
- 71st percentile82 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Nathaniel Aidan Blecher has 3 publications on record
Dmand AI links 3 papers to Dr. Blecher, published from 2012 to 2024. Dr. Blecher's most frequent co-authors are Alexander Marinov Markov, MD, Eli Lynn Pratte, MD and Erin Gwen Sieck, MD.
Dr. Blecher's papers by year, 2012 to 2024
Dr. Blecher's most frequent co-authors
- Alexander Marinov Markov, MD1 shared paper
- Eli Lynn Pratte, MD1 shared paper
- Erin Gwen Sieck, MD1 shared paper
Recent publications by Dr. Blecher
See who Dr. Blecher researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Blecher works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nathaniel Aidan Blecher received $1,539 in industry payments from 2019 to 2025
CMS Open Payments shows 14 general payments to Dr. Blecher from 7 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $533.
General payments to Dr. Blecher by program year, 2019 to 2025
Companies that paid Dr. Blecher the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathaniel Aidan Blecher graduated from University of Pittsburgh School of Medicine
Dr. Blecher graduated from University of Pittsburgh School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathaniel Aidan Blecher's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nathaniel Aidan Blecher
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nathaniel Aidan Blecher's NPI number?
Dr. Nathaniel Aidan Blecher's NPI number is 1487215380. It was assigned on June 23, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathaniel Aidan Blecher?
Dr. Nathaniel Aidan Blecher is an ophthalmologist in Stanford, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Nathaniel Aidan Blecher practice?
Dr. Blecher practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Blecher's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Blecher to 1 hospital and 1 medical group.
What is Dr. Nathaniel Aidan Blecher's office phone number?
The practice phone on file for Dr. Blecher is (650) 723-4000.
What is Dr. Nathaniel Aidan Blecher's medical license number?
Dr. Blecher holds Missouri license 2023015369.
Which hospitals is Dr. Nathaniel Aidan Blecher affiliated with?
Dr. Blecher practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dr. Blecher is also affiliated with Stanford Health Care Tri-Valley. Dmand AI links Dr. Blecher to 1 more hospital.
What medical group is Dr. Nathaniel Aidan Blecher part of?
Dr. Blecher is linked to Stanford Health Care. Dmand AI links Dr. Blecher to 1 more medical group.
Does Dr. Nathaniel Aidan Blecher accept Medicare?
Yes. CMS data shows Dr. Blecher billed Medicare for 144 services in 2024, and Dr. Blecher accepts Medicare assignment.
How many Medicare patients does Dr. Nathaniel Aidan Blecher see?
CMS counts 177 Medicare patients who saw Dr. Blecher in 2024, with an average age of 70.
What services does Dr. Nathaniel Aidan Blecher bill to Medicare?
In 2024, Dr. Blecher's most billed Medicare services were hospital inpatient care (99222), hospital inpatient care (99232) and emergency department visit (99283).
Show 6 more questionsShow fewer questions
Where did Dr. Nathaniel Aidan Blecher go to medical school?
Dr. Blecher graduated from University of Pittsburgh School of Medicine in 2019.
What drugs does Dr. Nathaniel Aidan Blecher prescribe most?
In 2024 Medicare Part D data, Dr. Blecher's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Prednisolone Acetate.
Has Dr. Nathaniel Aidan Blecher received payments from drug or device companies?
CMS Open Payments shows $1,539 in general payments to Dr. Blecher from 7 companies from 2019 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Nathaniel Aidan Blecher been practicing?
Dr. Blecher graduated from medical school in 2019, 7 years ago.
Does Dr. Nathaniel Aidan Blecher do research?
Dmand AI links 3 publications to Dr. Blecher, published from 2012 to 2024.
Who does Dr. Nathaniel Aidan Blecher publish with?
Dr. Blecher's most frequent co-authors are Alexander Marinov Markov, MD (1 shared paper), Eli Lynn Pratte, MD (1 shared paper) and Erin Gwen Sieck, MD (1 shared paper).
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