Dr. Ehren Robert Nelson, MD
- Medicare services, 2022
- 164
- Part D claims, 2022
- 83
- Industry payments
- $5,792
- State license
- 1
- Year NPI issued
- 2010
- Practice address
- 3801 Miranda Ave, Palo Alto, CA 94304
- Practice phone
- Call (650) 493-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
VA Aplo Alto Health Care System
Palo Alto, California
Find Dr. Nelson's professional email, personal email and mobile number
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Dr. Ehren Robert Nelson is an anesthesiologist in Palo Alto, California
Dr. Nelson practices at VA Aplo Alto Health Care System in Palo Alto, California.
Dr. Nelson's NPI, 1942510615, was assigned on October 15, 2010. Dr. Nelson holds Massachusetts license 250044.
- NPI
- 1942510615NPI Registry (opens in a new tab)
- NPI enumeration date
- October 15, 2010
- NPI status
- Active
- Practice phone
- (650) 493-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Ehren Robert Nelson practices at VA Aplo Alto Health Care System in Palo Alto, California
Dr. Nelson's primary practice is VA Aplo Alto Health Care System, at 3801 Miranda Ave, Palo Alto, CA 94304 in Santa Clara County. The practice phone is (650) 493-5000.
- VA Aplo Alto Health Care System3801 Miranda Ave, Palo Alto, CA 94304 · Santa Clara CountyPhone(650) 493-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ehren Robert Nelson is affiliated with 1 site of care
Dr. Nelson's primary practice is VA Aplo Alto Health Care System in Palo Alto, California.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Ehren Robert Nelson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nelson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VA Aplo Alto Health Care System | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ehren Robert Nelson is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Nelson's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Nelson is licensed in Massachusetts.
Specialties and state licenses
- Anesthesiology, MassachusettsPrimary
Anesthesiologists near Dr. Nelson
Counts of anesthesiologists 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. Ehren Robert Nelson billed Medicare for 164 services in 2022
CMS data shows 164 Medicare services from Dr. Nelson across 6 procedure codes in 2022. Medicare paid $12,407 for them.
Dr. Nelson's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 3962022: 8479%
- Surgery
- 2021: 2412022: 5677%
- Anesthesia
- 2021: 352022: 2431%
- Imaging
- 2021: 122022: 0100%
Where Dr. Nelson's Medicare services took place, 2022
- In an office10061%
- In a facility6439%
Dr. Nelson compared with the California median for anesthesiologists, 2022
- Dr. Nelson
- California median
- Medicare services
- 164vs 722.3 times
- Part D claims
- 83vs 233.6 times
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Nelson's most billed Medicare procedure codes, 2022
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. Nelson and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ehren Robert Nelson wrote 83 Medicare Part D claims in 2022
In 2022, Dr. Nelson wrote 83 Medicare Part D claims. Every claim was for a generic drug. They cover 5 drugs, with $3,784 in total drug cost. In 2021, CMS named 112 claims across 4 drugs.
Dr. Nelson's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1122022: 8326%
Drugs named by CMS: 5 in 2022, 4 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Ehren Robert Nelson received $5,792 in industry payments from 2016 to 2025
CMS Open Payments shows 94 general payments to Dr. Nelson from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 58% of the total. Medtronic USA, Inc. paid the most, $1,856.
General payments to Dr. Nelson by program year, 2016 to 2025
General payments to Dr. Nelson by kind, 2016 to 2025
- Food and beverage$3,36458%
- Travel and lodging$1,93433%
- Education$4949%
Companies that paid Dr. Nelson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ehren Robert Nelson'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Ehren Robert Nelson
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. Ehren Robert Nelson's NPI number?
Dr. Ehren Robert Nelson's NPI number is 1942510615. It was assigned on October 15, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Ehren Robert Nelson?
Dr. Ehren Robert Nelson is an anesthesiologist in Palo Alto, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Ehren Robert Nelson practice?
Dr. Nelson practices at 3801 Miranda Ave, Palo Alto, CA 94304. Dr. Nelson's primary practice is VA Aplo Alto Health Care System in Palo Alto, California.
What is Dr. Ehren Robert Nelson's office phone number?
The practice phone on file for Dr. Nelson is (650) 493-5000.
What is Dr. Ehren Robert Nelson's medical license number?
Dr. Nelson holds Massachusetts license 250044.
Does Dr. Ehren Robert Nelson accept Medicare?
Yes. CMS data shows Dr. Nelson billed Medicare for 164 services in 2022.
What services does Dr. Ehren Robert Nelson bill to Medicare?
In 2022, Dr. Nelson's most billed Medicare services were surgery: brain, spine and nerves (62323), care management and other visits (99442) and anesthesia (00731).
What drugs does Dr. Ehren Robert Nelson prescribe most?
In 2022 Medicare Part D data, Dr. Nelson's most prescribed drugs by claims were Gabapentin, Pregabalin and Baclofen.
Has Dr. Ehren Robert Nelson received payments from drug or device companies?
CMS Open Payments shows $5,792 in general payments to Dr. Nelson from 15 companies from 2016 to 2025. The largest total came from Medtronic USA, Inc.
How long has Dr. Ehren Robert Nelson been practicing?
Dr. Nelson's NPI was assigned in 2010.
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