Dr. Jacob Walter Loeffler, MD
- Part D claims, 2024
- 22
- Hospital affiliations
- 2
- Industry payments
- $125
- Medical groups
- 2
- State license
- 1
- 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. Loeffler's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jacob Walter Loeffler is a neurologist in Stanford, California
Dr. Loeffler practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Loeffler's NPI, 1497294656, was assigned on February 21, 2017. Dr. Loeffler graduated from University of California, Davis School of Medicine in 2020. Dr. Loeffler holds California license A189613.
- NPI
- 1497294656NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638691157
- NPI enumeration date
- February 21, 2017
- 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
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jacob Walter Loeffler practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Loeffler'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. Jacob Walter Loeffler is affiliated with 2 sites of care and 2 medical groups
Dr. Loeffler's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Loeffler to 1 more hospital and 1 medical group, each named with a free account. Dr. Loeffler'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. Jacob Walter Loeffler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Loeffler practices, 2 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 |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jacob Walter Loeffler is one of 2,207 neurologists in California
Neurology is Dr. Loeffler's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Loeffler is licensed in California.
Specialties and state licenses
- Neurology, CaliforniaPrimary
Neurologists near Dr. Loeffler
Counts of neurologists 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. Jacob Walter Loeffler's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Dr. Loeffler's median patient age at 40, with 71% women.
Dr. Loeffler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women71%
- Men28%
Source: Dmand AI Patient Panel Data
Dr. Jacob Walter Loeffler wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Loeffler wrote 22 Medicare Part D claims for 12 patients. 77% of them were for generic drugs.
Dr. Loeffler's Part D claims by kind of drug, 2024
- Generic17 claims77%
- Brand-name and other5 claims23%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Jacob Walter Loeffler takes part in Medicare
Dr. Loeffler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jacob Walter Loeffler received $125 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Loeffler from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $125.
Companies that paid Dr. Loeffler the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jacob Walter Loeffler graduated from University of California, Davis School of Medicine
Dr. Loeffler graduated from University of California, Davis School of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jacob Walter Loeffler'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| 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. Jacob Walter Loeffler
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. Jacob Walter Loeffler's NPI number?
Dr. Jacob Walter Loeffler's NPI number is 1497294656. It was assigned on February 21, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Jacob Walter Loeffler?
Dr. Jacob Walter Loeffler is a neurologist in Stanford, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Jacob Walter Loeffler practice?
Dr. Loeffler practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Loeffler's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Loeffler to 1 hospital and 1 medical group.
What is Dr. Jacob Walter Loeffler's office phone number?
The practice phone on file for Dr. Loeffler is (650) 723-4000.
What is Dr. Jacob Walter Loeffler's medical license number?
Dr. Loeffler holds California license A189613, one of 2 state licenses on file.
Which hospitals is Dr. Jacob Walter Loeffler affiliated with?
Dr. Loeffler practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Loeffler to 1 more hospital.
What medical group is Dr. Jacob Walter Loeffler part of?
Dr. Loeffler is linked to Stanford Health Care. Dmand AI links Dr. Loeffler to 1 more medical group.
Does Dr. Jacob Walter Loeffler accept Medicare?
Yes. CMS lists Dr. Loeffler as accepting Medicare assignment.
Where did Dr. Jacob Walter Loeffler go to medical school?
Dr. Loeffler graduated from University of California, Davis School of Medicine in 2020.
Has Dr. Jacob Walter Loeffler received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Dr. Loeffler from 1 company from 2024 to 2024. The largest total came from Amgen Inc.
How long has Dr. Jacob Walter Loeffler been practicing?
Dr. Loeffler graduated from medical school in 2020, 6 years ago.
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