Nathan R. Walsh, PA-C
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 256
- Hospital affiliations
- 1
- Industry payments
- $286
- Medical groups
- 6
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Nathan Walsh'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.
Nathan R. Walsh is a physician assistant in San Francisco, California
Nathan Walsh practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Nathan Walsh's NPI, 1164073276, was assigned on September 20, 2019. Nathan Walsh holds Washington license PA60976825.
- NPI
- 1164073276NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052742533
- NPI enumeration date
- September 20, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (415) 353-2733
- 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)
Nathan R. Walsh practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Nathan Walsh's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Nathan R. Walsh is affiliated with 5 sites of care and 6 medical groups
Nathan Walsh's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Nathan Walsh to 5 more medical groups and 4 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Nathan R. Walsh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nathan Walsh practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +4 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of California Health and 6.2K+ hospitals, with verified contacts in the same login.
Nathan R. Walsh is one of 11,482 physician assistants in California
Physician assistant is Nathan Walsh's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Nathan Walsh is licensed in Washington.
Specialties and state licenses
- Physician assistant, WashingtonPrimary
Physician assistants near Nathan Walsh
Counts of physician assistants 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
Nathan R. Walsh treated 12 Medicare patients in 2024, average age 72
CMS counts 12 Medicare patients who saw Nathan Walsh in 2024. Their average risk score is 0.59, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Nathan Walsh's median patient age at 70, with 57% women.
Nathan Walsh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Nathan R. Walsh wrote 256 Medicare Part D claims in 2024
In 2024, Nathan Walsh wrote 256 Medicare Part D claims for 103 patients. 100% of them were for generic drugs. CMS names the drug for 197 of them, across 5 drugs with 11 or more claims each, at $3,371 in total drug cost.
Nathan Walsh'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.
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
Nathan R. Walsh offers telehealth to Medicare patients
Nathan Walsh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Nathan Walsh as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Nathan R. Walsh received $286 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Nathan Walsh from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Madrigal Pharmaceuticals paid the most, $130.
General payments to Nathan Walsh by program year, 2024 to 2025
Companies that paid Nathan Walsh the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Nathan R. Walsh'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 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) |
| 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 Nathan R. Walsh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nathan R. Walsh's NPI number?
Nathan R. Walsh's NPI number is 1164073276. It was assigned on September 20, 2019, and it is active in the NPI Registry.
What does Nathan R. Walsh specialize in?
Nathan R. Walsh is a physician assistant in San Francisco, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Nathan R. Walsh practice?
Nathan Walsh practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Nathan Walsh's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Nathan Walsh to 5 medical groups and 4 group practices and clinics.
What is Nathan R. Walsh's office phone number?
The practice phone on file for Nathan Walsh is (415) 353-2733.
What is Nathan R. Walsh's medical license number?
Nathan Walsh holds Washington license PA60976825.
Which hospitals is Nathan R. Walsh affiliated with?
Nathan Walsh practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.
What medical group is Nathan R. Walsh part of?
Nathan Walsh is linked to UCSF Pediatrics. Dmand AI links Nathan Walsh to 5 more medical groups.
Does Nathan R. Walsh accept Medicare?
Yes. CMS lists Nathan Walsh as accepting Medicare assignment.
Does Nathan R. Walsh offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Nathan Walsh as offering telehealth services.
How many Medicare patients does Nathan R. Walsh see?
CMS counts 12 Medicare patients who saw Nathan Walsh in 2024, with an average age of 72.
Show 3 more questionsShow fewer questions
What drugs does Nathan R. Walsh prescribe most?
In 2024 Medicare Part D data, Nathan Walsh's most prescribed drugs by claims were Azelastine HCl, Fluticasone Propionate and Ipratropium Bromide.
Has Nathan R. Walsh received payments from drug or device companies?
CMS Open Payments shows $286 in general payments to Nathan Walsh from 3 companies from 2024 to 2025. The largest total came from Madrigal Pharmaceuticals.
How long has Nathan R. Walsh been practicing?
Nathan Walsh graduated from medical school in 2019, 7 years ago.
Selling to physician assistant practices?
See physician assistants in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card