Walter Glen Speirs, PA-C
- Medicare patients, 2024
- 24
- Part D claims, 2024
- 924
- Hospital affiliations
- 1
- Industry payments
- $16
- Medical groups
- 3
- Practice address
- 11400 Pleasant Valley Rd, Penn Valley, CA 95946
- Practice phone
- Call (530) 272-9770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sierra Care Physicians
Penn Valley, California
Find Walter Speirs' 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.
Walter Glen Speirs is a physician assistant in Penn Valley, California
Walter Speirs practices at Sierra Care Physicians in Penn Valley, California.
Walter Speirs' NPI, 1326004094, was assigned on April 21, 2006. Walter Speirs graduated from University of Utah School of Medicine in 2001. Walter Speirs holds Arizona license 10908.
- NPI
- 1326004094NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345276952
- NPI enumeration date
- April 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 272-9770
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Walter Glen Speirs practices at Sierra Care Physicians in Penn Valley, California
Walter Speirs' primary practice is Sierra Care Physicians, at 11400 Pleasant Valley Rd, Penn Valley, CA 95946 in Nevada County. The practice phone is (530) 272-9770.
- Sierra Care Physicians11400 Pleasant Valley Rd, Penn Valley, CA 95946 · Nevada CountyPhone(530) 272-9770
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Walter Glen Speirs is affiliated with 4 sites of care and 3 medical groups
Walter Speirs' primary practice is Sierra Care Physicians in Penn Valley, California. Walter Speirs is also affiliated with Dignity Health - Sierra Nevada Memorial Hospital. The medical group on file is Western Sierra Medical Clinic. Dmand AI also links Walter Speirs to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Walter Glen Speirs' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Walter Speirs practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sierra Care Physicians | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Walter Glen Speirs is one of 11,482 physician assistants in California
Physician assistant is Walter Speirs' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Walter Speirs is licensed in Arizona.
Specialties and state licenses
- Physician assistant, ArizonaPrimary
Physician assistants near Walter Speirs
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
Walter Glen Speirs treated 24 Medicare patients in 2024, average age 67
CMS counts 24 Medicare patients who saw Walter Speirs in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Walter Speirs' median patient age at 64, with 56% women.
Walter Speirs' Medicare patients by sex, 2024
- Women1354%
- Men1146%
Chronic conditions among Walter Speirs' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes58%
- Anxiety46%
- Mood disorders46%
Share of Medicare patients with each condition. A patient can have several.
Walter Speirs' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Walter Glen Speirs wrote 924 Medicare Part D claims in 2024
In 2024, Walter Speirs wrote 924 Medicare Part D claims for 156 patients. 84% of them were for generic drugs.
Walter Speirs' Part D claims by kind of drug, 2024
- Generic775 claims84%
- Brand-name and other149 claims16%
Drug classes CMS tracks in Walter Speirs' Part D claims, 2024
- Opioids7%66 of 924 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Walter Glen Speirs takes part in Medicare
Walter Speirs 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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Walter Glen Speirs received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to Walter Speirs from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $16.
Companies that paid Walter Speirs the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Walter Glen Speirs graduated from University of Utah School of Medicine
Walter Speirs graduated from University of Utah School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Walter Glen Speirs'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 DataDmand AI Affiliation 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 (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 Walter Glen Speirs
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Walter Glen Speirs' NPI number?
Walter Glen Speirs' NPI number is 1326004094. It was assigned on April 21, 2006, and it is active in the NPI Registry.
What does Walter Glen Speirs specialize in?
Walter Glen Speirs is a physician assistant in Penn Valley, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Walter Glen Speirs practice?
Walter Speirs practices at 11400 Pleasant Valley Rd, Penn Valley, CA 95946. Walter Speirs' primary practice is Sierra Care Physicians in Penn Valley, California. Dmand AI also links Walter Speirs to 2 group practices and clinics and 2 medical groups.
What is Walter Glen Speirs' office phone number?
The practice phone on file for Walter Speirs is (530) 272-9770.
What is Walter Glen Speirs' medical license number?
Walter Speirs holds Arizona license 10908.
Which hospitals is Walter Glen Speirs affiliated with?
Walter Speirs is affiliated with Dignity Health - Sierra Nevada Memorial Hospital.
What medical group is Walter Glen Speirs part of?
Walter Speirs is linked to Western Sierra Medical Clinic. Dmand AI links Walter Speirs to 2 more medical groups.
Does Walter Glen Speirs accept Medicare?
Yes. CMS lists Walter Speirs as accepting Medicare assignment.
How many Medicare patients does Walter Glen Speirs see?
CMS counts 24 Medicare patients who saw Walter Speirs in 2024, with an average age of 67.
Where did Walter Glen Speirs go to medical school?
Walter Speirs graduated from University of Utah School of Medicine in 2001.
Has Walter Glen Speirs received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Walter Speirs from 1 company from 2025 to 2025. The largest total came from Exact Sciences Corporation.
How long has Walter Glen Speirs been practicing?
Walter Speirs graduated from medical school in 2001, 25 years ago.
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