Spencer Dayton Packer
- Part D claims, 2024
- 1,390
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2009
- Practice address
- 400 W Mineral King Ave, Visalia, CA 93291
- Practice phone
- Call (559) 624-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Spencer Packer'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.
Spencer Dayton Packer is a physician assistant in Visalia, California
Spencer Packer practices at Kaweah Health Medical Center in Visalia, California, part of Kaweah Delta Health Care District.
Spencer Packer's NPI, 1174859730, was assigned on November 2, 2009. Spencer Packer graduated from University of Virginia School of Medicine in 2013. Spencer Packer holds California license PA23178.
- NPI
- 1174859730NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173849429
- NPI enumeration date
- November 2, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 624-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Spencer Dayton Packer practices at Kaweah Health Medical Center in Visalia, California
Spencer Packer's primary practice is Kaweah Health Medical Center, at 400 W Mineral King Ave, Visalia, CA 93291 in Tulare County. The practice phone is (559) 624-2000.
- Kaweah Health Medical Center400 W Mineral King Ave, Visalia, CA 93291 · Tulare CountyPhone(559) 624-2000
Source: Dmand AI Affiliation Data
Spencer Dayton Packer is affiliated with 2 sites of care and 2 medical groups
Spencer Packer's primary practice is Kaweah Health Medical Center in Visalia, California, part of Kaweah Delta Health Care District. The medical group on file is Family HealthCare Network. Dmand AI also links Spencer Packer to 1 more community health center and 1 medical group, each named with a free account. Spencer Packer'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 Spencer Dayton Packer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Spencer Packer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaweah Health Medical Center | Available with a free account |
| +1 more site and 1 medical group | 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 Kaweah Delta Health Care District and 6.2K+ hospitals, with verified contacts in the same login.
Spencer Dayton Packer is one of 2,381 physician assistants in California
Medical is Spencer Packer's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Spencer Packer is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Spencer Packer is licensed in California.
Specialties and state licenses
- Medical physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists acute skin infection, fluid and electrolyte imbalances, head wound and UTI among the conditions Spencer Packer treats.
Physician assistants near Spencer Packer
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
Spencer Dayton Packer's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Spencer Packer's median patient age at 61, with 60% women.
Spencer Packer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Spencer Dayton Packer wrote 1,390 Medicare Part D claims in 2024
In 2024, Spencer Packer wrote 1,390 Medicare Part D claims for 199 patients. 81% of them were for generic drugs. CMS names the drug for 963 of them, across 40 drugs with 11 or more claims each, at $118,121 in total drug cost.
Spencer Packer's Part D claims by kind of drug, 2024
- Generic1,131 claims81%
- Brand-name229 claims16%
- Other30 claims2%
Spencer Packer'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.
Drug classes CMS tracks in Spencer Packer's Part D claims, 2024
- Opioids3%39 of 1,390 claims
- Antibiotics2%23 of 1,390 claims
- Antipsychotics, patients 65 and over2%27 of 1,390 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Spencer Dayton Packer takes part in Medicare
Spencer Packer 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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Spencer Dayton Packer graduated from University of Virginia School of Medicine
Spencer Packer graduated from University of Virginia School of Medicine in 2013.
- Medical school
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Spencer Dayton Packer'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 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) |
| 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 Spencer Dayton Packer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Spencer Dayton Packer's NPI number?
Spencer Dayton Packer's NPI number is 1174859730. It was assigned on November 2, 2009, and it is active in the NPI Registry.
What does Spencer Dayton Packer specialize in?
Spencer Dayton Packer is a physician assistant in Visalia, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Spencer Dayton Packer practice?
Spencer Packer practices at 400 W Mineral King Ave, Visalia, CA 93291. Spencer Packer's primary practice is Kaweah Health Medical Center in Visalia, California, part of Kaweah Delta Health Care District. Dmand AI also links Spencer Packer to 1 community health center and 1 medical group.
What is Spencer Dayton Packer's office phone number?
The practice phone on file for Spencer Packer is (559) 624-2000.
What is Spencer Dayton Packer's medical license number?
Spencer Packer holds California license PA23178.
Which hospitals is Spencer Dayton Packer affiliated with?
Spencer Packer practices at Kaweah Health Medical Center in Visalia, California.
What medical group is Spencer Dayton Packer part of?
Spencer Packer is linked to Family HealthCare Network. Dmand AI links Spencer Packer to 1 more medical group.
Does Spencer Dayton Packer accept Medicare?
Yes. CMS lists Spencer Packer as accepting Medicare assignment.
Is Spencer Dayton Packer board certified?
Yes. Spencer Packer is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
Where did Spencer Dayton Packer go to medical school?
Spencer Packer graduated from University of Virginia School of Medicine in 2013.
What drugs does Spencer Dayton Packer prescribe most?
In 2024 Medicare Part D data, Spencer Packer's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Lisinopril.
How long has Spencer Dayton Packer been practicing?
Spencer Packer graduated from medical school in 2013, 13 years ago.
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