Kai Cosmo Zajac, PA
- Medicare services, 2024
- 298
- Medicare patients, 2024
- 266
- Part D claims, 2024
- 178
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 1515 E Ocean Avenue, Lompoc, CA 93436
- Practice phone
- Call (805) 737-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Kai Zajac's professional email, personal email and mobile number
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Kai Cosmo Zajac is a physician assistant in Lompoc, California
Kai Zajac practices at Lompoc Valley Medical Center in Lompoc, California, part of Lompoc Valley Medical Center.
Kai Zajac's NPI, 1114575081, was assigned on September 3, 2019.
- NPI
- 1114575081NPI Registry (opens in a new tab)
- NPI enumeration date
- September 3, 2019
- NPI status
- Active
- Practice phone
- (805) 737-3300
- 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; and Dmand AI Affiliation Data
Kai Cosmo Zajac practices at 2 locations in Lompoc, California
Kai Zajac's primary practice is Lompoc Valley Medical Center, at 1515 E Ocean Avenue, Lompoc, CA 93436 in Santa Barbara County. The practice phone is (805) 737-3300. Kai Zajac also practices at Lompoc Valley Medical Center, 1509 Ocean Way, Lompoc, CA 93436.
- Lompoc Valley Medical CenterPrimary1515 E Ocean Avenue, Lompoc, CA 93436 · Santa Barbara CountyPhone(805) 737-3300
- Lompoc Valley Medical Center1509 Ocean Way, Lompoc, CA 93436 · Santa Barbara CountyPhone(805) 737-3300
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Kai Cosmo Zajac is affiliated with 1 site of care and 2 medical groups
Kai Zajac's primary practice is Lompoc Valley Medical Center in Lompoc, California, part of Lompoc Valley Medical Center. The medical group on file is Lompoc Valley Medical Center. Dmand AI also links Kai Zajac to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Kai Cosmo Zajac's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kai Zajac practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lompoc Valley Medical Center | Available with a free account |
| +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 Lompoc Valley Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Kai Cosmo Zajac is one of 11,482 physician assistants in California
Physician assistant is Kai Zajac's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Clinical focus
Dmand AI lists muscle pain, fibromyalgia, and limb pain among the conditions Kai Zajac treats.
Physician assistants near Kai Zajac
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
Kai Cosmo Zajac billed Medicare for 298 services in 2024
CMS data shows 298 Medicare services from Kai Zajac across 4 procedure codes in 2024, for 266 Medicare patients. Medicare paid $22,191 for them. Every service was in a facility, such as a hospital, rather than an office.
Kai Zajac's Medicare services by type, 2024
- Office and hospital visits265
- Tests and treatments33
Kai Zajac compared with the California median for physician assistants, 2024
- Kai Zajac
- California median
- Medicare services
- 298vs 20446% above
- Medicare patients
- 266vs 1052.5 times
- Part D claims
- 49vs 24380% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Kai Zajac's most billed Medicare procedure codes, 2024
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 Kai Zajac and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Kai Cosmo Zajac treated 266 Medicare patients in 2024, average age 71
CMS counts 266 Medicare patients who saw Kai Zajac in 2024. The largest group is 65 to 74, with 100 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 56% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Kai Zajac's median patient age at 32, with 52% women.
Kai Zajac's Medicare patients by age, 2024
Kai Zajac's Medicare patients by sex, 2024
- Women15157%
- Men11543%
Chronic conditions among Kai Zajac's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Arthritis55%
- Mood disorders41%
- Anxiety38%
- Diabetes36%
- Depression33%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Kai Zajac's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Kai Cosmo Zajac wrote 178 Medicare Part D claims in 2024
In 2024, Kai Zajac wrote 178 Medicare Part D claims for 115 patients. 89% of them were for generic drugs. CMS names the drug for 49 of them, across 3 drugs with 11 or more claims each, at $303 in total drug cost.
Kai Zajac's Part D claims by kind of drug, 2024
- Generic159 claims89%
- Brand-name19 claims11%
Kai Zajac'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 Kai Zajac's Part D claims, 2024
- Opioids8%14 of 178 claims
- Antibiotics38%68 of 178 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
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Sources for Kai Cosmo Zajac'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 |
| 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) |
| 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 Kai Cosmo Zajac
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What is Kai Cosmo Zajac's NPI number?
Kai Cosmo Zajac's NPI number is 1114575081. It was assigned on September 3, 2019, and it is active in the NPI Registry.
What does Kai Cosmo Zajac specialize in?
Kai Cosmo Zajac is a physician assistant in Lompoc, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Kai Cosmo Zajac practice?
Kai Zajac practices at 1515 E Ocean Avenue, Lompoc, CA 93436. Kai Zajac also practices at 1509 Ocean Way, Lompoc, CA 93436. Kai Zajac's primary practice is Lompoc Valley Medical Center in Lompoc, California, part of Lompoc Valley Medical Center. Dmand AI also links Kai Zajac to 1 medical group.
What is Kai Cosmo Zajac's office phone number?
The practice phone on file for Kai Zajac is (805) 737-3300.
Which hospitals is Kai Cosmo Zajac affiliated with?
Kai Zajac practices at Lompoc Valley Medical Center in Lompoc, California.
What medical group is Kai Cosmo Zajac part of?
Kai Zajac is linked to Lompoc Valley Medical Center. Dmand AI links Kai Zajac to 1 more medical group.
Does Kai Cosmo Zajac accept Medicare?
Yes. CMS data shows Kai Zajac billed Medicare for 298 services in 2024.
How many Medicare patients does Kai Cosmo Zajac see?
CMS counts 266 Medicare patients who saw Kai Zajac in 2024, with an average age of 71.
What services does Kai Cosmo Zajac bill to Medicare?
In 2024, Kai Zajac's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and heart test or procedure (93010).
What drugs does Kai Cosmo Zajac prescribe most?
In 2024 Medicare Part D data, Kai Zajac's most prescribed drugs by claims were Cephalexin, Amoxicillin-Clavulanate Potass and Sulfamethoxazole-Trimethoprim.
How long has Kai Cosmo Zajac been practicing?
Kai Zajac graduated from medical school in 2019, 7 years ago.
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