Maxx A. Kumiski, PA
- Medicare patients, 2024
- 142
- Part D claims, 2024
- 239
- MIPS score, 2024
- 96
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 20103 Lake Chabot Road, Castro Valley, CA 94546
- Practice phone
- Call (510) 537-1234
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Maxx Kumiski'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.
Maxx A. Kumiski is a physician assistant in Castro Valley, California
Maxx Kumiski practices at Sutter Eden Medical Center in Castro Valley, California, part of Sutter Health.
Maxx Kumiski's NPI, 1952800203, was assigned on February 1, 2018. Maxx Kumiski holds California license 57698.
- NPI
- 1952800203NPI Registry (opens in a new tab)
- NPI enumeration date
- February 1, 2018
- NPI status
- Active
- Practice phone
- (510) 537-1234
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Maxx A. Kumiski practices at Sutter Eden Medical Center in Castro Valley, California
Maxx Kumiski's primary practice is Sutter Eden Medical Center, at 20103 Lake Chabot Road, Castro Valley, CA 94546 in Alameda County. The practice phone is (510) 537-1234.
- Sutter Eden Medical Center20103 Lake Chabot Road, Castro Valley, CA 94546 · Alameda CountyPhone(510) 537-1234
Source: Dmand AI Affiliation Data
Maxx A. Kumiski is affiliated with 2 sites of care and 2 medical groups
Maxx Kumiski's primary practice is Sutter Eden Medical Center in Castro Valley, California, part of Sutter Health. The medical group on file is Eden Emergency Medical Group. Dmand AI also links Maxx Kumiski to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Maxx A. Kumiski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Maxx Kumiski practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Eden 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
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Sutter Health and 6.2K+ hospitals, with verified contacts in the same login.
Maxx A. Kumiski is one of 11,482 physician assistants in California
Physician assistant is Maxx Kumiski's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Maxx Kumiski's licenses on file in 2 states: California and Connecticut.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
- Connecticut license
Physician assistants near Maxx Kumiski
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
Maxx A. Kumiski treated 142 Medicare patients in 2024, average age 70
CMS counts 142 Medicare patients who saw Maxx Kumiski in 2024. The largest group is 65 to 74, with 59 patients. 73% of them have high blood pressure, and 64% have high cholesterol. 56% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Maxx Kumiski's median patient age at 39, with 55% women.
Maxx Kumiski's Medicare patients by age, 2024
Maxx Kumiski's Medicare patients by sex, 2024
- Women8056%
- Men6244%
Chronic conditions among Maxx Kumiski's Medicare patients, 2024
- High blood pressure73%
- High cholesterol64%
- Arthritis44%
- Diabetes37%
- Mood disorders36%
- Anxiety34%
- Depression31%
- Chronic kidney disease27%
Share of Medicare patients with each condition. A patient can have several.
Maxx Kumiski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women55%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Maxx A. Kumiski wrote 239 Medicare Part D claims in 2024
In 2024, Maxx Kumiski wrote 239 Medicare Part D claims for 135 patients. 92% of them were for generic drugs.
Maxx Kumiski's Part D claims by kind of drug, 2024
- Generic219 claims92%
- Brand-name20 claims8%
Drug classes CMS tracks in Maxx Kumiski's Part D claims, 2024
- Opioids6%14 of 239 claims
- Antibiotics16%38 of 239 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
Maxx A. Kumiski scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Maxx Kumiski for performance year 2024, reported as part of a group.
Maxx Kumiski's MIPS scores, performance year 2024
- 96of 100Final score
- 86.7of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Maxx A. Kumiski'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 (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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 Maxx A. Kumiski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Maxx A. Kumiski's NPI number?
Maxx A. Kumiski's NPI number is 1952800203. It was assigned on February 1, 2018, and it is active in the NPI Registry.
What does Maxx A. Kumiski specialize in?
Maxx A. Kumiski is a physician assistant in Castro Valley, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Maxx A. Kumiski practice?
Maxx Kumiski practices at 20103 Lake Chabot Road, Castro Valley, CA 94546. Maxx Kumiski's primary practice is Sutter Eden Medical Center in Castro Valley, California, part of Sutter Health. Dmand AI also links Maxx Kumiski to 1 group practice or clinic and 1 medical group.
What is Maxx A. Kumiski's office phone number?
The practice phone on file for Maxx Kumiski is (510) 537-1234.
What is Maxx A. Kumiski's medical license number?
Maxx Kumiski holds California license 57698, one of the licenses on file in 2 states.
Which states has Maxx A. Kumiski been licensed in?
Dmand AI has state licenses on file for Maxx Kumiski in California and Connecticut.
Which hospitals is Maxx A. Kumiski affiliated with?
Maxx Kumiski practices at Sutter Eden Medical Center in Castro Valley, California.
What medical group is Maxx A. Kumiski part of?
Maxx Kumiski is linked to Eden Emergency Medical Group. Dmand AI links Maxx Kumiski to 1 more medical group.
What is Maxx A. Kumiski's MIPS score?
Maxx Kumiski's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.
How many Medicare patients does Maxx A. Kumiski see?
CMS counts 142 Medicare patients who saw Maxx Kumiski in 2024, with an average age of 70.
How long has Maxx A. Kumiski been practicing?
Maxx Kumiski graduated from medical school in 2018, 8 years ago.
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