John J. Shaff, PA-C
- Part D claims, 2024
- 457
- Industry payments
- $806
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 2201 K St, Sacramento, CA 95816
- Practice phone
- Call (619) 326-4222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Koinonia Family Services
Sacramento, California
Find John Shaff'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.
John J. Shaff is a physician assistant in Sacramento, California
John Shaff practices at Koinonia Family Services in Sacramento, California.
John Shaff's NPI, 1114084316, was assigned on January 3, 2007. John Shaff holds Arizona license 3149.
- NPI
- 1114084316NPI Registry (opens in a new tab)
- NPI enumeration date
- January 3, 2007
- NPI status
- Active
- Practice phone
- (619) 326-4222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
John J. Shaff practices at Koinonia Family Services in Sacramento, California
John Shaff's primary practice is Koinonia Family Services, at 2201 K St, Sacramento, CA 95816 in Sacramento County. The practice phone is (619) 326-4222.
- Koinonia Family Services2201 K St, Sacramento, CA 95816 · Sacramento CountyPhone(619) 326-4222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John J. Shaff is affiliated with 2 sites of care and 1 medical group
John Shaff's primary practice is Koinonia Family Services in Sacramento, California. The medical group on file is Stockton Dermatology. Dmand AI also links John Shaff to 1 more group practice or clinic, 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 John J. Shaff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Shaff practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Koinonia Family Services | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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John J. Shaff is one of 11,482 physician assistants in California
Physician assistant is John Shaff's primary specialty in the NPI Registry, under taxonomy code 363A00000X. John Shaff is licensed in Arizona.
Specialties and state licenses
- Physician assistant, ArizonaPrimary
Physician assistants near John Shaff
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
John J. Shaff's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts John Shaff's median patient age at 63, with 39% women.
John Shaff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women39%
- Men59%
Source: Dmand AI Patient Panel Data
John J. Shaff wrote 457 Medicare Part D claims in 2024
In 2024, John Shaff wrote 457 Medicare Part D claims for 207 patients. 98% of them were for generic drugs.
John Shaff's Part D claims by kind of drug, 2024
- Generic446 claims98%
- Brand-name11 claims2%
Drug classes CMS tracks in John Shaff's Part D claims, 2024
- Antibiotics12%56 of 457 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
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
John J. Shaff received $806 in industry payments in 2025
CMS Open Payments shows 32 general payments to John Shaff from 16 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Organon LLC paid the most, $158.
Companies that paid John Shaff the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John J. Shaff'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 John J. Shaff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John J. Shaff's NPI number?
John J. Shaff's NPI number is 1114084316. It was assigned on January 3, 2007, and it is active in the NPI Registry.
What does John J. Shaff specialize in?
John J. Shaff is a physician assistant in Sacramento, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John J. Shaff practice?
John Shaff practices at 2201 K St, Sacramento, CA 95816. John Shaff's primary practice is Koinonia Family Services in Sacramento, California. Dmand AI also links John Shaff to 1 group practice or clinic.
What is John J. Shaff's office phone number?
The practice phone on file for John Shaff is (619) 326-4222.
What is John J. Shaff's medical license number?
John Shaff holds Arizona license 3149.
What medical group is John J. Shaff part of?
John Shaff is linked to Stockton Dermatology.
Has John J. Shaff received payments from drug or device companies?
CMS Open Payments shows $806 in general payments to John Shaff from 16 companies from 2025 to 2025. The largest total came from Organon LLC.
How long has John J. Shaff been practicing?
John Shaff's NPI was assigned in 2007.
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