Jonathan M. Guy, MSPAS, PA-C
- Medicare patients, 2024
- 64
- Part D claims, 2024
- 3,350
- MIPS score, 2024
- 91
- Hospital affiliations
- 4
- Industry payments
- $150
- Practice address
- 2315 Stockton Boulevard, Sacramento, CA 95817
- Practice phone
- Call (916) 734-2011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jonathan Guy'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.
Jonathan M. Guy is a physician assistant in Sacramento, California
Jonathan Guy practices at UC Davis Medical Center in Sacramento, California, part of University of California Health.
Jonathan Guy's NPI, 1447799457, was assigned on February 23, 2017. Jonathan Guy holds California license 55950.
- NPI
- 1447799457NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062784424
- NPI enumeration date
- February 23, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 734-2011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jonathan M. Guy practices at UC Davis Medical Center in Sacramento, California
Jonathan Guy's primary practice is UC Davis Medical Center, at 2315 Stockton Boulevard, Sacramento, CA 95817 in Sacramento County. The practice phone is (916) 734-2011.
- UC Davis Medical Center2315 Stockton Boulevard, Sacramento, CA 95817 · Sacramento CountyPhone(916) 734-2011
Source: Dmand AI Affiliation Data
Jonathan M. Guy is affiliated with 7 sites of care and 1 medical group
Jonathan Guy's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. Jonathan Guy is also affiliated with Adventist Health Ukiah Valley. The medical group on file is MCHC Health Centers. Dmand AI also links Jonathan Guy to 2 more hospitals, 2 home health agencies and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jonathan M. Guy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jonathan Guy practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UC Davis Medical Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Jonathan M. Guy is one of 2,381 physician assistants in California
Medical is Jonathan Guy's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Dmand AI has Jonathan Guy's licenses on file in 2 states: California and Ohio.
Specialties and state licenses
- Medical physician assistant, CaliforniaPrimary
- Physician assistant, Ohio
Physician assistants near Jonathan Guy
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
Jonathan M. Guy treated 64 Medicare patients in 2024, average age 69
CMS counts 64 Medicare patients who saw Jonathan Guy in 2024. The largest group is 65 to 74, with 32 patients. 61% of them have high blood pressure, and 61% have high cholesterol. 78% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Jonathan Guy's median patient age at 56, with 61% women.
Jonathan Guy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Jonathan Guy's Medicare patients by sex, 2024
- Women3859%
- Men2641%
Chronic conditions among Jonathan Guy's Medicare patients, 2024
- High blood pressure61%
- High cholesterol61%
- Diabetes52%
- Arthritis44%
- Mood disorders31%
- Anxiety30%
- Tobacco use30%
- COPD28%
Share of Medicare patients with each condition. A patient can have several.
Jonathan Guy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jonathan M. Guy wrote 3,350 Medicare Part D claims in 2024
In 2024, Jonathan Guy wrote 3,350 Medicare Part D claims for 393 patients. 87% of them were for generic drugs.
Jonathan Guy's Part D claims by kind of drug, 2024
- Generic2,922 claims87%
- Brand-name408 claims12%
- Other20 claims1%
Drug classes CMS tracks in Jonathan Guy's Part D claims, 2024
- Opioids3%110 of 3,350 claims
- Antibiotics1%40 of 3,350 claims
- Antipsychotics, patients 65 and over0%16 of 3,350 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
Jonathan M. Guy scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Jonathan Guy for performance year 2024, reported as part of a group. Jonathan Guy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Jonathan Guy's MIPS scores, performance year 2024
- 91of 100Final score
- 94of 100Quality
- 92of 100Promoting Interoperability
- 40of 100Improvement Activities
- 65of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Jonathan M. Guy received $150 in industry payments in 2025
CMS Open Payments shows 1 general payment to Jonathan Guy from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $150.
Companies that paid Jonathan Guy 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 Jonathan M. Guy'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Jonathan M. Guy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jonathan M. Guy's NPI number?
Jonathan M. Guy's NPI number is 1447799457. It was assigned on February 23, 2017, and it is active in the NPI Registry.
What does Jonathan M. Guy specialize in?
Jonathan M. Guy is a physician assistant in Sacramento, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Jonathan M. Guy practice?
Jonathan Guy practices at 2315 Stockton Boulevard, Sacramento, CA 95817. Jonathan Guy's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. Dmand AI also links Jonathan Guy to 2 hospitals, 2 home health agencies and 1 community health center.
What is Jonathan M. Guy's office phone number?
The practice phone on file for Jonathan Guy is (916) 734-2011.
What is Jonathan M. Guy's medical license number?
Jonathan Guy holds California license 55950, one of the licenses on file in 2 states.
Which states has Jonathan M. Guy been licensed in?
Dmand AI has state licenses on file for Jonathan Guy in California and Ohio.
Which hospitals is Jonathan M. Guy affiliated with?
Jonathan Guy practices at UC Davis Medical Center in Sacramento, California. Jonathan Guy is also affiliated with Adventist Health Ukiah Valley. Dmand AI links Jonathan Guy to 2 more hospitals.
What medical group is Jonathan M. Guy part of?
Jonathan Guy is linked to MCHC Health Centers.
Does Jonathan M. Guy accept Medicare?
Yes. CMS lists Jonathan Guy as accepting Medicare assignment.
What is Jonathan M. Guy's MIPS score?
Jonathan Guy's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
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How many Medicare patients does Jonathan M. Guy see?
CMS counts 64 Medicare patients who saw Jonathan Guy in 2024, with an average age of 69.
Has Jonathan M. Guy received payments from drug or device companies?
CMS Open Payments shows $150 in general payments to Jonathan Guy from 1 company from 2025 to 2025. The largest total came from Abbott Laboratories.
How long has Jonathan M. Guy been practicing?
Jonathan Guy graduated from medical school in 2017, 9 years ago.
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