Ronald Ramon Simpson, PA-C
- Medicare services, 2024
- 58
- Medicare patients, 2024
- 58
- Part D claims, 2024
- 241
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 1800 N California St, Stockton, CA 95204
- Practice phone
- Call (209) 943-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Ronald Simpson'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.
Ronald Ramon Simpson is a physician assistant in Stockton, California
Ronald Simpson practices at Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health.
Ronald Simpson's NPI, 1043828262, was assigned on July 14, 2020. Ronald Simpson holds California license 58718.
- NPI
- 1043828262NPI Registry (opens in a new tab)
- NPI enumeration date
- July 14, 2020
- NPI status
- Active
- Practice phone
- (209) 943-2000
- 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 Affiliation Data
Ronald Ramon Simpson practices at Dignity Health - St. Joseph's Medical Center in Stockton, California
Ronald Simpson's primary practice is Dignity Health - St. Joseph's Medical Center, at 1800 N California St, Stockton, CA 95204 in San Joaquin County. The practice phone is (209) 943-2000.
- Dignity Health - St. Joseph's Medical Center1800 N California St, Stockton, CA 95204 · San Joaquin CountyPhone(209) 943-2000
Source: Dmand AI Affiliation Data
Ronald Ramon Simpson is affiliated with 2 sites of care and 2 medical groups
Ronald Simpson's primary practice is Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health. The medical group on file is Vituity. Dmand AI also links Ronald Simpson 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 Ronald Ramon Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ronald Simpson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - St. Joseph's 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 CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.
Ronald Ramon Simpson is one of 11,482 physician assistants in California
Physician assistant is Ronald Simpson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Ronald Simpson is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists asthma among the conditions Ronald Simpson treats.
Physician assistants near Ronald Simpson
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
Ronald Ramon Simpson billed Medicare for 58 services in 2024
CMS data shows 58 Medicare services from Ronald Simpson across 2 procedure codes in 2024, for 58 Medicare patients. Medicare paid $5,988 for them. Every service was in a facility, such as a hospital, rather than an office.
Ronald Simpson compared with the California median for physician assistants, 2024
- Ronald Simpson
- California median
- Medicare services
- 58vs 20472% below
- Medicare patients
- 58vs 10545% below
- Part D claims
- 111vs 24354% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Ronald Simpson'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.
Need commercial claims for Ronald Simpson?
Medicare shows one payer. Book a meeting to get commercial claims data for Ronald Simpson and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Ronald Ramon Simpson treated 58 Medicare patients in 2024, average age 65
CMS counts 58 Medicare patients who saw Ronald Simpson in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 64% have high cholesterol. 78% are also on Medicaid. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Ronald Simpson's median patient age at 29, with 52% women.
Ronald Simpson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Ronald Simpson's Medicare patients by sex, 2024
- Women3357%
- Men2543%
Chronic conditions among Ronald Simpson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol64%
- Arthritis45%
- Diabetes43%
- Anxiety38%
- Mood disorders36%
- Tobacco use33%
- COPD29%
Share of Medicare patients with each condition. A patient can have several.
Ronald Simpson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 29
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ronald Ramon Simpson wrote 241 Medicare Part D claims in 2024
In 2024, Ronald Simpson wrote 241 Medicare Part D claims for 144 patients. 88% of them were for generic drugs. CMS names the drug for 111 of them, across 6 drugs with 11 or more claims each, at $1,021 in total drug cost.
Ronald Simpson's Part D claims by kind of drug, 2024
- Generic213 claims88%
- Brand-name28 claims12%
Ronald Simpson'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 Ronald Simpson's Part D claims, 2024
- Antibiotics25%60 of 241 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
Ronald Ramon Simpson scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Ronald Simpson for performance year 2024, reported as part of a group.
Ronald Simpson's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Ronald Ramon Simpson'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 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) |
| 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 Ronald Ramon Simpson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ronald Ramon Simpson's NPI number?
Ronald Ramon Simpson's NPI number is 1043828262. It was assigned on July 14, 2020, and it is active in the NPI Registry.
What does Ronald Ramon Simpson specialize in?
Ronald Ramon Simpson is a physician assistant in Stockton, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Ronald Ramon Simpson practice?
Ronald Simpson practices at 1800 N California St, Stockton, CA 95204. Ronald Simpson's primary practice is Dignity Health - St. Joseph's Medical Center in Stockton, California, part of CommonSpirit Health. Dmand AI also links Ronald Simpson to 1 group practice or clinic and 1 medical group.
What is Ronald Ramon Simpson's office phone number?
The practice phone on file for Ronald Simpson is (209) 943-2000.
What is Ronald Ramon Simpson's medical license number?
Ronald Simpson holds California license 58718.
Which hospitals is Ronald Ramon Simpson affiliated with?
Ronald Simpson practices at Dignity Health - St. Joseph's Medical Center in Stockton, California.
What medical group is Ronald Ramon Simpson part of?
Ronald Simpson is linked to Vituity. Dmand AI links Ronald Simpson to 1 more medical group.
Does Ronald Ramon Simpson accept Medicare?
Yes. CMS data shows Ronald Simpson billed Medicare for 58 services in 2024.
What is Ronald Ramon Simpson's MIPS score?
Ronald Simpson's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Ronald Ramon Simpson see?
CMS counts 58 Medicare patients who saw Ronald Simpson in 2024, with an average age of 65.
Show 3 more questionsShow fewer questions
What services does Ronald Ramon Simpson bill to Medicare?
In 2024, Ronald Simpson's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
What drugs does Ronald Ramon Simpson prescribe most?
In 2024 Medicare Part D data, Ronald Simpson's most prescribed drugs by claims were Cephalexin, Albuterol Sulfate Hfa and Prednisone.
How long has Ronald Ramon Simpson been practicing?
Ronald Simpson's NPI was assigned in 2020.
Selling to physician assistant practices?
See physician assistants in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card