Rafael Alonso Jr., PA-C
- Part D claims, 2024
- 1,568
- Hospital affiliations
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 1400 E Church St, Santa Maria, CA 93454
- Practice phone
- Call (805) 739-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Rafael Alonso's professional email, personal email and mobile number
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Rafael Alonso Jr. is a physician assistant in Santa Maria, California
Rafael Alonso practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health.
Rafael Alonso's NPI, 1598160004, was assigned on October 27, 2014. Rafael Alonso holds California license 52072.
- NPI
- 1598160004NPI Registry (opens in a new tab)
- NPI enumeration date
- October 27, 2014
- NPI status
- Active
- Practice phone
- (805) 739-3100
- 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
Rafael Alonso Jr. practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California
Rafael Alonso's primary practice is Dignity Health - Marian Regional Medical Center, at 1400 E Church St, Santa Maria, CA 93454 in Santa Barbara County. The practice phone is (805) 739-3100.
- Dignity Health - Marian Regional Medical Center1400 E Church St, Santa Maria, CA 93454 · Santa Barbara CountyPhone(805) 739-3100
Source: Dmand AI Affiliation Data
Rafael Alonso Jr. is affiliated with 3 sites of care and 2 medical groups
Rafael Alonso's primary practice is Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health. The medical group on file is Community Health Centers of the Central Coast, Inc. Dmand AI also links Rafael Alonso to 1 more hospital, 1 community health center 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 Rafael Alonso Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rafael Alonso practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Marian Regional Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Rafael Alonso Jr. is one of 11,482 physician assistants in California
Physician assistant is Rafael Alonso's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Rafael Alonso is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Rafael Alonso is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Rafael Alonso
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
Rafael Alonso Jr.'s patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Rafael Alonso's median patient age at 48, with 58% women.
Rafael Alonso's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Rafael Alonso Jr. wrote 1,568 Medicare Part D claims in 2024
In 2024, Rafael Alonso wrote 1,568 Medicare Part D claims for 135 patients. 89% of them were for generic drugs. CMS names the drug for 1,236 of them, across 32 drugs with 11 or more claims each, at $53,012 in total drug cost.
Rafael Alonso's Part D claims by kind of drug, 2024
- Generic1,391 claims89%
- Brand-name163 claims10%
- Other14 claims1%
Rafael Alonso'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 Rafael Alonso's Part D claims, 2024
- Antibiotics1%15 of 1,568 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
For MedTech and pharma teams
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Rafael Alonso Jr. is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Rafael Alonso Jr.'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 Data |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Rafael Alonso Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Rafael Alonso Jr.'s NPI number?
Rafael Alonso Jr.'s NPI number is 1598160004. It was assigned on October 27, 2014, and it is active in the NPI Registry.
What does Rafael Alonso Jr. specialize in?
Rafael Alonso Jr. is a physician assistant in Santa Maria, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Rafael Alonso Jr. practice?
Rafael Alonso practices at 1400 E Church St, Santa Maria, CA 93454. Rafael Alonso's primary practice is Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health. Dmand AI also links Rafael Alonso to 1 hospital, 1 community health center and 1 medical group.
What is Rafael Alonso Jr.'s office phone number?
The practice phone on file for Rafael Alonso is (805) 739-3100.
What is Rafael Alonso Jr.'s medical license number?
Rafael Alonso holds California license 52072.
Which hospitals is Rafael Alonso Jr. affiliated with?
Rafael Alonso practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California. Dmand AI links Rafael Alonso to 1 more hospital.
What medical group is Rafael Alonso Jr. part of?
Rafael Alonso is linked to Community Health Centers of the Central Coast, Inc. Dmand AI links Rafael Alonso to 1 more medical group.
Is Rafael Alonso Jr. board certified?
Yes. Rafael Alonso is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does Rafael Alonso Jr. prescribe most?
In 2024 Medicare Part D data, Rafael Alonso's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
How long has Rafael Alonso Jr. been practicing?
Rafael Alonso's NPI was assigned in 2014.
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