Reginald Martin Tatco
- Medicare patients, 2024
- 397
- Part D claims, 2024
- 386
- MIPS score, 2024
- 81
- Hospital affiliations
- 1
- Industry payments
- $38
- Practice address
- 24051 Newhall Ranch Rd, Valencia, CA 91355
- Practice phone
- Call (661) 254-6364
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Orthopedic Institute
Valencia, California
Find Reginald Tatco'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.
Reginald Martin Tatco is a physician assistant in Valencia, California
Reginald Tatco practices at Southern California Orthopedic Institute in Valencia, California.
Reginald Tatco's NPI, 1871226373, was assigned on July 3, 2022. Reginald Tatco graduated from University of Southern California Keck School of Medicine in 2023. Reginald Tatco holds California license 62858.
- NPI
- 1871226373NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193187789
- NPI enumeration date
- July 3, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (661) 254-6364
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Reginald Martin Tatco practices at Southern California Orthopedic Institute in Valencia, California
Reginald Tatco's primary practice is Southern California Orthopedic Institute, at 24051 Newhall Ranch Rd, Valencia, CA 91355 in Los Angeles County. The practice phone is (661) 254-6364.
- Southern California Orthopedic Institute24051 Newhall Ranch Rd, Valencia, CA 91355 · Los Angeles CountyPhone(661) 254-6364
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Reginald Martin Tatco is affiliated with 4 sites of care and 2 medical groups
Reginald Tatco's primary practice is Southern California Orthopedic Institute in Valencia, California. Reginald Tatco is also affiliated with Henry Mayo Newhall Hospital. The medical group on file is UCLA Health. Dmand AI also links Reginald Tatco to 1 more group practice or clinic, 1 ambulatory surgery center and 1 medical group, each 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 Reginald Martin Tatco's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Reginald Tatco practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Orthopedic Institute | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Reginald Martin Tatco is one of 11,482 physician assistants in California
Physician assistant is Reginald Tatco's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Reginald Tatco is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Reginald Tatco
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
Reginald Martin Tatco treated 397 Medicare patients in 2024, average age 73
CMS counts 397 Medicare patients who saw Reginald Tatco in 2024. The largest group is 65 to 74, with 214 patients. 75% of them have arthritis, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Reginald Tatco's median patient age at 62, with 52% women.
Reginald Tatco's Medicare patients by age, 2024
Reginald Tatco's Medicare patients by sex, 2024
- Women24862%
- Men14938%
Chronic conditions among Reginald Tatco's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure71%
- Diabetes34%
- Ischemic heart disease34%
- Anxiety24%
- Mood disorders24%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
Reginald Tatco's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Reginald Martin Tatco wrote 386 Medicare Part D claims in 2024
In 2024, Reginald Tatco wrote 386 Medicare Part D claims for 180 patients. 100% of them were for generic drugs.
Reginald Tatco's Part D claims by kind of drug, 2024
- Generic385 claims100%
- Brand-name and other1 claims0%
Drug classes CMS tracks in Reginald Tatco's Part D claims, 2024
- Opioids23%88 of 386 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
Reginald Martin Tatco scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Reginald Tatco for performance year 2024, reported as part of a group. Reginald Tatco accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Reginald Tatco's MIPS scores, performance year 2024
- 81of 100Final score
- 68.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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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Reginald Martin Tatco received $38 in industry payments in 2025
CMS Open Payments shows 2 general payments to Reginald Tatco from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bioventus LLC paid the most, $20.
Companies that paid Reginald Tatco the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Reginald Martin Tatco graduated from University of Southern California Keck School of Medicine
Reginald Tatco graduated from University of Southern California Keck School of Medicine in 2023.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Reginald Martin Tatco'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 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) |
| 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 Reginald Martin Tatco
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Reginald Martin Tatco's NPI number?
Reginald Martin Tatco's NPI number is 1871226373. It was assigned on July 3, 2022, and it is active in the NPI Registry.
What does Reginald Martin Tatco specialize in?
Reginald Martin Tatco is a physician assistant in Valencia, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Reginald Martin Tatco practice?
Reginald Tatco practices at 24051 Newhall Ranch Rd, Valencia, CA 91355. Reginald Tatco's primary practice is Southern California Orthopedic Institute in Valencia, California. Dmand AI also links Reginald Tatco to 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.
What is Reginald Martin Tatco's office phone number?
The practice phone on file for Reginald Tatco is (661) 254-6364.
What is Reginald Martin Tatco's medical license number?
Reginald Tatco holds California license 62858.
Which hospitals is Reginald Martin Tatco affiliated with?
Reginald Tatco is affiliated with Henry Mayo Newhall Hospital.
What medical group is Reginald Martin Tatco part of?
Reginald Tatco is linked to UCLA Health. Dmand AI links Reginald Tatco to 1 more medical group.
Does Reginald Martin Tatco accept Medicare?
Yes. CMS lists Reginald Tatco as accepting Medicare assignment.
What is Reginald Martin Tatco's MIPS score?
Reginald Tatco's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Reginald Martin Tatco see?
CMS counts 397 Medicare patients who saw Reginald Tatco in 2024, with an average age of 73.
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Where did Reginald Martin Tatco go to medical school?
Reginald Tatco graduated from University of Southern California Keck School of Medicine in 2023.
Has Reginald Martin Tatco received payments from drug or device companies?
CMS Open Payments shows $38 in general payments to Reginald Tatco from 2 companies from 2025 to 2025. The largest total came from Bioventus LLC.
How long has Reginald Martin Tatco been practicing?
Reginald Tatco graduated from medical school in 2023, 3 years ago.
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