Mariann Bregin, NP

  • Santa Fe, NM
  • Family nurse practitioner
NPI1215950449PAC ID0840207668
Medicare patients, 2024
150
Part D claims, 2024
2,715
Hospital affiliations
1
Industry payments
$19
Medical group
1
Practice address
5501 Herrera Dr, Santa Fe, NM 87507
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Christus St. Vincent Entrada Contenta Health Center

Santa Fe, New Mexico

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Mariann Bregin is a family nurse practitioner in Santa Fe, New Mexico

Mariann Bregin practices at Christus St. Vincent Entrada Contenta Health Center in Santa Fe, New Mexico.

Mariann Bregin's NPI, 1215950449, was assigned on July 26, 2006. Mariann Bregin holds New Mexico license R36389.

NPI and contact details
Medicare PAC ID
0840207668
NPI enumeration date
July 26, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Mariann Bregin practices at Christus St. Vincent Entrada Contenta Health Center in Santa Fe, New Mexico

Mariann Bregin's primary practice is Christus St. Vincent Entrada Contenta Health Center, at 5501 Herrera Dr, Santa Fe, NM 87507 in Santa Fe County.

  • Christus St. Vincent Entrada Contenta Health Center
    5501 Herrera Dr, Santa Fe, NM 87507 · Santa Fe County

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Mariann Bregin is affiliated with 3 sites of care and 1 medical group

Mariann Bregin's primary practice is Christus St. Vincent Entrada Contenta Health Center in Santa Fe, New Mexico. Mariann Bregin is also affiliated with CHRISTUS St. Vincent Regional Medical Center. The medical group on file is CHRISTUS St. Vincent Pediatrics. Dmand AI also links Mariann Bregin to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Mariann Bregin

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Mariann Bregin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mariann Bregin practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Christus St. Vincent Entrada Contenta Health CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Mariann Bregin is one of 1,351 family nurse practitioners in New Mexico

Family is Mariann Bregin's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Mariann Bregin is licensed in New Mexico.

Specialties and state licenses

  • Family nurse practitioner, New MexicoPrimaryLicense R36389 · taxonomy 363LF0000X

Family nurse practitioners near Mariann Bregin

Counts of family nurse practitioners 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

Mariann Bregin treated 150 Medicare patients in 2024, average age 71

CMS counts 150 Medicare patients who saw Mariann Bregin in 2024. The largest group is 65 to 74, with 100 patients. 48% of them have high blood pressure, and 47% have high cholesterol. 9% are also on Medicaid. Their average risk score is 0.72, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Mariann Bregin's median patient age at 59, with 70% women.

Medicare patients, 2024150
Average age71
Average risk score0.72
Also on Medicaid9%

Mariann Bregin's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Mariann Bregin's Medicare patients by sex, 2024

  • Women10671%
  • Men4429%

Chronic conditions among Mariann Bregin's Medicare patients, 2024

  1. High blood pressure48%
  2. High cholesterol47%
  3. Arthritis37%
  4. Diabetes29%
  5. Anxiety22%
  6. Mood disorders16%
  7. Cancer15%
  8. Depression13%

Share of Medicare patients with each condition. A patient can have several.

Mariann Bregin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women70%
  • Men29%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Mariann Bregin wrote 2,715 Medicare Part D claims in 2024

In 2024, Mariann Bregin wrote 2,715 Medicare Part D claims for 268 patients. 85% of them were for generic drugs.

Part D claims, 20242,715
Part D patients268

Mariann Bregin's Part D claims by kind of drug, 2024

  • Generic2,299 claims85%
  • Brand-name388 claims14%
  • Other28 claims1%

Drug classes CMS tracks in Mariann Bregin's Part D claims, 2024

  • Opioids3%83 of 2,715 claims
  • Antibiotics2%53 of 2,715 claims
  • Antipsychotics, patients 65 and over1%15 of 2,715 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

How Mariann Bregin takes part in Medicare

Mariann Bregin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Mariann Bregin received $19 in industry payments in 2025

CMS Open Payments shows 1 general payment to Mariann Bregin 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, $19.

Companies that paid Mariann Bregin the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Mariann Bregin

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Mariann Bregin's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mariann Bregin

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mariann Bregin's NPI number?

Mariann Bregin's NPI number is 1215950449. It was assigned on July 26, 2006, and it is active in the NPI Registry.

What does Mariann Bregin specialize in?

Mariann Bregin is a family nurse practitioner in Santa Fe, New Mexico. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Mariann Bregin practice?

Mariann Bregin practices at 5501 Herrera Dr, Santa Fe, NM 87507. Mariann Bregin's primary practice is Christus St. Vincent Entrada Contenta Health Center in Santa Fe, New Mexico. Dmand AI also links Mariann Bregin to 1 group practice or clinic.

What is Mariann Bregin's medical license number?

Mariann Bregin holds New Mexico license R36389.

Which hospitals is Mariann Bregin affiliated with?

Mariann Bregin is affiliated with CHRISTUS St. Vincent Regional Medical Center.

What medical group is Mariann Bregin part of?

Mariann Bregin is linked to CHRISTUS St. Vincent Pediatrics.

Does Mariann Bregin accept Medicare?

Yes. CMS lists Mariann Bregin as accepting Medicare assignment.

How many Medicare patients does Mariann Bregin see?

CMS counts 150 Medicare patients who saw Mariann Bregin in 2024, with an average age of 71.

Has Mariann Bregin received payments from drug or device companies?

CMS Open Payments shows $19 in general payments to Mariann Bregin from 1 company from 2025 to 2025. The largest total came from Abbott Laboratories.

How long has Mariann Bregin been practicing?

Mariann Bregin graduated from medical school in 2019, 7 years ago.

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