Dr. Marianne Hernandez, MD
- Medicare services, 2024
- 20
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 3,492
- Hospital affiliations
- 1
- Industry payments
- $8,691
- Practice address
- 455 St Michael's Drive, Santa Fe, NM 87505
- Practice phone
- Call (505) 983-3361
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hernandez's professional email, personal email and mobile number
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Dr. Marianne Hernandez is an endocrinologist in Santa Fe, New Mexico
Dr. Hernandez practices at CHRISTUS St. Vincent Regional Medical Center in Santa Fe, New Mexico, part of CHRISTUS Health.
Dr. Hernandez's NPI, 1861669178, was assigned on May 15, 2008. Dr. Hernandez holds Puerto Rico license 17121.
- NPI
- 1861669178NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981771342
- NPI enumeration date
- May 15, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (505) 983-3361
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marianne Hernandez practices at CHRISTUS St. Vincent Regional Medical Center in Santa Fe, New Mexico
Dr. Hernandez's primary practice is CHRISTUS St. Vincent Regional Medical Center, at 455 St Michael's Drive, Santa Fe, NM 87505 in Santa Fe County. The practice phone is (505) 983-3361.
- CHRISTUS St. Vincent Regional Medical Center455 St Michael's Drive, Santa Fe, NM 87505 · Santa Fe CountyPhone(505) 983-3361
Source: Dmand AI Affiliation Data
Dr. Marianne Hernandez is affiliated with 2 sites of care and 1 medical group
Dr. Hernandez's primary practice is CHRISTUS St. Vincent Regional Medical Center in Santa Fe, New Mexico, part of CHRISTUS Health. The medical group on file is Salus Guaynabo. Dmand AI also links Dr. Hernandez to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marianne Hernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hernandez practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CHRISTUS St. Vincent Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marianne Hernandez is one of 49 endocrinologists in New Mexico
Endocrinology, diabetes and metabolism is Dr. Hernandez's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Hernandez is licensed in Puerto Rico.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, Puerto RicoPrimary
Endocrinologists near Dr. Hernandez
Counts of endocrinologists 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
Dr. Marianne Hernandez billed Medicare for 20 services in 2024
CMS data shows 20 Medicare services from Dr. Hernandez across 1 procedure code in 2024, all of them office visits, for 19 Medicare patients. Medicare paid $1,591 for them. Every service was in an office.
Dr. Hernandez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 282024: 2029%
Dr. Hernandez compared with the New Mexico median for endocrinologists, 2024
- Dr. Hernandez
- New Mexico median
- Medicare services
- 20vs 35194% below
- Medicare patients
- 19vs 18590% below
- Part D claims
- 3,263vs 6185.3 times
Medians across 45 endocrinologists in New Mexico with Dmand AI profiles that report each measure.
Dr. Hernandez'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hernandez and other endocrinologists in New Mexico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marianne Hernandez treated 19 Medicare patients in 2024, average age 73
CMS counts 19 Medicare patients who saw Dr. Hernandez in 2024. 75% of them have diabetes, and 75% have high cholesterol. Their average risk score is 0.81, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hernandez's median patient age at 58, with 50% women.
Chronic conditions among Dr. Hernandez's Medicare patients, 2024
- Diabetes75%
- High cholesterol75%
- High blood pressure74%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hernandez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marianne Hernandez wrote 3,492 Medicare Part D claims in 2024
In 2024, Dr. Hernandez wrote 3,492 Medicare Part D claims for 337 patients. 18% of them were for generic drugs. CMS names the drug for 3,263 of them, across 38 drugs with 11 or more claims each, at $1,766,907 in total drug cost. In 2023, CMS named 2,868 claims across 40 drugs.
Dr. Hernandez's Part D claims by kind of drug, 2024
- Generic635 claims18%
- Brand-name2,603 claims75%
- Other254 claims7%
Dr. Hernandez'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,8682024: 3,26314%
Drugs named by CMS: 38 in 2024, 40 in 2023.
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
How Dr. Marianne Hernandez takes part in Medicare
Dr. Hernandez 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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Dr. Marianne Hernandez received $8,691 in industry payments from 2016 to 2025
CMS Open Payments shows 284 general payments to Dr. Hernandez from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 79% of the total. Merck Sharp & Dohme Corporation paid the most, $2,285.
General payments to Dr. Hernandez by program year, 2016 to 2025
General payments to Dr. Hernandez by kind, 2016 to 2025
- Food and beverage$6,89179%
- Consulting fees$1,70020%
- Education$1001%
Companies that paid Dr. Hernandez the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marianne Hernandez'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 | Doctors and Clinicians National Downloadable File (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 Dr. Marianne Hernandez
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marianne Hernandez's NPI number?
Dr. Marianne Hernandez's NPI number is 1861669178. It was assigned on May 15, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Marianne Hernandez?
Dr. Marianne Hernandez is an endocrinologist in Santa Fe, New Mexico. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Marianne Hernandez practice?
Dr. Hernandez practices at 455 St Michael's Drive, Santa Fe, NM 87505. Dr. Hernandez's primary practice is CHRISTUS St. Vincent Regional Medical Center in Santa Fe, New Mexico, part of CHRISTUS Health. Dmand AI also links Dr. Hernandez to 1 group practice or clinic.
What is Dr. Marianne Hernandez's office phone number?
The practice phone on file for Dr. Hernandez is (505) 983-3361.
What is Dr. Marianne Hernandez's medical license number?
Dr. Hernandez holds Puerto Rico license 17121.
Which hospitals is Dr. Marianne Hernandez affiliated with?
Dr. Hernandez practices at CHRISTUS St. Vincent Regional Medical Center in Santa Fe, New Mexico.
What medical group is Dr. Marianne Hernandez part of?
Dr. Hernandez is linked to Salus Guaynabo.
Does Dr. Marianne Hernandez accept Medicare?
Yes. CMS data shows Dr. Hernandez billed Medicare for 20 services in 2024, and Dr. Hernandez accepts Medicare assignment.
How many Medicare patients does Dr. Marianne Hernandez see?
CMS counts 19 Medicare patients who saw Dr. Hernandez in 2024, with an average age of 73.
What services does Dr. Marianne Hernandez bill to Medicare?
In 2024, Dr. Hernandez's most billed Medicare services were office visit, established patient (99214).
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What drugs does Dr. Marianne Hernandez prescribe most?
In 2024 Medicare Part D data, Dr. Hernandez's most prescribed drugs by claims were Synthroid, Mounjaro and Ozempic.
Has Dr. Marianne Hernandez received payments from drug or device companies?
CMS Open Payments shows $8,691 in general payments to Dr. Hernandez from 18 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Marianne Hernandez been practicing?
Dr. Hernandez graduated from medical school in 2002, 24 years ago.
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