Dr. Ruth Fernandez Ruiz, MD
- Part D claims, 2021
- 71
- Publications
- 3
- Industry payments
- $463
- Insurance carriers
- 5
- State licenses
- 2
- Practice address
- 535 E 70th St, New York, NY 10021
- Practice phone
- Call (212) 606-1398
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hospital for Special Surgery
New York, New York
Find Dr. Fernandez Ruiz'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.
Dr. Ruth Fernandez Ruiz is a rheumatologist in New York, New York
Dr. Fernandez Ruiz practices at Hospital for Special Surgery in New York, New York.
Dr. Fernandez Ruiz's NPI, 1083099063, was assigned on July 20, 2015. Dr. Fernandez Ruiz graduated from Central University of Venezuela in 2009. Dr. Fernandez Ruiz holds New York license 298576.
- NPI
- 1083099063NPI Registry (opens in a new tab)
- NPI enumeration date
- July 20, 2015
- NPI status
- Active
- Practice phone
- (212) 606-1398
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Ruth Fernandez Ruiz practices at Hospital for Special Surgery in New York, New York
Dr. Fernandez Ruiz's primary practice is Hospital for Special Surgery, at 535 E 70th St, New York, NY 10021 in New York County. The practice phone is (212) 606-1398.
- Hospital for Special Surgery535 E 70th St, New York, NY 10021 · New York CountyPhone(212) 606-1398
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ruth Fernandez Ruiz is affiliated with 1 site of care
Dr. Fernandez Ruiz's primary practice is Hospital for Special Surgery in New York, New York.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Ruth Fernandez Ruiz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fernandez Ruiz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital for Special Surgery | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ruth Fernandez Ruiz is one of 514 rheumatologists in New York
Rheumatology is Dr. Fernandez Ruiz's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Fernandez Ruiz is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Fernandez Ruiz's licenses on file in 2 states: New York and Iowa.
Specialties and state licenses
- Rheumatology, New YorkPrimary
- Internal medicine, Iowa
Rheumatologists near Dr. Fernandez Ruiz
Counts of rheumatologists 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. Ruth Fernandez Ruiz wrote 71 Medicare Part D claims in 2021
In 2021, Dr. Fernandez Ruiz wrote 71 Medicare Part D claims. They cover 4 drugs, with $33,194 in total drug cost. In 2020, CMS named 120 claims across 7 drugs.
Dr. Fernandez Ruiz's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 1202021: 7141%
Drugs named by CMS: 4 in 2021, 7 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ruth Fernandez Ruiz has 3 publications on record
Dmand AI links 3 papers to Dr. Fernandez Ruiz, published from 2020 to 2023. Dr. Fernandez Ruiz's most frequent co-authors are Jill P. Buyon, MD, Rebecca H. Haberman, MD and Peter M. Izmirly, MD.
Dr. Fernandez Ruiz's papers by year, 2020 to 2023
Dr. Fernandez Ruiz's most frequent co-authors
- Jill P. Buyon, MD1 shared paper
- Rebecca H. Haberman, MD1 shared paper
- Peter M. Izmirly, MD1 shared paper
Recent publications by Dr. Fernandez Ruiz
See who Dr. Fernandez Ruiz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fernandez Ruiz works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ruth Fernandez Ruiz received $463 in industry payments from 2018 to 2023
CMS Open Payments shows 8 general payments to Dr. Fernandez Ruiz from 5 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $154.
General payments to Dr. Fernandez Ruiz by program year, 2018 to 2023
Companies that paid Dr. Fernandez Ruiz the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ruth Fernandez Ruiz has 1 award and honors on record
Dmand AI lists 1 award for Dr. Fernandez Ruiz, most recently Rheumatology Fellow of the year in 2019.
Awards and honors for Dr. Fernandez Ruiz
- 2019
- Rheumatology Fellow of the year
Source: Dmand AI Professional Profile Data
Dr. Ruth Fernandez Ruiz graduated from Central University of Venezuela
Dr. Fernandez Ruiz graduated from Central University of Venezuela in 2009. Dr. Fernandez Ruiz is a member of ACP, ACR and AMA.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Ruth Fernandez Ruiz accepts plans from 5 insurance carriers
Dr. Fernandez Ruiz is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- NY State Medicaid
Plan types Dr. Fernandez Ruiz accepts, by number of carriers
- PPO4
- HMO2
- Medicare2
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ruth Fernandez Ruiz'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Ruth Fernandez Ruiz
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. Ruth Fernandez Ruiz's NPI number?
Dr. Ruth Fernandez Ruiz's NPI number is 1083099063. It was assigned on July 20, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Ruth Fernandez Ruiz?
Dr. Ruth Fernandez Ruiz is a rheumatologist in New York, New York. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Ruth Fernandez Ruiz practice?
Dr. Fernandez Ruiz practices at 535 E 70th St, New York, NY 10021. Dr. Fernandez Ruiz's primary practice is Hospital for Special Surgery in New York, New York.
What is Dr. Ruth Fernandez Ruiz's office phone number?
The practice phone on file for Dr. Fernandez Ruiz is (212) 606-1398.
What is Dr. Ruth Fernandez Ruiz's medical license number?
Dr. Fernandez Ruiz holds New York license 298576, one of the licenses on file in 2 states.
Which states has Dr. Ruth Fernandez Ruiz been licensed in?
Dmand AI has state licenses on file for Dr. Fernandez Ruiz in New York (2019 to 2026) and Iowa (2015 to 2018).
Is Dr. Ruth Fernandez Ruiz board certified?
Yes. Dr. Fernandez Ruiz is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Ruth Fernandez Ruiz go to medical school?
Dr. Fernandez Ruiz graduated from Central University of Venezuela in 2009.
What drugs does Dr. Ruth Fernandez Ruiz prescribe most?
In 2021 Medicare Part D data, Dr. Fernandez Ruiz's most prescribed drugs by claims were Methotrexate, Leflunomide and Meloxicam.
Has Dr. Ruth Fernandez Ruiz received payments from drug or device companies?
CMS Open Payments shows $463 in general payments to Dr. Fernandez Ruiz from 5 companies from 2018 to 2023. The largest total came from Eli Lilly and Company.
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How long has Dr. Ruth Fernandez Ruiz been practicing?
Dr. Fernandez Ruiz graduated from medical school in 2009, 17 years ago.
Does Dr. Ruth Fernandez Ruiz do research?
Dmand AI links 3 publications to Dr. Fernandez Ruiz, published from 2020 to 2023.
Who does Dr. Ruth Fernandez Ruiz publish with?
Dr. Fernandez Ruiz's most frequent co-authors are Jill P. Buyon, MD (1 shared paper), Rebecca H. Haberman, MD (1 shared paper) and Peter M. Izmirly, MD (1 shared paper).
What insurance does Dr. Ruth Fernandez Ruiz accept?
Dr. Fernandez Ruiz is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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