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Dr. Yolanda Marcos, MD
NPI1104845445PAC ID4688771082
- Medicare services, 2024
- 10,314
- Medicare patients, 2024
- 869
- Part D claims, 2024
- 9,601
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 510 Med Ct, San Antonio, TX 78258
- Practice phone
- Call (210) 494-4290
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yolanda Marcos MD PA
San Antonio, Texas
Find Dr. Marcos' 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. Yolanda Marcos is an internist in San Antonio, Texas
Dr. Marcos practices at Yolanda Marcos MD PA in San Antonio, Texas.
Dr. Marcos' NPI, 1104845445, was assigned on July 18, 2006. Dr. Marcos graduated from Joe R. & Teresa Lozano Long School of Medicine in 1996. Dr. Marcos holds Texas license K3612.
NPI and contact details
- NPI
- 1104845445NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688771082
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (210) 494-4290
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yolanda Marcos practices at Yolanda Marcos MD PA in San Antonio, Texas
Dr. Marcos' primary practice is Yolanda Marcos MD PA, at 510 Med Ct, San Antonio, TX 78258 in Bexar County. The practice phone is (210) 494-4290.
- Yolanda Marcos MD PA510 Med Ct, San Antonio, TX 78258 · Bexar CountyPhone(210) 494-4290
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Yolanda Marcos is affiliated with 8 sites of care and 1 medical group
Dr. Marcos' primary practice is Yolanda Marcos MD PA in San Antonio, Texas. Dr. Marcos is also affiliated with Baptist Medical Center. The medical group on file is Marcos Medical Care. Dmand AI also links Dr. Marcos to 5 more home health agencies and 1 group practice or clinic, each named with a free account.
Yolanda Marcos MD PAPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Yolanda Marcos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marcos practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yolanda Marcos MD PA | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Yolanda Marcos is one of 8,437 internists in Texas
Internal medicine is Dr. Marcos' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Marcos is board certified in internal medicine by the American Board of Internal Medicine. Dr. Marcos is licensed in Texas.
Specialties and state licenses
- Internal medicine, TexasPrimary
Clinical focus
Dmand AI lists acid reflux, acne, acute gastroduodenitis, acute sinusitis, acute skin infection, ADHD, alzheimer's disease and aneurysm among the conditions Dr. Marcos treats.
Internists near Dr. Marcos
Counts of internists 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. Yolanda Marcos billed Medicare for 10,314 services in 2024
CMS data shows 10,314 Medicare services from Dr. Marcos across 40 procedure codes in 2024, for 869 Medicare patients. Medicare paid $570,883 for them. Every service was in an office.
Medicare services, 202410,314
Medicare patients869
Paid by Medicare$570,883
Procedure codes40
Dr. Marcos' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4,6202024: 4,7342%
- Other services
- 2023: 2,3092024: 2,80822%
- Tests and treatments
- 2023: 2,1462024: 2,2666%
- Lab and pathology
- 2023: 1492024: 347133%
- Surgery
- 2023: 1082024: 12516%
- Drugs given in the office
- 2023: 352024: 343%
Dr. Marcos compared with the Texas median for internists, 2024
- Dr. Marcos
- Texas median
- Medicare services
- 10,314vs 53919.1 times
- Medicare patients
- 869vs 1904.6 times
- Part D claims
- 8,692vs 28930.1 times
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Marcos' 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.
Need commercial claims for Dr. Marcos?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marcos and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yolanda Marcos treated 869 Medicare patients in 2024, average age 75
CMS counts 869 Medicare patients who saw Dr. Marcos in 2024. The largest group is 65 to 74, with 431 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marcos' median patient age at 64, with 70% women.
Medicare patients, 2024869
Average age75
Average risk score0.97
Also on Medicaid3%
Dr. Marcos' Medicare patients by age, 2024
Dr. Marcos' Medicare patients by sex, 2024
- Women59869%
- Men27131%
Chronic conditions among Dr. Marcos' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Chronic kidney disease27%
- Diabetes26%
- Mood disorders25%
- Depression23%
- Ischemic heart disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marcos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women70%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yolanda Marcos wrote 9,601 Medicare Part D claims in 2024
In 2024, Dr. Marcos wrote 9,601 Medicare Part D claims for 981 patients. 81% of them were for generic drugs. CMS names the drug for 8,692 of them, across 149 drugs with 11 or more claims each, at $829,457 in total drug cost. In 2023, CMS named 7,922 claims across 154 drugs.
Part D claims, 20249,601
Drugs named by CMS149
Total drug cost$829,457
Part D patients981
Dr. Marcos' Part D claims by kind of drug, 2024
- Generic7,780 claims81%
- Brand-name1,721 claims18%
- Other100 claims1%
Dr. Marcos' 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 Dr. Marcos' Part D claims, 2024
- Opioids2%226 of 9,601 claims
- Antibiotics1%97 of 9,601 claims
- Antipsychotics, patients 65 and over0%38 of 9,601 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,9222024: 8,69210%
Drugs named by CMS: 149 in 2024, 154 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
Dr. Yolanda Marcos offers telehealth to Medicare patients
Dr. Marcos accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marcos as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Yolanda Marcos has 2 publications on record
Dmand AI links 2 papers to Dr. Marcos in 2013. Dr. Marcos' most frequent co-authors are Liem C. Du, MD, Sandra Ann Esparza, MD and Stella Koretsky, MD.
Papers2
Dr. Marcos' most frequent co-authors
- Liem C. Du, MD2 shared papers
- Sandra Ann Esparza, MD2 shared papers
- Stella Koretsky, MD2 shared papers
Recent publications by Dr. Marcos
See who Dr. Marcos researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marcos works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Yolanda Marcos received $18,967 in industry payments from 2016 to 2025
CMS Open Payments shows 1,133 general payments to Dr. Marcos from 82 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,104.
General payments to Dr. Marcos by program year, 2016 to 2025
General payments to Dr. Marcos by kind, 2016 to 2025
$19Kin total
- Food and beverage$18,83699%
- Education$1301%
Companies that paid Dr. Marcos the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Yolanda Marcos has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Marcos, most recently Million Hearts Project in 2016.
Awards and honors for Dr. Marcos
- 2016
- Million Hearts Project
- 2012
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Yolanda Marcos graduated from Joe R. & Teresa Lozano Long School of Medicine
Dr. Marcos graduated from Joe R. & Teresa Lozano Long School of Medicine in 1996. Dr. Marcos is a member of ACP.
- Medical school
- Board certified in internal medicine
- Board certified in fellow of the american college of physicians
- Board certified in pcmh level 3
Source: Dmand AI Professional Profile Data
Dr. Yolanda Marcos accepts plans from 22 insurance carriers
Dr. Marcos is in network with 22 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Humana
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- +14 more carriersWith a free account
Plan types Dr. Marcos accepts, by number of carriers
- HMO13
- PPO12
- Medicare9
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Yolanda Marcos'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 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)Doctors and Clinicians Utilization Data (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. Yolanda Marcos
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. Yolanda Marcos' NPI number?
Dr. Yolanda Marcos' NPI number is 1104845445. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Yolanda Marcos?
Dr. Yolanda Marcos is an internist in San Antonio, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Yolanda Marcos practice?
Dr. Marcos practices at 510 Med Ct, San Antonio, TX 78258. Dr. Marcos' primary practice is Yolanda Marcos MD PA in San Antonio, Texas. Dmand AI also links Dr. Marcos to 5 home health agencies and 1 group practice or clinic.
What is Dr. Yolanda Marcos' office phone number?
The practice phone on file for Dr. Marcos is (210) 494-4290.
What is Dr. Yolanda Marcos' medical license number?
Dr. Marcos holds Texas license K3612.
Which hospitals is Dr. Yolanda Marcos affiliated with?
Dr. Marcos is affiliated with Baptist Medical Center.
What medical group is Dr. Yolanda Marcos part of?
Dr. Marcos is linked to Marcos Medical Care.
Does Dr. Yolanda Marcos accept Medicare?
Yes. CMS data shows Dr. Marcos billed Medicare for 10,314 services in 2024, and Dr. Marcos accepts Medicare assignment.
Does Dr. Yolanda Marcos offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Marcos as offering telehealth services.
How many Medicare patients does Dr. Yolanda Marcos see?
CMS counts 869 Medicare patients who saw Dr. Marcos in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Yolanda Marcos board certified?
Yes. Dr. Marcos is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Yolanda Marcos bill to Medicare?
In 2024, Dr. Marcos' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and allergy test or treatment (95004).
Where did Dr. Yolanda Marcos go to medical school?
Dr. Marcos graduated from Joe R. & Teresa Lozano Long School of Medicine in 1996.
What drugs does Dr. Yolanda Marcos prescribe most?
In 2024 Medicare Part D data, Dr. Marcos' most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Yolanda Marcos received payments from drug or device companies?
CMS Open Payments shows $18,967 in general payments to Dr. Marcos from 82 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Yolanda Marcos been practicing?
Dr. Marcos graduated from medical school in 1996, 30 years ago.
Does Dr. Yolanda Marcos do research?
Dmand AI links 2 publications to Dr. Marcos.
Who does Dr. Yolanda Marcos publish with?
Dr. Marcos' most frequent co-authors are Liem C. Du, MD (2 shared papers), Sandra Ann Esparza, MD (2 shared papers) and Stella Koretsky, MD (2 shared papers).
What insurance does Dr. Yolanda Marcos accept?
Dr. Marcos is in network with 22 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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