Yolanda Marcos, MD
NPI 1104845445 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yolanda Marcos, MD is a Internal Medicine Physician provider in San Antonio, TX (NPI 1104845445).
Provider details
- NPI number
- 1104845445
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- K3612 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
9,648 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,389 | $121 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 748 | $16 |
| Test for Allergy Using Allergenic Extract95004 | 744 | $3 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 663 | $60 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 585 | $124 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, Each Additional 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 150 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 510 | 157 |
| Rosuvastatin Calcium | 430 | 133 |
| Amlodipine Besylate | 387 | 120 |
| Rsvpref3 Antigen/As01e/Pfbrand: Arexvy | 341 | 314 |
| Levothyroxine Sodium | 298 | 104 |
| Lisinopril | 270 | 89 |
| Varicella-Zoster Ge/As01b/Pf |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,499 across 87 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2022-04-14
- Certified
- 2022-04-14
Frequently asked questions
- What is Yolanda Marcos's NPI number?
- Yolanda Marcos's National Provider Identifier (NPI) is 1104845445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yolanda Marcos's specialty?
- Yolanda Marcos is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yolanda Marcos located?
- Yolanda Marcos's practice location on file with NPPES is 510 Med Court, San Antonio, TX 78258-3936.
- What is Yolanda Marcos's phone number?
- The practice phone number listed in the NPPES registry for Yolanda Marcos is (210) 494-4290.
- Does Yolanda Marcos accept Medicare?
- Yolanda Marcos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yolanda Marcos's NPI active?
- Yes — Yolanda Marcos's NPI (1104845445) is active in the NPPES registry as of the last update on 2022-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.