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Infectious Disease

Merilda O. Blanco-Guzman, MD

Works at hospitals in Louisville, KY · Kentucky

Summary

Dr. Merilda O. Blanco-Guzman, MD is an infectious disease doctor at 200 E Chestnut St, Louisville, KY 40202. Phone: (502) 629-7661. Accepts Medicare assignment. In 2024, Merilda O. Blanco-Guzman had 177 Original Medicare patients and 480 services. NPI 1962684993. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Infectious disease doctor (Medicare lists Infectious Disease)
  • Address: 200 E Chestnut St, Louisville, KY 40202 · Directions (3 more locations)
  • Phone: (502) 629‑7661
  • Medicare: Accepts Medicare assignment
  • Hospital: Norton Hospitals, Inc
  • Group practice: Community Medical Associates Inc
  • Medical school: graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Merilda O. Blanco-Guzman, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Merilda O. Blanco-Guzman accept Medicare assignment?
Yes. Medicare's clinician data says Merilda O. Blanco-Guzman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Merilda O. Blanco-Guzman see?
In 2024, CMS data shows 177 Original Medicare patients and 480 services for Merilda O. Blanco-Guzman. This counts Original Medicare only and measures volume, not quality.
What is Merilda O. Blanco-Guzman's NPI number?
1962684993. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Merilda O. Blanco-Guzman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients177
Services billed to Medicare480
Different services or procedures9
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)272 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)99 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)77 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)27 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis65%
  • Chronic kidney disease59%
  • Diabetes55%
  • Ischemic heart disease54%

Hospitals where Merilda O. Blanco-Guzman works

Medicare's Facility Affiliation Data lists Merilda O. Blanco-Guzman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Merilda O. Blanco-Guzman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Merilda O. Blanco-Guzman as a member of this group (CMS data updated October 2, 2026).

  • Community Medical Associates Inc1,372 clinicians in the group

Specialties

Find other Infectious Disease doctors in Kentucky →

Other infectious disease doctors in Louisville

Clinicians with the same Medicare primary specialty in Louisville, KY — not a recommendation.

All infectious disease doctors in Louisville →

Other clinicians in Community Medical Associates Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1962684993
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians