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Allergy/Immunology

Mandel R. Sher, MD

Works at hospitals in Clearwater, FL · Florida

Summary

Dr. Mandel R. Sher, MD is an allergist and immunologist at 11200 Seminole Blvd, Suite 310, Largo, FL 33778. Phone: (727) 397-8557. Accepts Medicare assignment. In 2024, Mandel R. Sher had 339 Original Medicare patients and 8,749 services. NPI 1386603108. 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: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 11200 Seminole Blvd, Suite 310, Largo, FL 33778 · Directions (3 more locations)
  • Phone: (727) 397‑8557
  • Medicare: Accepts Medicare assignment
  • Hospital: Morton Plant Hospital
  • Group practice: University Medical Service Association Inc (+1 more)
  • Medical school: Northwestern University Feinberg Medical School · graduated 1976 (50 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Mandel R. Sher, 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 Mandel R. Sher accept Medicare assignment?
Yes. Medicare's clinician data says Mandel R. Sher 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 Mandel R. Sher see?
In 2024, CMS data shows 339 Original Medicare patients and 8,749 services for Mandel R. Sher. This counts Original Medicare only and measures volume, not quality.
What is Mandel R. Sher's NPI number?
1386603108. 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 Mandel R. Sher, 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 patients339
Services billed to Medicare8,749
Different services or procedures25
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Test for allergy using allergenic extract (95004)4,047 services
  2. Test for allergy using allergenic extract injected into skin (95024)1,037 services
  3. Test for allergy using skin patch (95044)877 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)330 services
  5. Professional service for multiple injections of allergen (95117)216 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 cholesterol75%
  • High blood pressure69%
  • Arthritis53%
  • Asthma39%
  • COPD31%
  • Ischemic heart disease30%

Hospitals where Mandel R. Sher works

Medicare's Facility Affiliation Data lists Mandel R. Sher 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 Mandel R. Sher is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mandel R. Sher as a member of these groups (CMS data updated October 2, 2026).

  • University Medical Service Association Inc809 clinicians in the group
  • Florida Pediatric Associates, LLC35 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Florida →

Other allergist and immunologists in Largo

Clinicians with the same Medicare primary specialty in Largo, FL — not a recommendation.

All allergist and immunologists in Largo →

Other clinicians in University Medical Service Association Inc

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

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year1976 (50 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1386603108
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