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Internal Medicine

Harbhajan S. Parmar, MD

Works at hospitals in Cleveland, OH · Euclid, OH · Mayfield Heights, OH … · Ohio

Summary

Dr. Harbhajan S. Parmar, MD is an internal medicine doctor at 36100 Euclid Ave, Suite 350, Willoughby, OH 44094. Phone: (440) 946-8300. Accepts Medicare assignment. In 2024, Harbhajan S. Parmar had 568 Original Medicare patients and 3,666 services. NPI 1003842824. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 36100 Euclid Ave, Suite 350, Willoughby, OH 44094 · Directions
  • Phone: (440) 946‑8300
  • Medicare: Accepts Medicare assignment
  • Hospitals: Cleveland Clinic, Euclid Hospital, Hillcrest Hospital and 2 more
  • Group practice: Atrium Medical Group Inc
  • Medical school: graduated 1996 (30 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Harbhajan S. Parmar, 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 Harbhajan S. Parmar accept Medicare assignment?
Yes. Medicare's clinician data says Harbhajan S. Parmar 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 Harbhajan S. Parmar see?
In 2024, CMS data shows 568 Original Medicare patients and 3,666 services for Harbhajan S. Parmar. This counts Original Medicare only and measures volume, not quality.
What is Harbhajan S. Parmar's NPI number?
1003842824. 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 Harbhajan S. Parmar, 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 patients568
Services billed to Medicare3,666
Different services or procedures57
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)1,367 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)546 services
  3. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)341 services
  4. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)216 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)167 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%
  • Arthritis66%
  • Chronic kidney disease51%
  • Heart failure48%
  • Ischemic heart disease47%

Hospitals where Harbhajan S. Parmar works

Medicare's Facility Affiliation Data lists Harbhajan S. Parmar 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.

  • Cleveland ClinicCleveland, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360180
  • Euclid HospitalEuclid, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 360082
  • Hillcrest HospitalMayfield Heights, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 360230
  • Lake HealthConcord, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360098
  • UH Cleveland Medical CenterCleveland, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360137

Practice locations

Addresses where Harbhajan S. Parmar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Harbhajan S. Parmar as a member of this group (CMS data updated October 2, 2026).

  • Atrium Medical Group Inc14 clinicians in the group

Specialties

Find other Internal Medicine doctors in Ohio →

Other internal medicine doctors in Willoughby

Clinicians with the same Medicare primary specialty in Willoughby, OH — not a recommendation.

All internal medicine doctors in Willoughby →

Other clinicians in Atrium Medical Group Inc

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

Clinician information

CredentialMD
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003842824
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