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Critical Care (Intensivists)

Nazir J. Habib, MD

Works at hospitals in Clearlake, CA · California

Summary

Dr. Nazir J. Habib, MD is a critical care doctor at 1 Marcela Dr, Willits, CA 95490. Phone: (707) 459-6801. Accepts Medicare assignment. In 2024, Nazir J. Habib had 24 Original Medicare patients and 55 services. NPI 1033261250. 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: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 1 Marcela Dr, Willits, CA 95490 · Directions (5 more locations)
  • Phone: (707) 459‑6801
  • Medicare: Accepts Medicare assignment
  • Hospital: Adventist Health Clearlake
  • Group practice: Medical Specialists Associates PC
  • Medical school: graduated 1977 (49 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 Nazir J. Habib, 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 Nazir J. Habib accept Medicare assignment?
Yes. Medicare's clinician data says Nazir J. Habib 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 Nazir J. Habib see?
In 2024, CMS data shows 24 Original Medicare patients and 55 services for Nazir J. Habib. This counts Original Medicare only and measures volume, not quality.
What is Nazir J. Habib's NPI number?
1033261250. 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 Nazir J. Habib, 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 patients24
Services billed to Medicare55
Different services or procedures3
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Telehealth consultation, critical care, subsequent, physicians typically spend 50 minutes communicating with the patient and providers via telehealth (G0509)36 services
  2. Telehealth consultation, critical care, initial , physicians typically spend 60 minutes communicating with the patient and providers via telehealth (G0508)15 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%
  • COPD58%
  • Heart failure58%
  • Ischemic heart disease54%
  • Diabetes46%

Hospitals where Nazir J. Habib works

Medicare's Facility Affiliation Data lists Nazir J. Habib 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.

  • Adventist Health ClearlakeClearlake, CA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 051317

Practice locations

Addresses where Nazir J. Habib is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Nazir J. Habib as a member of this group (CMS data updated October 2, 2026).

  • Medical Specialists Associates PC8 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in California →

Other critical care doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All critical care doctors in California →

Other clinicians in Medical Specialists Associates PC

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

Clinician information

CredentialMD
Graduation year1977 (49 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1033261250
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