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Internal Medicine

Noushin Haddad Tehrani, MD

Works at hospitals in Concord, CA · Walnut Creek, CA · California

Summary

Dr. Noushin Haddad Tehrani, MD is an internal medicine doctor at 2621 Shadelands Dr, Walnut Creek, CA 94598. Phone: (925) 947-0417. Accepts Medicare assignment. In 2024, Noushin Haddad Tehrani had 485 Original Medicare patients and 1,799 services. NPI 1215988878. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Noushin Haddad Tehrani, 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 Noushin Haddad Tehrani accept Medicare assignment?
Yes. Medicare's clinician data says Noushin Haddad Tehrani 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 Noushin Haddad Tehrani see?
In 2024, CMS data shows 485 Original Medicare patients and 1,799 services for Noushin Haddad Tehrani. This counts Original Medicare only and measures volume, not quality.
What is Noushin Haddad Tehrani's NPI number?
1215988878. 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 Noushin Haddad Tehrani, 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 patients485
Services billed to Medicare1,799
Different services or procedures37
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)575 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)309 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)204 services
  4. 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's (G2211)136 services
  5. Urinalysis, manual test (81002)58 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 cholesterol66%
  • High blood pressure64%
  • Arthritis36%
  • Osteoporosis28%
  • Chronic kidney disease18%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)18%

Hospitals where Noushin Haddad Tehrani works

Medicare's Facility Affiliation Data lists Noushin Haddad Tehrani 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 Noushin Haddad Tehrani is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Noushin Haddad Tehrani as a member of this group (CMS data updated October 2, 2026).

  • John Muir Physician Network494 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Walnut Creek

Clinicians with the same Medicare primary specialty in Walnut Creek, CA — not a recommendation.

All internal medicine doctors in Walnut Creek →

Other clinicians in John Muir Physician Network

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

Clinician information

CredentialMD
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1215988878
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