Quick answers
- Does Enayatullah Niazi accept Medicare assignment?
- Yes. Medicare's clinician data says Enayatullah Niazi 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 Enayatullah Niazi see?
- In 2024, CMS data shows 442 Original Medicare patients and 1,339 services for Enayatullah Niazi. This counts Original Medicare only and measures volume, not quality.
- What is Enayatullah Niazi's NPI number?
- 1609404748. 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 Enayatullah Niazi, 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 patients | 442 |
|---|---|
| Services billed to Medicare | 1,339 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)377 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)249 services
- Hospital discharge day management, more than 30 minutes (99239)160 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)136 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)95 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%
- Diabetes53%
- Chronic kidney disease51%
- Arthritis48%
- Heart failure42%
Hospitals where Enayatullah Niazi works
Medicare's Facility Affiliation Data lists Enayatullah Niazi 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.
- NorthBay Medical CenterFairfield, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050367
- Sutter Amador HospitalJackson, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050014
Practice locations
Addresses where Enayatullah Niazi is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Nut Tree RdVacaville, CA 95687 (707) 624‑7000
- 1200 B Gale Wilson BlvdFairfield, CA 94533 (707) 429‑3600
- 200 Mission BlvdJackson, CA 95642 (916) 733‑3777
- 7275 E Southgate Dr, Suite 102Sacramento, CA 95823 (916) 244‑4464
- 815 Court StJackson, CA 95642
Group practices
Medicare enrollment lists Enayatullah Niazi as a member of these groups (CMS data updated October 2, 2026).
- Sutter Valley Medical Foundation2,500 clinicians in the group
- NorthBay Physicians Surgery Center, LLC324 clinicians in the group
- Niazi Family Medicine and Urgent Care Inc2 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Vacaville
Clinicians with the same Medicare primary specialty in Vacaville, CA — not a recommendation.
Other clinicians in Sutter Valley Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1609404748 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians