Healthcare professionals in Fairfield, CA

  • HCP directory
  • Fairfield, California
Healthcare professionals
3,623
Physicians (MD, DO)
455
Nurses and NPs
430
Physician assistants
53
Behavioral health clinicians
1,651

There are 455 physicians among 3,623 healthcare professionals in Fairfield. NorthBay Medical Center has the most affiliated doctors, 402, and internal medicine is the most common physician specialty.

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There are 455 physicians (MD and DO) among 3,623 healthcare professionals in Fairfield, CA

Counting every HCP with an active NPI and a Fairfield practice address. Behavioral health clinicians are the largest group, with 1,651, and nurses and nurse practitioners third, with 430.

Fairfield HCPs by type

  1. Behavioral health clinicians1,651
  2. Physicians (MD, DO)455
  3. Nurses and nurse practitioners430
  4. Home and community care workers334
  5. Non-clinical and support staff139
  6. Dentists and dental staff135
  7. Pharmacists91
  8. Therapists (PT and OT)85
  9. Athletic trainers66
  10. Physician assistants53
  11. Other HCPs184

Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data

Internal medicine is the most common physician specialty in Fairfield, with 52 physicians

Family medicine is second, with 51, and emergency medicine third, with 47. Each physician is counted once, under the primary specialty on their NPI record.

Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data

NorthBay Medical Center has the most affiliated doctors in Fairfield, with 402

Physicians are counted at each hospital where they have a current affiliation, wherever they live.

Hospitals in Fairfield with the most affiliated doctors
#HospitalHealth systemPhysiciansHCPs
1NorthBay Medical CenterFairfieldNorthBay Healthcare402535

Source: Dmand AI Affiliation Data

NorthBay Medical Center has the most doctors of any Fairfield medical group, with 380

Solano Gateway Medical Group, Inc. is second with 141 physicians, and NorthBay Health third with 137. Counts are physicians and HCPs with a California address.

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

For health IT teams

Reach Fairfield physicians by the EHR their practice uses

Dmand AI has the EHR for 1,516 of 3,623 Fairfield HCPs, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

Group practices and clinics are the most common site of care for Fairfield healthcare professionals, with 440

Hospitals are second, with 431. A clinician can practice at several kinds of site, so the shares overlap. Pharmacies are left out.

Fairfield HCPs by site of care

  1. Group practices and clinics440
  2. Hospitals431
  3. Clinical labs143
  4. FQHCs74
  5. Home health agencies54
  6. Physician offices46
  7. Behavioral health centers23
  8. Hospices19
  9. Ambulatory surgery centers13
  10. Skilled nursing facilities6

See every site where Fairfield HCPs practice

Each public profile names one place an HCP practices. A free account shows every current hospital, clinic and medical group, the employer and validated contacts for all 3,623.

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Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

25% of Fairfield physicians finished medical school 30 or more years ago

78 of the 308 Fairfield physicians with a graduation year on file. 50 graduated in the last 10 years.

Physicians by years since medical school

  1. Under 10 years ago50
  2. 10 to 19 years ago102
  3. 20 to 29 years ago78
  4. 30 to 39 years ago49
  5. 40 or more years ago29

Source: Dmand AI Professional Profile Data

Every Fairfield HCP profile shows where they practice now, their Medicare activity and their NPI details

  • Primary practiceThe main place they practice, with its type and cityOn every profile
  • Every site of careEach hospital, clinic and group where they practice nowWith a free account
  • EmployerThe organization they work for, when one is on fileWith a free account
  • Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
  • Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
  • Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
  • Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
  • Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
  • NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
  • Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
  • EHR in useThe EHR at each site where they practiceWith a free account
  • Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the Fairfield HCP directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data
Medical school graduation yearDmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracyRemove my information

The directory counts HCPs with an active individual NPI, a name and a Fairfield practice address.

FAQ

Frequently asked questions about doctors and healthcare professionals in Fairfield

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many doctors are in Fairfield?

455 physicians (MDs and DOs) have an active NPI and a Fairfield practice address, among 3,623 Fairfield healthcare professionals.

What are the most common physician specialties in Fairfield?

By primary specialty: internal medicine (52), family medicine (51), emergency medicine (47), anesthesiology (33), pediatrics (27).

Which medical groups have the most Fairfield doctors?

NorthBay Medical Center (380 physicians), Solano Gateway Medical Group, Inc. (141 physicians) and NorthBay Health (137 physicians). Counts are physicians with a California address.

How many Fairfield physicians finished medical school 30 or more years ago?

78 of the 308 with a graduation year on file, or 25%. 50 graduated in the last 10 years.

How can I contact healthcare professionals in Fairfield?

Dmand AI finds validated work emails, mobile numbers and practice phone numbers for healthcare professionals in Fairfield through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.

Dmand AI

Find the right contacts among Fairfield healthcare professionals

Search 3,623 Fairfield HCPs by specialty, hospital, group and city, with validated work emails and mobile numbers.

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