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Edit this profileAt a glance
- 1234 Empire St, Fairfield, CA 94533
About Dr. Sullivan
Mark S. Sullivan, M.D. is a healthcare provider in Fairfield, CA specializing in family practice. Mark trained at Albert Einstein College of Medicine of Yeshiva University, graduating in 1988. Mark is also listed as specializing in family medicine. Medicare claims data shows Mark provided 2,334 services to 1,380 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, 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', and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1871673723.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (707) 426-3911
- Email not available
Practice Locations
1234 EMPIRE ST
Fairfield, CA 94533
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
Senior Care
Sexual & Reproductive Health
- STD Swabs and Screening
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
2,334 services · 1,380 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax by washing | Procedure | 69209 |
13 | Less often than most peers in Family Practice |
| Influenza vaccine, inactivated | Treatment | 90653 |
93 | More than most peers in Family Practice |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
40 | More often than most peers in Family Practice |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
40 | More often than most peers in Family Practice |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
13 | Less often than most peers in Family Practice |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,047 | More than most peers in Family Practice |
| 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' | Billing code | G2211 |
571 | More than most peers in Family Practice |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
268 | More often than most peers in Family Practice |
| Administration of influenza virus vaccine | Billing code | G0008 |
106 | More than most peers in Family Practice |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
87 | As often as other peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Fairfield 8
Same specialty, same city.
Trained at Albert Einstein College of Medicine of Yeshiva University 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1988 at Albert Einstein College of Medicine of Yeshiva University 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax by washing 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Mark S. Sullivan's specialty?
Mark S. Sullivan is a family practice in Fairfield, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Mark S. Sullivan?
Mark S. Sullivan is listed at 1234 Empire St, Fairfield, CA 94533. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark S. Sullivan?
The number on file is (707) 426-3911. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark S. Sullivan?
Mark S. Sullivan's National Provider Identifier is 1871673723. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Mark S. Sullivan's education?
Mark S. Sullivan attended Albert Einstein College of Medicine of Yeshiva University, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark S. Sullivan have?
Mark S. Sullivan has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What is Mark S. Sullivan known for?
According to Medicare billing data, Mark S. Sullivan performs procedures including removal of impacted ear wax by washing; provides treatments such as influenza vaccine, inactivated and sarscov2 vac 50 mcg/0.5ml im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark S. Sullivan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark S. Sullivan. If this is you, claiming it is free.
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