IndividualActive
Mark Susskind, MD
NPI 1003996950 · Urology Physician · Fairfield, CA
Mark Susskind, MD is a Urology Physician provider in Fairfield, CA (NPI 1003996950).
Provider details
- NPI number
- 1003996950
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G63205 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1234 Empire St
Fairfield, CA 94533-5711
Phone: (707) 426-3911
Fax: (707) 434-2043
Street-level locationGet directions
Mailing address
10470 Old Placerville Rd
Sacramento, CA 95827-2539
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2015-05-26
Frequently asked questions
- What is Mark Susskind's NPI number?
- Mark Susskind's National Provider Identifier (NPI) is 1003996950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Susskind's specialty?
- Mark Susskind is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Susskind located?
- Mark Susskind's practice location on file with NPPES is 1234 Empire St, Fairfield, CA 94533-5711.
- What is Mark Susskind's phone number?
- The practice phone number listed in the NPPES registry for Mark Susskind is (707) 426-3911.
- Is Mark Susskind's NPI active?
- Yes — Mark Susskind's NPI (1003996950) is active in the NPPES registry as of the last update on 2015-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.