Daniel Hogan Slack, MD
Internal Medicine Physician · Fairfield, CA
Daniel Hogan Slack, MD is an internal medicine physician with a practice address in Fairfield, California, and NPI 1952864027, issued on Apr 7, 2019. Check the license (California 176336, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Daniel Hogan Slack
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 176336 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 Bodin Circle, Fairfield, CA 94533
- Phone
- (707) 423-3000
- Enumerated
- Apr 7, 2019
- Record last updated
- Sep 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20230316002214); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2019
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 101 Bodin Circle
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diane Tonnu, PHARMDPharmacist1013920586
Verify Daniel Hogan Slack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 176336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sutter Valley Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Hogan Slack among 17,696 internal medicine physician records in California
Daniel Hogan Slack, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2019 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 internal medicine physician records list a practice address in Fairfield
They are 54 of the 3,595 NPPES records with a practice address in Fairfield, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Fairfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sumera Ahmed, MDFairfield, CA 945331134180219
- Nail Amro, M.D.Fairfield, CA 945331861413551
- Shulan Ding, MDFairfield, CA 945331811075351
- Daniel Green, MDFairfield, CA 945331386731602
- Svetlana Gutierrez, M.D.Fairfield, CA 945331619990637
- Jane Hewitt, MDFairfield, CA 945331629156526
- James Horodyski, M.D.Fairfield, CA 945331184710063
- Matthew Johnson, MDFairfield, CA 945331659487395
Common questions
What is Daniel Hogan Slack, MD's NPI number?
Daniel Hogan Slack, MD's National Provider Identifier (NPI) is 1952864027, issued on Apr 7, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Hogan Slack, MD located?
The NPPES record lists a practice address at 101 Bodin Circle, Fairfield, CA, 94533. Phone: (707) 423-3000. Providers update this record themselves, so call before visiting.
How can I verify Daniel Hogan Slack, MD's license?
NPPES lists California license number 176336, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.