Mark Charles Niblack, M.D.
Anesthesiology Physician · San Diego, CA
Mark Charles Niblack, M.D. is an anesthesiology physician with a practice address in San Diego, California, and NPI 1619292133, issued on Mar 29, 2010. Check the license (California G54641, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Charles Niblack
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G54641 CA
Self-reported in NPPES; status is on the state search - Practice location
- 411 W Robinson Ave, San Diego, CA 92103
- Phone
- (619) 692-1267
- Enumerated
- Mar 29, 2010
- Record last updated
- Mar 7, 2023
- Medicaid ID
- 00G546410 CA
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Verify Mark Charles Niblack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G54641Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average anesthesiology physician in 2024
38 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Mark Charles Niblack among 7,571 anesthesiology physician records in California
Mark Charles Niblack, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
686 anesthesiology physician records list a practice address in San Diego
They are 686 of the 52,937 NPPES records with a practice address in San Diego, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in San Diego → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Wendy Abramson, MDSan Diego, CA 921031568439644
- Jonathan Benumof, MDSan Diego, CA 921031194771816
- Dustin Coyle, MDSan Diego, CA 921031194777235
- Brent Fundingsland, M.D.San Diego, CA 921031831166560
- Michael Gibbs, MDSan Diego, CA 921031376595926
- Justin Heil, M.D., PHDSan Diego, CA 921031710932223
- Sidney Merritt, MDSan Diego, CA 921031881691772
- Richard O'Leary, MDSan Diego, CA 921031275585937
Common questions
What is Mark Charles Niblack, M.D.'s NPI number?
Mark Charles Niblack, M.D.'s National Provider Identifier (NPI) is 1619292133, issued on Mar 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mark Charles Niblack, M.D. located?
The NPPES record lists a practice address at 411 W Robinson Ave, San Diego, CA, 92103. Phone: (619) 692-1267. Providers update this record themselves, so call before visiting.
How can I verify Mark Charles Niblack, M.D.'s license?
NPPES lists California license number G54641, 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.
How much does Mark Charles Niblack, M.D. prescribe under Medicare Part D?
In 2024, Mark Charles Niblack, M.D. had 38 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.
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.