Mark Howard Biscow, MD
Internal Medicine Physician · Santa Monica, CA
Mark Howard Biscow, MD is an internal medicine physician with a practice address in Santa Monica, California, and NPI 1871510354, issued on Jul 17, 2006. Check the license (California G049268, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Howard Biscow
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G049268 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2121 Wilshire Blvd, Santa Monica, CA 90403
- Phone
- (310) 264-0065
- Enumerated
- Jul 17, 2006
- Record last updated
- Jan 26, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (310) 829-3424
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2121 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Howard Biscow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G049268Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,185 Medicare Part D claims for 232 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium149 claims
- Rosuvastatin Calcium135 claims
- Levothyroxine Sodium93 claims
- Montelukast Sodium81 claims
- Synthroid65 claims
- Losartan Potassium56 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 Howard Biscow among 17,696 internal medicine physician records in California
Mark Howard Biscow, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2010 · 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).
168 internal medicine physician records list a practice address in Santa Monica
They are 168 of the 5,151 NPPES records with a practice address in Santa Monica, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Monica → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Harvey Alpern, MDSanta Monica, CA 904031235291741
- John Andrews, M.D.Santa Monica, CA 904031447262126
- James Dahlgren, M.D.Santa Monica, CA 904031487852117
- Monya De, MD, MPHSanta Monica, CA 904031275726655
- Teresa Dean, M.D.Santa Monica, CA 904031255538781
- Joel Isackson, MDSanta Monica, CA 904031285640680
- Stephen Kania, M.D.Santa Monica, CA 904031851594469
- Nurit Korn, MDSanta Monica, CA 904031154554061
Common questions
What is Mark Howard Biscow, MD's NPI number?
Mark Howard Biscow, MD's National Provider Identifier (NPI) is 1871510354, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Howard Biscow, MD located?
The NPPES record lists a practice address at 2121 Wilshire Blvd, Santa Monica, CA, 90403. Phone: (310) 264-0065. Providers update this record themselves, so call before visiting.
How can I verify Mark Howard Biscow, MD's license?
NPPES lists California license number G049268, 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 Howard Biscow, MD prescribe under Medicare Part D?
In 2024, Mark Howard Biscow, MD had 2,185 Medicare Part D claims for 232 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.