Marcus Christopher, MD
Emergency Medicine Physician · San Antonio, TX
Marcus Christopher, MD is an emergency medicine physician with a practice address in San Antonio, Texas, and NPI 1922096908, issued on Oct 12, 2005. Check the license (Texas L1001, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marcus Christopher
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- L1001 TX
Self-reported in NPPES; status is on the state search - Practice location
- 111 Dallas St, San Antonio, TX 78205
- Phone
- (210) 297-7000
- Enumerated
- Oct 12, 2005
- Record last updated
- Nov 9, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid IDs
- 030406503 TX
030406505 TX - Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 111 Dallas St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marcus Christopher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L1001Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average emergency medicine physician in 2024
133 Medicare Part D claims for 16 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Tizanidine Hcl13 claims
- Escitalopram Oxalate11 claims
- Quetiapine Fumarate11 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.
Industry payments in 2024: $27.28
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Marcus Christopher among 4,885 emergency medicine physician records in Texas
Marcus Christopher, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2009 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
400 emergency medicine physician records list a practice address in San Antonio
They are 400 of the 37,749 NPPES records with a practice address in San Antonio, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in San Antonio → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jennifer Bradstreet, MDSan Antonio, TX 782051386653905
- Lance Brown, M.D.San Antonio, TX 782051114916061
- Kris Cameron, MDSan Antonio, TX 782051396764494
- James Davidson, MDSan Antonio, TX 782051629065438
- Byron Freemyer, M.D.San Antonio, TX 782051841280740
- Robert Hampton, M.D.San Antonio, TX 782051447244462
- Daren Hersh, M.D.San Antonio, TX 782051497729958
- Jeffrey Hoefle, M.D.San Antonio, TX 782051306831334
Common questions
What is Marcus Christopher, MD's NPI number?
Marcus Christopher, MD's National Provider Identifier (NPI) is 1922096908, issued on Oct 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marcus Christopher, MD located?
The NPPES record lists a practice address at 111 Dallas St, San Antonio, TX, 78205. Phone: (210) 297-7000. Providers update this record themselves, so call before visiting.
How can I verify Marcus Christopher, MD's license?
NPPES lists Texas license number L1001, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marcus Christopher, MD prescribe under Medicare Part D?
In 2024, Marcus Christopher, MD had 133 Medicare Part D claims for 16 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.