Mark Dressner, M.D.
Adult Medicine Physician · Long Beach, CA
Mark Dressner, M.D. is an adult medicine physician with a practice address in Long Beach, California, and NPI 1306942073, issued on Sep 16, 2006. Check the license (California A49222, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Dressner
- Credential
- M.D.
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License number
- A49222 CA
Self-reported in NPPES; status is on the state search - Practice location
- 455 E Columbia St, Long Beach, CA 90806
- Phone
- (562) 933-0400
- Enumerated
- Sep 16, 2006
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (562) 933-0489
- Medicaid IDs
- 00A492220 CA
FHC11466F CA - Medicare enrollment
- Enrolled (PECOS I20160427002348); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult medicine physician records → All 386 in California → Look up another NPI →
Also registered at 455 E Columbia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Blake, D.D.S.Dentist1861510570
- Chi Lok Tiffany Chan, DDSPediatric Dentistry1205401866
- Maria Chandler, M.D.Specialist1174717862
- Thomas Chang, DDS, MSOrthodontics and Dentofacial Orthopedics Dentistry1184812190
- Jenny Kree Manimbo, FNPFamily Nurse Practitioner1528413903
- Shannon LyRehabilitation Practitioner1962895656
Verify Mark Dressner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A49222Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average adult medicine physician in 2024
853 Medicare Part D claims for 471 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D.
Most prescribed
- Meloxicam154 claims
- Albuterol Sulfate Hfa56 claims
- Alvesco52 claims
- Prednisone43 claims
- Cephalexin30 claims
- Triamcinolone Acetonide29 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupHarbor City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Dressner among 386 adult medicine physician records in California
Mark Dressner, M.D. is one of 386 adult medicine physician records with a practice address in California. 69% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1988 · median 2005 among the 187 with a school on file
- Record last updated2021 · 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 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Medicine Physician providers in California
There are 386 adult medicine physician records in California.
All 386 in California → Every provider in Long Beach → Adult Medicine Physician nationwide →
The 8 adult medicine physician records with the nearest ZIP codes
- Eing-Min Chang, M.D.Long Beach, CA 908061447356621
- Abigail Fletcher, M.D.Long Beach, CA 908061700982493
- Matthew Long, D.O.Long Beach, CA 908061851406243
- Jeffrey Luther, M.D.Long Beach, CA 908061750487591
- David LauLong Beach, CA 908041205281870
- Brian Kawasaki, M.D.Long Beach, CA 908131982969838
- Tammy Miller, M.D.Long Beach, CA 908131447445218
- Yogina Desai, M.D.Carson, CA 907451790043545
Common questions
What is Mark Dressner, M.D.'s NPI number?
Mark Dressner, M.D.'s National Provider Identifier (NPI) is 1306942073, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Dressner, M.D. located?
The NPPES record lists a practice address at 455 E Columbia St, Long Beach, CA, 90806. Phone: (562) 933-0400. Providers update this record themselves, so call before visiting.
How can I verify Mark Dressner, M.D.'s license?
NPPES lists California license number A49222, 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 Dressner, M.D. prescribe under Medicare Part D?
In 2024, Mark Dressner, M.D. had 853 Medicare Part D claims for 471 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.