Mark Allen Dresbach, MD
Obstetrics & Gynecology Physician · Fallbrook, CA
Mark Allen Dresbach, MD is an obstetrics & gynecology physician with a practice address in Fallbrook, California, and NPI 1831188044, issued on Oct 19, 2005. Check the license (California A89315, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Allen Dresbach
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A89315 CA
Self-reported in NPPES; status is on the state search - Practice location
- 113 S Vine St, Fallbrook, CA 92028
- Phone
- (760) 723-2313
- Enumerated
- Oct 19, 2005
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (760) 723-0333
- Medicare enrollment
- Enrolled (PECOS I20050818000359); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 113 S Vine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence Pearson, MDObstetrics & Gynecology Physician1538234190
- Evelyn Silk, NURSE PRACTITIONERWomen's Health Nurse Practitioner1427268689
Verify Mark Allen Dresbach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89315Check 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 obstetrics & gynecology physician in 2024
46 Medicare Part D claims for 22 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol26 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 GroupRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Allen Dresbach among 5,088 obstetrics & gynecology physician records in California
Mark Allen Dresbach, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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, 95% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2001 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 obstetrics & gynecology physician records list a practice address in Fallbrook
They are 7 of the 372 NPPES records with a practice address in Fallbrook, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Fallbrook → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Enchanta Jenkins, M.D.Fallbrook, CA 920281285604702
- John Nguyen, M.D.Fallbrook, CA 920281306078522
- Lawrence Pearson, MDFallbrook, CA 920281538234190
- Theresa Stigen, M.D.Fallbrook, CA 920281851572986
- Dinh Vu, M.D.Fallbrook, CA 920281730113242
- Richard Zalar, MDFallbrook, CA 920281609105519
- Justin Bergh, DOEscondido, CA 920291336646751
- Alan Lasnover, M.D.Escondido, CA 920291720296148
Common questions
What is Mark Allen Dresbach, MD's NPI number?
Mark Allen Dresbach, MD's National Provider Identifier (NPI) is 1831188044, issued on Oct 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Allen Dresbach, MD located?
The NPPES record lists a practice address at 113 S Vine St, Fallbrook, CA, 92028. Phone: (760) 723-2313. Providers update this record themselves, so call before visiting.
How can I verify Mark Allen Dresbach, MD's license?
NPPES lists California license number A89315, 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 Allen Dresbach, MD prescribe under Medicare Part D?
In 2024, Mark Allen Dresbach, MD had 46 Medicare Part D claims for 22 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.