Mary Antoniette Ambach, M.D.
Pain Medicine (Physical Medicine & Rehabilitation) Physician · Encinitas, CA
Mary Antoniette Ambach, M.D. is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Encinitas, California, and NPI 1083769566, issued on Jan 24, 2007. Check the license (California A108622, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mary Antoniette Ambach
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
- License number
- A108622 CA
Self-reported in NPPES; status is on the state search - Practice location
- 285 N EL Camino Real Ste 110, Encinitas, CA 92024
- Phone
- (858) 225-1922
- Enumerated
- Jan 24, 2007
- Record last updated
- Nov 12, 2024
- Fax
- (858) 327-9656
- Medicare enrollment
- Enrolled (PECOS I20110428000141); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pain medicine (physical medicine & rehabilitation) physician records → All 290 in California → Look up another NPI →
Verify Mary Antoniette Ambach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A108622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average pain medicine (physical medicine & rehabilitation) physician in 2024
109 Medicare Part D claims for 51 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 34 claims were for opioids.
Most prescribed
- Gabapentin37 claims
- Hydrocodone-Acetaminophen13 claims
- Acetaminophen-Codeine11 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.
Mary Antoniette Ambach among 290 pain medicine (physical medicine & rehabilitation) physician records in California
Mary Antoniette Ambach, M.D. is one of 290 pain medicine (physical medicine & rehabilitation) physician records with a practice address in California. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2000 · median 2005 among the 196 with a school on file
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in California
There are 290 pain medicine (physical medicine & rehabilitation) physician records in California.
All 290 in California → Every provider in Encinitas → Pain Medicine (Physical Medicine & Rehabilitation) Physician nationwide →
The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes
- Brian Belnap, D.O.Encinitas, CA 920241457360448
- Roger Kasendorf, D.O.La Jolla, CA 920371356371884
- Hai-Yan Li, M.D.La Jolla, CA 920371669688420
- Sandip Madhav, M.D.Carlsbad, CA 920111780903492
- Christopher Rogers, M.D.Carlsbad, CA 920111205896370
- Seyed Tahaei, M.D.Carlsbad, CA 920111275845133
- Merideth BylCarlsbad, CA 920091912580812
- Kevin Barrette, M.D.Oceanside, CA 920541851785299
Common questions
What is Mary Antoniette Ambach, M.D.'s NPI number?
Mary Antoniette Ambach, M.D.'s National Provider Identifier (NPI) is 1083769566, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Antoniette Ambach, M.D. located?
The NPPES record lists a practice address at 285 N EL Camino Real Ste 110, Encinitas, CA, 92024. Phone: (858) 225-1922. Providers update this record themselves, so call before visiting.
How can I verify Mary Antoniette Ambach, M.D.'s license?
NPPES lists California license number A108622, 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 Mary Antoniette Ambach, M.D. prescribe under Medicare Part D?
In 2024, Mary Antoniette Ambach, M.D. had 109 Medicare Part D claims for 51 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. 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.