John Martin Roesler, M.D.
Specialist · Calabasas, CA
John Martin Roesler, M.D. is a specialist with a practice address in Calabasas, California, and NPI 1124037635, issued on Aug 5, 2006. Check the license (California A72319, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Martin Roesler
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A72319 CA
Self-reported in NPPES; status is on the state search - Practice location
- 24025 Park Sorrento, Calabasas, CA 91302
- Phone
- (818) 609-7200
- Enumerated
- Aug 5, 2006
- Record last updated
- Mar 31, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (855) 754-3775
- Medicare enrollment
- Enrolled (PECOS I20040624001277); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Verify John Martin Roesler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A72319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average specialist in 2024
73 Medicare Part D claims for 32 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
Most prescribed
- Ipratropium Bromide24 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: $1,114.75
46 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
John Martin Roesler among 5,749 specialist records in California
John Martin Roesler, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1998 · median 1989 among the 1,075 with a school on file
- Record last updated2021 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Calabasas → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Ronald Baum, M.D.Calabasas, CA 913021164412375
- Nader Javadi, M.D.Calabasas, CA 913021962405266
- Henry LubowCalabasas, CA 913021295938033
- Mehdi Mahmoodzadegan, M.D.Calabasas, CA 913021689853699
- Natalie Sampson, D.P.T.Calabasas, CA 913021982789145
- Karen Schiltz, PH.D.Calabasas, CA 913021851695035
- Andrea Brooke, MDAgoura Hills, CA 913011285922526
- William Colburn, M.D.Canoga Park, CA 913031194744847
Common questions
What is John Martin Roesler, M.D.'s NPI number?
John Martin Roesler, M.D.'s National Provider Identifier (NPI) is 1124037635, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Martin Roesler, M.D. located?
The NPPES record lists a practice address at 24025 Park Sorrento, Calabasas, CA, 91302. Phone: (818) 609-7200. Providers update this record themselves, so call before visiting.
How can I verify John Martin Roesler, M.D.'s license?
NPPES lists California license number A72319, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does John Martin Roesler, M.D. prescribe under Medicare Part D?
In 2024, John Martin Roesler, M.D. had 73 Medicare Part D claims for 32 beneficiaries; the average among specialist prescribers was 1,380. 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.