Donald B. Longjohn, M.D.
Adult Reconstructive Orthopaedic Surgery Physician · Los Angeles, CA
Donald B. Longjohn, M.D. is an adult reconstructive orthopaedic surgery physician with a practice address in Los Angeles, California, and NPI 1215949524, issued on Aug 13, 2006. Check the license (California G72658, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donald B. Longjohn
- Credential
- M.D.
- Primary taxonomy
- Adult Reconstructive Orthopaedic Surgery Physician 207XS0114X
- License number
- G72658 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1520 San Pablo St, Los Angeles, CA 90033
- Phone
- (323) 442-5860
- Enumerated
- Aug 13, 2006
- Record last updated
- Nov 27, 2023
- Fax
- (323) 442-6990
- Medicare enrollment
- Enrolled (PECOS I20090616000631); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult reconstructive orthopaedic surgery physician records → All 147 in California → Look up another NPI →
Also registered at 1520 San Pablo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jamshid Ahmadi, M.D.Neuroradiology Physician1942252028
- Mohammad Akmal, M.D.Nephrology Physician1356378087
Verify Donald B. Longjohn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G72658Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average adult reconstructive orthopaedic surgery physician in 2024
236 Medicare Part D claims for 102 beneficiaries, against an average of 579 among the 1,112 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Amoxicillin53 claims
- Diclofenac Sodium33 claims
- Mupirocin29 claims
- Oxycodone Hcl18 claims
- Meloxicam16 claims
- Celecoxib11 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: $103.21
2 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 1,060 providers of this specialty with any payment received $68,015.27 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.
Bills Medicare through one group practice
- Usc Care Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald B. Longjohn among 147 adult reconstructive orthopaedic surgery physician records in California
Donald B. Longjohn, M.D. is one of 147 adult reconstructive orthopaedic surgery physician records with a practice address in California. 88% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 68% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1990 · median 2009 among the 112 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0114X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Reconstructive Orthopaedic Surgery Physician providers in California
There are 147 adult reconstructive orthopaedic surgery physician records in California.
All 147 in California → Every provider in Los Angeles → Adult Reconstructive Orthopaedic Surgery Physician nationwide →
The 8 adult reconstructive orthopaedic surgery physician records with the nearest ZIP codes
- Paul Gilbert, M.D.Los Angeles, CA 900331457399784
- Nathanael Heckmann, M.D.Los Angeles, CA 900331164833406
- Daniel Oakes, M.D.Los Angeles, CA 900331174636302
- William Long, M.D.Los Angeles, CA 900271023067055
- Alan Kessler, MDLos Angeles, CA 900201124154034
- David Lee, MDLos Angeles, CA 900201427652304
- Guy D Paiement, MDLos Angeles, CA 900481538249776
- Rajan Patel, M.D.Los Angeles, CA 900481649294984
Common questions
What is Donald B. Longjohn, M.D.'s NPI number?
Donald B. Longjohn, M.D.'s National Provider Identifier (NPI) is 1215949524, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald B. Longjohn, M.D. located?
The NPPES record lists a practice address at 1520 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 442-5860. Providers update this record themselves, so call before visiting.
How can I verify Donald B. Longjohn, M.D.'s license?
NPPES lists California license number G72658, 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 Donald B. Longjohn, M.D. prescribe under Medicare Part D?
In 2024, Donald B. Longjohn, M.D. had 236 Medicare Part D claims for 102 beneficiaries; the average among adult reconstructive orthopaedic surgery physician prescribers was 579. 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.