Ryan Dellamaggiora, M.D.
Orthopaedic Hand Surgery Physician · Los Angeles, CA
Ryan Dellamaggiora, M.D. is an orthopaedic hand surgery physician with a practice address in Los Angeles, California, and NPI 1548463250, issued on Jun 8, 2007. Check the license (California A100387, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ryan Dellamaggiora
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- A100387 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N State St, Los Angeles, CA 90033
- Phone
- (323) 226-7210
- Enumerated
- Jun 8, 2007
- Record last updated
- Mar 17, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120831000701); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 288 in California → Look up another NPI →
Also registered at 1200 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Danna Abdel-Khader, MDInternal Medicine Physician1780977827
- Terri Leigh Abe, MDInternal Medicine Physician1881897569
- Mona Abedzadeh, M.A CCC-SLPSpeech-Language Pathologist1699988451
- Zachary AbelsonObstetrics & Gynecology Physician1689237414
- Laurel Aberle, MDStudent in an Organized Health Care Education/Training Program1184367484
Verify Ryan Dellamaggiora in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100387Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average orthopaedic hand surgery physician in 2024
41 Medicare Part D claims for 37 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 24 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $16,130.50
16 payments; by number, the most common kind was food and beverage; the largest payer was Endo USA, Inc. The 1,819 providers of this specialty with any payment received $5,529.86 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
- Cedars-Sinai Medical Care FoundationPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Dellamaggiora among 288 orthopaedic hand surgery physician records in California
Ryan Dellamaggiora, M.D. is one of 288 orthopaedic hand surgery 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 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2006 · median 2004 among the 214 with a school on file
- Record last updated2016 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in California
There are 288 orthopaedic hand surgery physician records in California.
All 288 in California → Every provider in Los Angeles → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Ali Azad, MDLos Angeles, CA 900331487064127
- Mike Lehoang, M.D.Los Angeles, CA 900331962629030
- Luke Nicholson, M.D.Los Angeles, CA 900331558771576
- Taylor Southworth, MDLos Angeles, CA 900331598391468
- Milan Stevanovic, M.D.Los Angeles, CA 900331225040421
- Alidad Ghiassi, M.D.Los Angeles, CA 900251467464156
- Neil Jones, MDLos Angeles, CA 900241316013865
- Steven Shin, M.D.Los Angeles, CA 900451164407862
Common questions
What is Ryan Dellamaggiora, M.D.'s NPI number?
Ryan Dellamaggiora, M.D.'s National Provider Identifier (NPI) is 1548463250, issued on Jun 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Dellamaggiora, M.D. located?
The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90033. Phone: (323) 226-7210. Providers update this record themselves, so call before visiting.
How can I verify Ryan Dellamaggiora, M.D.'s license?
NPPES lists California license number A100387, 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 Ryan Dellamaggiora, M.D. prescribe under Medicare Part D?
In 2024, Ryan Dellamaggiora, M.D. had 41 Medicare Part D claims for 37 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. Part D covers Medicare prescriptions only.
What is Ryan Dellamaggiora, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.