Loretta Erhunmwunsee, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · South Pasadena, CA
Loretta Erhunmwunsee, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in South Pasadena, California, and NPI 1336307735, issued on Jun 2, 2008. Check the license (California A137850, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Loretta Erhunmwunsee
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- A137850 CA
128194 NC
Self-reported in NPPES; status is on the state search - Practice location
- 209 Fair Oaks Ave, South Pasadena, CA 91030
- Phone
- (626) 396-2900
- Enumerated
- Jun 2, 2008
- Record last updated
- Dec 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (626) 799-2889
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 634 in California → Look up another NPI →
Also registered at 209 Fair Oaks Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Loretta Erhunmwunsee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A137850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 99.1 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: $2,282.81
2 payments; by number, the most common kind was consulting fee; the largest payer was AstraZeneca Pharmaceuticals LP. The 4,047 providers of this specialty with any payment received $7,828.84 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.
Loretta Erhunmwunsee among 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California
Loretta Erhunmwunsee, M.D. is one of 634 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 30% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2020 · 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 208G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in California
There are 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California.
All 634 in California → Every provider in South Pasadena → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Abigail Fong, MDSouth Pasadena, CA 910301265886691
- Frederic Grannis, MDDuarte, CA 910101598773582
- Jae Kim, M.D.Duarte, CA 910101023147014
- Dan Raz, M.D.Duarte, CA 910101598893398
- James Wu, M.D.Pasadena, CA 911011407873995
- George Mulder, MDPasadena, CA 911031407214612
- Andrew Hurwitz, MDGlendale, CA 912041750383766
- Randall Roberts, MDGlendale, CA 912041114929809
Common questions
What is Loretta Erhunmwunsee, M.D.'s NPI number?
Loretta Erhunmwunsee, M.D.'s National Provider Identifier (NPI) is 1336307735, issued on Jun 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Loretta Erhunmwunsee, M.D. located?
The NPPES record lists a practice address at 209 Fair Oaks Ave, South Pasadena, CA, 91030. Phone: (626) 396-2900. Providers update this record themselves, so call before visiting.
How can I verify Loretta Erhunmwunsee, M.D.'s license?
NPPES lists California license number A137850, 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.
What is Loretta Erhunmwunsee, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.1 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.