Marta E. Long, MD
Internal Medicine Physician · Irvine, CA
Marta E. Long, MD is an internal medicine physician with a practice address in Irvine, California, and NPI 1205860509, issued on Jul 10, 2006. Check the license (California A0101009, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marta E. Long
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A0101009 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19712 Macarthur Blvd Ste 110, Irvine, CA 92612
- Phone
- (949) 237-2949
- Enumerated
- Jul 10, 2006
- Record last updated
- May 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (682) 219-0893
- Medicare enrollment
- Enrolled (PECOS I20230918003358); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 19712 Macarthur Blvd Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marta E. Long in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A0101009Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
71 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Marta E. Long among 17,696 internal medicine physician records in California
Marta E. Long, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2003 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
155 internal medicine physician records list a practice address in Irvine
They are 155 of the 7,778 NPPES records with a practice address in Irvine, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Irvine → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Denny Lee, MDIrvine, CA 926141740571835
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- Firas Naji, D.O.Irvine, CA 926141578883997
Common questions
What is Marta E. Long, MD's NPI number?
Marta E. Long, MD's National Provider Identifier (NPI) is 1205860509, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marta E. Long, MD located?
The NPPES record lists a practice address at 19712 Macarthur Blvd Ste 110, Irvine, CA, 92612. Phone: (949) 237-2949. Providers update this record themselves, so call before visiting.
How can I verify Marta E. Long, MD's license?
NPPES lists California license number A0101009, 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 Marta E. Long, MD prescribe under Medicare Part D?
In 2024, Marta E. Long, MD had 71 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.