Erick Alfonso Mafong, M.D.
MOHS-Micrographic Surgery Physician · Chula Vista, CA
Erick Alfonso Mafong, M.D. is a mohs-micrographic surgery physician with a practice address in Chula Vista, California, and NPI 1033113725, issued on Jun 9, 2005. Check the license (California A78399, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Erick Alfonso Mafong
- Credential
- M.D.
- Primary taxonomy
- MOHS-Micrographic Surgery Physician 207ND0101X
- License number
- A78399 CA
Self-reported in NPPES; status is on the state search - Practice location
- 319 F St, Chula Vista, CA 91910
- Phone
- (619) 476-1200
- Enumerated
- Jun 9, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (619) 420-7849
- Medicaid ID
- 00A783990 CA
- Medicare enrollment
- Enrolled (PECOS I20050124000659); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest mohs-micrographic surgery physician records → All 164 in California → Look up another NPI →
Also registered at 319 F St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cole Willoughby, M.D.Dermatopathology Physician1659375301
- Mark Willoughby, M.D.Dermatology Physician1215931993
Verify Erick Alfonso Mafong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A78399Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average mohs-micrographic surgery physician in 2024
469 Medicare Part D claims for 226 beneficiaries, against an average of 570 among the 1,396 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Mupirocin90 claims
- Cephalexin73 claims
- Ketoconazole69 claims
- Fluocinonide36 claims
- Fluticasone Propionate26 claims
- Doxycycline Hyclate22 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): 82.5 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: $875.28
48 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 1,074 providers of this specialty with any payment received $4,075.23 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
- Dermatology And Laser Center OF San DiegoChula Vista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erick Alfonso Mafong among 164 mohs-micrographic surgery physician records in California
Erick Alfonso Mafong, M.D. is one of 164 mohs-micrographic surgery physician records with a practice address in California. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated1997 · median 2004 among the 143 with a school on file
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ND0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
MOHS-Micrographic Surgery Physician providers in California
There are 164 mohs-micrographic surgery physician records in California.
All 164 in California → Every provider in Chula Vista → MOHS-Micrographic Surgery Physician nationwide →
The 8 mohs-micrographic surgery physician records with the nearest ZIP codes
- Christopher Crosby, M.D., PH.D.La Mesa, CA 919421497931380
- Nathan Uebelhoer, D.O.National City, CA 919501659344513
- Eric Sorenson, M.D.Encinitas, CA 920241174918973
- David Thomas, MDEncintas, CA 920241770515884
- Lisa Fronek, DOUpland, CA 917861760970891
- Timothy Chang, MDLa Jolla, CA 920371962766337
- Hubert Greenway, M.D.La Jolla, CA 920371366419004
- Benjamin Kelley, M.D.La Jolla, CA 920371659702942
Common questions
What is Erick Alfonso Mafong, M.D.'s NPI number?
Erick Alfonso Mafong, M.D.'s National Provider Identifier (NPI) is 1033113725, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Erick Alfonso Mafong, M.D. located?
The NPPES record lists a practice address at 319 F St, Chula Vista, CA, 91910. Phone: (619) 476-1200. Providers update this record themselves, so call before visiting.
How can I verify Erick Alfonso Mafong, M.D.'s license?
NPPES lists California license number A78399, 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 Erick Alfonso Mafong, M.D. prescribe under Medicare Part D?
In 2024, Erick Alfonso Mafong, M.D. had 469 Medicare Part D claims for 226 beneficiaries; the average among mohs-micrographic surgery physician prescribers was 570. Part D covers Medicare prescriptions only.
What is Erick Alfonso Mafong, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.5 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.