Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ERICK ALFONSO MAFONG M.D.
NPI 1033113725
Dermatology - MOHS-Micrographic Surgery in Chula Vista, CA

Q: What is Erick Mafong's NPI number?

The NPI number for Erick Mafong is 1033113725. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Q: What is Erick Mafong's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.

Q: When was this NPI record last updated?

The NPPES record for Erick Mafong was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 09, 2005PECOS EnrolledAccepts Medicare Assignment

82.5/100

CMS Quality Rating

319 F ST, STE 102, CHULA VISTA, CA 91910(619) 476-1200(619) 420-7849 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Erick Alfonso Mafong M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ERICK ALFONSO MAFONG M.D. (NPI 1033113725) is an individual mohs-micrographic surgery provider in Chula Vista, California, licensed in California (A78399) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1997).

NPPES Registry Identity

NPI1033113725

Entity TypeIndividualMale

Primary Taxonomy207ND0101X

Provider Legal NameDR. ERICK ALFONSO MAFONGCredential: M.D.

Location Address319 F ST, STE 102Chula Vista, CA 91910-2666

Mailing Address319 F St, Ste 102Chula Vista, CA 91910-2666 · (619) 476-1200 · Fax (619) 420-7849

Phone(619) 476-1200

Fax(619) 420-7849

Sole ProprietorNo

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1997

Enumeration DateJune 9, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1033113725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatology · MOHS-Micrographic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207ND0101X

License✔ Licensed in CA · A78399

Definition

The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.

319 F ST, Chula Vista, CA 91910

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Other Identifiers 1

Medicaid00A783990CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Erick Alfonso Mafong M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072563451

PECOS Enrollment IDI20050124000659

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 29

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg J7345

Aminolevulinic acid hcl is a topical gel used to treat certain skin conditions. It works by making affected skin cells more sensitive to light, which is then used to destroy these cells. The gel is applied by a healthcare professional.

6,600 services31 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

1,237 services799 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

925 services95 patients

High dose rate electronic brachytherapy, external 0394T

High Dose Rate Electronic Brachytherapy (HDR EBT) is a precise form of radiation therapy. It involves placing a tiny source of radiation directly into the area needing treatment. This allows a high dose of radiation to be delivered directly to the area, while reducing exposure to surrounding healthy tissues.

920 services95 patients

Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less 77600

This procedure involves using a source of heat from outside the body to raise the temperature of cancer cells. The heat is applied up to a depth of 4.0 cm beneath the skin surface. The increase in temperature can help in the treatment of the cancer.

731 services95 patients

Destruction of precancer skin growth, 2-14 growths 17003

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

581 services129 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

508 services310 patients

Biopsy of related skin growth, first growth 11102

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

332 services274 patients

Destruction of precancer skin growth, 15 or more growths 17004

This procedure involves removing 15 or more precancerous skin growths to prevent them from developing into cancer. It's done using various methods like freezing, creams, or minor surgery. The goal is to protect your health by stopping cancer before it starts.

290 services229 patients

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 17311

This procedure involves the careful removal of a growth from the head, neck, hands, or feet. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to study its characteristics and determine the nature of the growth.

279 services214 patients

Application of ultraviolet light to skin 96900

Application of ultraviolet light to skin is a treatment process where a special type of light is directed onto the skin. It's often used to treat certain skin conditions, like psoriasis or vitiligo. It's a safe, controlled procedure performed by a healthcare professional.

230 services17 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

202 services186 patients

Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm 13132

This procedure involves the complex repair of a wound in areas like the forehead, cheeks, chin, mouth, neck, underarms, hands, or feet. The wound size ranges from 2.6-7.5 cm. The process includes cleaning, removing damaged tissue, and stitching the wound for proper healing.

171 services147 patients

Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm 13121

This is a procedure to repair a complex wound on your scalp, arm, or leg that is 2.6-7.5 cm long. It involves cleaning, removing damaged tissue, and stitching the wound to promote healing. It's performed under local or general anesthesia.

129 services96 patients

Biopsy of related skin growth, each additional growth 11103

A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.

92 services69 patients

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 17312

This procedure involves the careful removal of abnormal growths from the head, neck, hands, or feet. The removed tissues, divided into 1-5 blocks, are then examined under a microscope to identify any irregularities. The process may be carried out in multiple stages for thorough examination.

90 services74 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

89 services89 patients

Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks 17313

This procedure involves the removal of a growth from your trunk, arms, or legs. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to identify any abnormalities. This helps in diagnosing and planning further treatment.

71 services51 patients

Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm 11603

This procedure involves the removal of a cancerous skin growth, between 2.1 and 3.0 cm, from the body, arms, or legs. The area is numbed, then the growth is carefully cut out. The goal is to eliminate all cancer cells while minimizing scarring.

34 services31 patients

Application of light with debridement to destroy precancer skin growth 96574

This procedure involves applying a special light source to the skin after removing dead tissue (debridement). The light helps destroy precancerous growths, preventing them from developing into skin cancer. It's a safe and effective method to keep your skin healthy.

33 services31 patients

Complicated repair of wound of trunk, 2.6-7.5 cm 13101

This service involves the intricate repair of a wound on your body's main structure, between your neck and limbs. The wound measures 2.6-7.5 cm. The procedure includes deep-layer stitching and may involve repairing damaged tissue.

31 services28 patients

Injection into skin growth, 1-7 growths 11900

This procedure involves injecting medication into 1-7 skin growths. The medication helps to reduce the size of the growths or completely eliminate them. It's a simple, quick, and usually painless process performed by a medical professional.

23 services15 patients

Removal and microscopic exam of growth, each additional block after 5 tissue blocks 17315

This procedure involves the removal of a growth for further examination. After the initial 5 tissue blocks, each additional block is examined under a microscope. This helps identify the nature of the growth and aids in determining the best course of treatment.

15 services14 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

15 services15 patients

Removal of cancer skin growth of body, arms, or legs, 3.1-4.0 cm 11604

This procedure involves removing a cancerous skin growth measuring 3.1-4.0 cm on the body, arms, or legs. The area is numbed, then the growth is carefully cut out. The wound is stitched for healing. Regular follow-ups ensure complete removal and recovery.

13 services12 patients

Removal and microscopic exam of growth of trunk, arms, or legs, each additional stage, 1-5 tissue blocks 17314

This procedure involves removing growths from the trunk, arms, or legs. The removed tissues, divided into 1-5 blocks, are then examined under a microscope to identify any abnormalities. This aids in diagnosing and treating your condition effectively.

13 services11 patients

Punch biopsy, first skin growth 11104

A punch biopsy is a procedure where a small, circular tool is used to remove a sample of skin tissue. This is usually done to test a skin growth for potential issues. You may feel a pinch, but discomfort is minimal. The area heals quickly.

12 services12 patients

Complicated repair of wound of eyelids, nose, ears, or lip, 2.6-7.5 cm 13152

This procedure involves repairing a wound on your eyelids, nose, ears, or lip that is between 2.6 and 7.5 cm long. It's considered complicated due to the location and size. The doctor will clean, treat, and stitch the wound to promote healing.

12 services12 patients

Full thickness skin graft to nose, ears, eyelids, or lips, 20.0 sq cm or less 15260

A full thickness skin graft is a procedure where a layer of skin is taken from one area of the body and transplanted to another. If it's done on the nose, ears, eyelids, or lips, it helps restore these areas when damaged. The size of the graft is 20.0 sq cm or less.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91910 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$94.87 typical visit price

range $62.10 – $184.71

Typical copayment $23.71 (range $15.52 – $46.17)

Most-billed visit code 99203

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.5/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

98.33

Improvement Activities

Cost

43.91

Reported Quality Measures

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

97%287 patients4/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

100%93 patients5/55-star benchmark: 100%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

92%255 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

98%683 patients4/55-star benchmark: 99%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

83%580 patients4/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

72%683 patients3/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

0%683 patients1/55-star benchmark: 59%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARK ANDREW WILLOUGHBY M.D.

Dermatology

319 F ST, STE 102
CHULA VISTA, CA 91910

San Diego County (619) 476-1200

BONITA HOMECARE, INC.

Home Health

319 F ST, SUITE 205
CHULA VISTA, CA 91910

San Diego County (619) 746-6978

CECILIO EMANUEL CROSBY

Home Health

319 F ST, SUITE 205
CHULA VISTA, CA 91910

San Diego County (619) 746-6978

CECILIO EMANUEL CROSBY

Home Health

319 F ST, SUITE 205
CHULA VISTA, CA 91910

San Diego County (619) 746-6978

DR. COLE BRADFORD WILLOUGHBY M.D.

Dermatology (Dermatopathology)

319 F ST, STE 102
CHULA VISTA, CA 91910

San Diego County (619) 476-1200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Erick Mafong's NPI number?

The NPI number for Erick Mafong is 1033113725. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Where is Erick Mafong located?

Erick Mafong practices at 319 F St Ste 102, Chula Vista, CA 91910. The listed phone number is (619) 476-1200.

What is Erick Mafong's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.

Is Erick Mafong enrolled in Medicare?

Yes. Erick Mafong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Erick Mafong was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.