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Edit this profileAt a glance
- 2039 Thomas Ave, San Diego, CA 92109
About Mason Chew
Listed in the NPI registry as a nurse practitioner — family, Mason B. Chew, MSN, FNP-C practices in San Diego, CA. According to Medicare claims data, Mason cared for 154 Medicare patients across 1,941 services. The services billed most often include membrane graft or membrane wrap, per square centimeter, removal of skin and tissue, 20.0 sq cm or less, and removal of muscle and/or tissue, 20.0 sq cm or less. NPI 1184333080 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (661) 618-4390
- Email not available
Practice Locations
2039 THOMAS AVE
San Diego, CA 92109
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Chronic condition care
Dermatology
Diagnostic screening
Evaluation & Testing
Hormones & endocrine
Injury care
Lab tests
- COVID-19 testing
- Cholesterol screening
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Mental health
Minor procedures
- Burn and Wound Care
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
Minor surgery
Physical exams
Prescriptions
Preventative care
Preventative exams
Sexual health
Skin procedures
Sleep
Urgent care
Weight management
Women's health
- IUD insertion and removal
- Pregnancy Confirmation Test
- Birth control counseling
- Contraceptive implant insertion and removal
- Pap smear
- Well-woman exam
Most searched procedures
Allergies
Diagnostic tests
Ear, nose & throat
Heart health
Injections
Lifestyle counseling
Neurological care
Occupational health
Pain management
Respiratory care
Screenings
Procedures Most Often Billed to Medicare
1,941 services · 154 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
278 | More often than most peers in Nurse Practitioner, Family |
| Removal of muscle and/or tissue, 20.0 sq cm or less | Procedure | 11043 |
223 | More often than most peers in Nurse Practitioner, Family |
| Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less | Procedure | 15271 |
161 | More often than most peers in Nurse Practitioner, Family |
| Membrane graft or membrane wrap, per square centimeter | Billing code | Q4205 |
1,279 | More often than most peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners in San Diego 8
Same specialty, same city.
Also performs Removal of skin and tissue, 20.0 sq cm or less 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Mason B. Chew, MSN specialize in?
Mason B. Chew, MSN is a nurse practitioner in San Diego, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where is Mason B. Chew, MSN located?
Mason B. Chew, MSN is listed at 2039 Thomas Ave, San Diego, CA 92109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mason B. Chew, MSN's phone number?
The number on file is (661) 618-4390. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mason B. Chew, MSN's NPI number?
Mason B. Chew, MSN's National Provider Identifier is 1184333080. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Mason B. Chew, MSN been practicing?
Mason B. Chew, MSN has 4+ years experience. Registered with an NPI since 2022. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Mason B. Chew, MSN do most often?
According to Medicare billing data, Mason B. Chew, MSN performs procedures including removal of skin and tissue, 20.0 sq cm or less, removal of muscle and/or tissue, 20.0 sq cm or less and application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mason B. Chew, MSN confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mason B. Chew, MSN. If this is you, claiming it is free.
Guide.md
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