Are you Denise L. Mah, FNP-BC? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Denise L. Mah, FNP-BC
- Fontana location main office
9961 Sierra Ave, Fontana, CA 92335 - Duarte location
1500 Duarte Rd, Duarte, CA 91010
About Denise Mah
Listed in the NPI registry as a nurse practitioner — family, Denise L. Mah, FNP-BC practices in Fontana, CA. According to Medicare claims data, Denise cared for 91 Medicare patients across 197 services. The services billed most often include removal of muscle and/or tissue, 20.0 sq cm or less, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes. NPI 1083114508 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
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
- (909) 396-7812
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
9961 SIERRA AVE
Fontana, CA 92335
1500 Duarte Rd
Duarte, CA 91010
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
197 services · 91 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of muscle and/or tissue, 20.0 sq cm or less | Procedure | 11043 |
76 | As often as other peers in Nurse Practitioner, Family |
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
15 | Less often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
63 | More often than most peers in Nurse Practitioner, Family |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
22 | As often as other peers in Nurse Practitioner, Family |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
21 | Less 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.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Fontana 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of muscle and/or tissue, 20.0 sq cm or less 7
Providers in CA who bill this service to Medicare most often.
Common questions
What does Denise L. Mah specialize in?
Denise L. Mah is a nurse practitioner in Fontana, 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 Denise L. Mah located?
Denise L. Mah is listed at 9961 Sierra Ave, Fontana, CA 92335. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Denise L. Mah's phone number?
The number on file is (909) 396-7812. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Denise L. Mah's NPI number?
Denise L. Mah's National Provider Identifier is 1083114508. 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
Where did Denise L. Mah train?
Denise L. Mah attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Denise L. Mah been practicing?
Denise L. Mah has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Denise L. Mah do most often?
According to Medicare billing data, Denise L. Mah performs procedures including removal of muscle and/or tissue, 20.0 sq cm or less and removal of skin and tissue, 20.0 sq cm or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Denise L. Mah confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Denise L. Mah. If this is you, claiming it is free.
Guide.md
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