Physician Profile
Tamuyen Nguyen, M.D.
Unclaimed ProfileAbout Dr. Nguyen
Tamuyen Nguyen, M.D. is a healthcare provider in Upland, CA specializing in dermatology. Tamuyen trained at University of Missouri, Kansas City, School of Medicine, graduating in 1997. According to Medicare claims data, Tamuyen cared for 308 Medicare patients across 562 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and biopsy of related skin growth, first growth. This provider record is associated with NPI 1710041686.
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) 946-8600
- Email not available
Practice Locations
1310 SAN BERNARDINO RD SUITE 207
Upland, CA 91786
Conditions Commonly Evaluated or Treated
Within Dermatology 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
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Autoimmune and connective tissue
Infections
Rashes & allergy
Skin growths
Procedures & services
Most searched procedures
Diagnostic procedures
Lesion treatment
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
- Incision and drainage of an abscess
Medical dermatology treatment
Cosmetic
Cosmetic and minor surgery
Cosmetic dermatology
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
Skin growths
Procedures Most Often Billed to Medicare
562 services · 308 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of related skin growth, first growth | Procedure | 11102 |
44 | Less often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
35 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
31 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
26 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
369 | As often as other peers in Dermatology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
57 | As often as other peers in Dermatology |
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.
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 dermatologists in Upland 7
Same specialty, same city.
Trained at University of Missouri, Kansas City, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1997 at University of Missouri, Kansas City, School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of related skin growth, first growth 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Tamuyen Nguyen specialize in?
Tamuyen Nguyen is a dermatologist (skin doctor) in Upland, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where is Tamuyen Nguyen located?
Tamuyen Nguyen is listed at 1310 San Bernardino Rd Suite 207, Upland, CA 91786. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Tamuyen Nguyen's phone number?
The number on file is (909) 946-8600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Tamuyen Nguyen's NPI number?
Tamuyen Nguyen's National Provider Identifier is 1710041686. 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 Tamuyen Nguyen train?
Tamuyen Nguyen attended University of Missouri, Kansas City, School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Tamuyen Nguyen been practicing?
Tamuyen Nguyen has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What does Tamuyen Nguyen do most often?
According to Medicare billing data, Tamuyen Nguyen performs procedures including biopsy of related skin growth, first growth, destruction of skin growth, 1-14 growths and destruction of precancer skin growth, 1 growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Tamuyen Nguyen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Tamuyen Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.