TAN KHAC NGUYEN M.D.
NPI 1144273491
Dermatology - Procedural Dermatology in Upland, CA

Q: What is Tan Nguyen's NPI number?

The NPI number for Tan Nguyen is 1144273491. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Q: What is Tan Nguyen's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in Procedural Dermatology, with taxonomy code 207NS0135X.

Q: When was this NPI record last updated?

The NPPES record for Tan Nguyen was last updated on August 8, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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 May 18, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

1310 SAN BERNARDINO RD, SUITE 207, UPLAND, CA 91786(909) 946-8600(909) 946-8604 Get Directions Write a Review

NPPES record last updated: August 8, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Tan Khac Nguyen M.d. NPPES

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

TAN KHAC NGUYEN M.D. (NPI 1144273491) is an individual procedural dermatology provider in Upland, California, licensed in California (A70331) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1144273491

Entity TypeIndividualMale

Primary Taxonomy207NS0135X

Provider Legal NameTAN KHAC NGUYENCredential: M.D.

Location Address1310 SAN BERNARDINO RD, SUITE 207Upland, CA 91786-4979

Mailing Address1310 San Bernardino Rd, Suite 207Upland, CA 91786-4979 · (909) 946-8600 · Fax (909) 946-8604

Phone(909) 946-8600

Fax(909) 946-8604

Sole ProprietorNo

Medical School CMSOtherGraduated 1991

Enumeration DateMay 18, 2006

Last NPPES UpdateAugust 8, 2011

✔ NPI 1144273491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatology · Procedural DermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207NS0135X

License✔ Licensed in CA · A70331

Definition

Procedural Dermatology, a subspecialty of Dermatology, encompassing a wide variety of surgical procedures and methods to remove or modify skin tissue for health or cosmetic benefit. These methods include scalpel surgery, laser surgery, chemical surgery, cryosurgery (liquid nitrogen), electrosurgery, aspiration surgery, liposuction, injection of filler substances, and Mohs micrographic controlled surgery (a special technique for the removal of growths, especially skin cancers).

Also ListedDermatologyTaxonomy 207N00000X · License A70331 (CA)

1310 SAN BERNARDINO RD, Upland, CA 91786

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Other Identifiers 3

OtherP00614352CA · Raillroad Medicare

Medicare UPINH21605CA

Medicare PINWA7033IKCA

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

Tan Khac Nguyen 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 ID5395728190

PECOS Enrollment IDI20040611000811

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 26

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.

26,000 services56 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.

1,780 services262 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.

889 services66 patients

Destruction of skin growth, 1-14 growths 17110

"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.

236 services127 patients

Superficial and/or low voltage radiation treatment delivery 77401

Superficial and/or low voltage radiation treatment delivery is a non-invasive procedure used to treat certain diseases like skin cancer. It uses low energy radiation to target and destroy abnormal cells, aiding in halting disease progression.

218 services15 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

218 services22 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

218 services53 patients

Therapy procedure using ultrasound 97610

Ultrasound therapy is a treatment used to heal and relieve pain. It involves using sound waves to stimulate body tissues, promoting healing and reducing inflammation. It's non-invasive, painless, and typically used for muscle, ligament injuries, or chronic pain.

216 services13 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.

194 services81 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.

106 services56 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.

89 services14 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.

75 services75 patients

Injection into skin growth, more than 7 growths 11901

This procedure involves injecting medication into multiple skin growths (more than 7) to either shrink them or eliminate them. It's a safe, minimally invasive method often used for benign growths. Comfort during the process is ensured.

62 services40 patients

Treatment of inflammatory skin disease using laser, more than 500.0 sq cm 96922

This treatment involves using laser technology to manage inflammatory skin conditions over a large area (more than 500.0 sq cm). The laser targets and treats the disease, reducing inflammation and promoting skin healing. This is a safe, non-invasive procedure.

50 services12 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.

45 services24 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

42 services35 patients

Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm 11302

This procedure involves the careful removal of a skin growth on your body, arms, or legs. The growth is between 1.1 and 2.0 cm. A special tool is used to shave off the growth, which is a quick and relatively painless process.

36 services19 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.

27 services18 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.

26 services19 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.

26 services11 patients

Destruction of skin growth, 15 or more growths 17111

"Destruction of skin growth" refers to a procedure where unwanted skin growths, such as warts or moles, are removed. In this case, 15 or more growths are treated. Techniques may include freezing, burning, or laser therapy. It's a safe, quick process to improve skin health.

24 services20 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.

23 services17 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

16 services14 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

16 services14 patients

Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm 11301

This procedure involves the careful removal of a small skin growth on the body, arms, or legs. It's done by shaving off the growth that's 0.6-1.0 cm in size. It's a common, safe method to treat non-cancerous skin growths and improve skin appearance.

15 services12 patients

Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm 11312

This procedure involves the careful removal of a skin growth on the face, ears, eyelids, nose, lips, or mouth. The growth being treated is between 1.1 and 2.0 cm in size. The process is typically quick, with minimal discomfort, and aids in maintaining skin health.

15 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91786 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

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

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.

100/100

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

Individually scored

Quality

Promoting Interoperability

Improvement Activities

Reported Quality Measures

Advance Care Plan

100%391 patients5/55-star benchmark: 100%

e-Prescribing

90%434 patients1/55-star benchmark: 100%

Melanoma: Continuity of Care - Recall System

100%21 patients

Melanoma: Coordination of Care

100%29 patients

Provide Patients Electronic Access to Their Health Information

91%639 patients4/55-star benchmark: 100%

Psoriasis: Clinical Response to Systemic Medications

100%25 patients

Tobacco Use and Help with Quitting Among Adolescents

100%146 patients5/55-star benchmark: 100%

Tuberculosis Screening Prior to First Course of Biologic and/or Immune Response Modifier Therapy

100%24 patients5/55-star benchmark: 100%

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 17

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

MR. IAN JOSEPH DONAHUE PA-C

Physician Assistant

1310 SAN BERNARDINO RD, STE. 103
UPLAND, CA 91786

San Bernardino County (909) 920-0444

MADONNA ZAND

Nurse Practitioner (Family)

1310 SAN BERNARDINO RD, 205
UPLAND, CA 91786

San Bernardino County (909) 981-9991

AMANDA INGALLS PA-C

Physician Assistant

1310 SAN BERNARDINO RD, SUITE 101
UPLAND, CA 91786

San Bernardino County (909) 579-0779

ADVANCED SKIN CLINIC & SURGERY, PC

Dermatology

1310 SAN BERNARDINO RD, SUITE 207
UPLAND, CA 91786

San Bernardino County (909) 946-8600

MRS. LORRAINE MAE DOMINICK WHNP

Nurse Practitioner (Obstetrics & Gynecology)

1310 SAN BERNARDINO RD
UPLAND, CA 91786

San Bernardino County (909) 579-0806

ALWAN MD INC

Specialist

1310 SAN BERNARDINO RD
UPLAND, CA 91786

San Bernardino County (909) 981-9991

DR. MONICA A. VALENZUELA-GAMM D.O.

Obstetrics & Gynecology

1310 SAN BERNARDINO RD, SUITE # 201
UPLAND, CA 91786

San Bernardino County (909) 355-7855

TAMUYEN NGUYEN M.D.

Dermatology

1310 SAN BERNARDINO RD, SUITE 207
UPLAND, CA 91786

San Bernardino County (909) 946-8600

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 Tan Nguyen's NPI number?

The NPI number for Tan Nguyen is 1144273491. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Tan Nguyen located?

Tan Nguyen practices at 1310 San Bernardino Rd Suite 207, Upland, CA 91786. The listed phone number is (909) 946-8600.

What is Tan Nguyen's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in Procedural Dermatology, with taxonomy code 207NS0135X.

Is Tan Nguyen enrolled in Medicare?

Yes. Tan Nguyen 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 Tan Nguyen was last updated on August 8, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.