TAMMY WAN M.D.
NPI 1205137981
Internal Medicine in Los Angeles, CA

NPI Status: Active since November 10, 2010

Contact Information

200 UCLA MEDICAL PLZ
SUITE 420
LOS ANGELES, CA
ZIP 90095
Phone: (310) 206-4083
Fax: (310) 206-3551

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  • Individual
  • Female
  • Years of Experience 16
  • Internal Medicine
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About TAMMY WAN

This page provides the complete NPI Profile along with additional information for Tammy Wan, an internist established in Los Angeles, California with a medical specialization in Internal Medicine and more than 16 years of experience. She graduated from University Of California, Davis School Of Medicine in 2010. The healthcare provider is registered in the NPI registry with number 1205137981 assigned on November 2010. The practitioner's primary taxonomy code is 207R00000X with license number A119071 (CA). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1205137981
Provider Name
TAMMY WAN M.D.
Gender
Female
Entity Type
Individual
Location Address
200 UCLA MEDICAL PLZ SUITE 420 LOS ANGELES, CA 90095
Location Phone
(310) 206-4083
Location Fax
(310) 206-3551
Mailing Address
200 UCLA MEDICAL PLZ SUITE 420 LOS ANGELES, CA 90095
Mailing Phone
(310) 206-4083
Mailing Fax
(310) 206-3551
Medical School Name
UNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduation Year
2010
Is Sole Proprietor?
No
Enumeration Date
11-10-2010
Last Update Date
11-29-2021
Code Navigator

An internist like Tammy Wan is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
A119071
License State
CA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Medicare Participation & PECOS Enrollment Status

Tammy Wan is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Tammy Wan is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 4981843299

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20130618000395

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Follow-up hospital inpatient care per day, typically 35 minutes

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

This service was performed 27 times for 13 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $35.59 for a new patient copayment and $27.49 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 90095 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $142.39
  • Minimum New Patient Price $62.96
  • Maximum New Patient Price $187.6
  • Average New Patient Copayment $35.59
  • Minimum New Patient Copayment $15.74
  • Maximum New Patient Copayment $46.9

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $109.96
  • Minimum Established Patient Price $20.84
  • Maximum Established Patient Price $153.61
  • Average Established Patient Copayment $27.49
  • Minimum Established Patient Copayment $5.21
  • Maximum Established Patient Copayment $38.4

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Reviews for TAMMY WAN M.D.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1205137981, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
0
Doubled → 0
Pos 4
5
Unchanged
Pos 5
1
Doubled → 2
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 0 → 0 1 → 2 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 0 + 5 + 2 + 3 + 1 + 4 + 9 + 1 + 6 + 24 = 59

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1205137981.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Orthopaedic Surgery
200 UCLA MEDICAL PLZ, SUITE 140
LOS ANGELES, CA 90095
Obstetrics & Gynecology (Obstetrics)
200 UCLA MEDICAL PLZ, SUITE 430
LOS ANGELES, CA 90095
Orthopaedic Surgery
200 UCLA MEDICAL PLZ, STE 140
LOS ANGELES, CA 90095
Family Medicine
200 UCLA MEDICAL PLZ, SUITE 220
LOS ANGELES, CA 90095
Internal Medicine
200 UCLA MEDICAL PLZ, STE 220
LOS ANGELES, CA 90095
Surgery
200 UCLA MEDICAL PLZ, SUITE #214
LOS ANGELES, CA 90095
Orthopaedic Surgery
200 UCLA MEDICAL PLZ, SUITE 140
LOS ANGELES, CA 90095
Advanced Practice Midwife
200 UCLA MEDICAL PLZ, SUITE 430
LOS ANGELES, CA 90095
Nurse Practitioner (Acute Care)
200 UCLA MEDICAL PLZ, STE B265
LOS ANGELES, CA 90095
Social Worker (Clinical)
200 UCLA MEDICAL PLZ, SUITE 265-119
LOS ANGELES, CA 90095
Social Worker (Clinical)
200 UCLA MEDICAL PLZ, SUITE 265-121
LOS ANGELES, CA 90095
Dermatology
200 UCLA MEDICAL PLZ, SUITE 450
LOS ANGELES, CA 90095
Surgery (Vascular Surgery)
200 UCLA MEDICAL PLZ, SUITE 510-6
LOS ANGELES, CA 90095
Audiologist
200 UCLA MEDICAL PLZ, SUITE 540
LOS ANGELES, CA 90095
Durable Medical Equipment & Medical Supplies (Parenteral & Enteral Nutrition)
200 UCLA MEDICAL PLZ, SUITE135
LOS ANGELES, CA 90095
Plastic Surgery
200 UCLA MEDICAL PLZ, SUITE 465
LOS ANGELES, CA 90095
Nurse Practitioner
200 UCLA MEDICAL PLZ, STE 550
LOS ANGELES, CA 90095
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
200 UCLA MEDICAL PLZ, SUITE 140
LOS ANGELES, CA 90095
General Acute Care Hospital
200 UCLA MEDICAL PLZ, SUITE B114
LOS ANGELES, CA 90095
Nuclear Medicine
200 UCLA MEDICAL PLZ, SUITE B114
LOS ANGELES, CA 90095

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1205137981, enumerated as an "individual" on November 10, 2010.

The provider is located at 200 UCLA MEDICAL PLZ SUITE 420 LOS ANGELES, CA 90095 and the phone number is (310) 206-4083.

Internal Medicine with taxonomy code 207R00000X.