WEN-YEE TSAI MD
NPI 1952425803
Internal Medicine - Endocrinology, Diabetes & Metabolism in Oakland, CA

NPI Status: Active since March 18, 2007

Contact Information

350 30TH ST
SUITE 320
OAKLAND, CA
ZIP 94609
Phone: (510) 465-7600
Fax: (510) 465-7765

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  • Individual
  • Female
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism
  • PECOS Enrolled

About WEN-YEE TSAI

This page provides the complete NPI Profile along with additional information for Wen-yee Tsai, an internist established in Oakland, California with a medical specialization in Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1952425803 assigned on March 2007. The practitioner's primary taxonomy code is 207RE0101X with license number A112303 (CA). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1952425803
Provider Name
WEN-YEE TSAI MD
Gender
Female
Entity Type
Individual
Location Address
350 30TH ST SUITE 320 OAKLAND, CA 94609
Location Phone
(510) 465-7600
Location Fax
(510) 465-7765
Mailing Address
350 30TH ST SUITE 320 OAKLAND, CA 94609
Mailing Phone
(510) 465-7600
Mailing Fax
(510) 465-7765
Is Sole Proprietor?
No
Enumeration Date
03-18-2007
Last Update Date
12-21-2021
Code Navigator

An internist like Wen-yee Tsai 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 Endocrinology, Diabetes & Metabolism

Taxonomy Code
207RE0101X
Type
Allopathic & Osteopathic Physicians
License No.
A112303
License State
CA
Taxonomy Description
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

MD00048809 (WA)

Medicare Participation & PECOS Enrollment Status

Wen-yee Tsai 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

  • 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

Physician Visit Costs

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 94609 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $153.83
  • Minimum New Patient Price $69
  • Maximum New Patient Price $202.35
  • Average New Patient Copayment $38.45
  • Minimum New Patient Copayment $17.25
  • Maximum New Patient Copayment $50.58

Established Patients Visit Costs *

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

  • Average Established Patient Price $119.48
  • Minimum Established Patient Price $23.44
  • Maximum Established Patient Price $166.46
  • Average Established Patient Copayment $29.87
  • Minimum Established Patient Copayment $5.86
  • Maximum Established Patient Copayment $41.61

* 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.

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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 1952425803, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
Check
3
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 5 → 10 → 1 4 → 8 5 → 10 → 1 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 8 + 2 + 1 + 0 + 8 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1952425803.

Other Providers at the Same Location


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

Internal Medicine (Hematology & Oncology)
350 30TH ST, SUITE #525
OAKLAND, CA 94609
Internal Medicine
350 30TH ST, SUITE 411
OAKLAND, CA 94609
Internal Medicine
350 30TH ST, STE 320
OAKLAND, CA 94609
Family Medicine
350 30TH ST, SUITE 407
OAKLAND, CA 94609
Nurse Practitioner
350 30TH ST, SUITE 205
OAKLAND, CA 94609
Advanced Practice Midwife
350 30TH ST
OAKLAND, CA 94609
Obstetrics & Gynecology (Maternal & Fetal Medicine)
350 30TH ST, SUITE 208
OAKLAND, CA 94609
Internal Medicine (Pulmonary Disease)
350 30TH ST, STE. 520
OAKLAND, CA 94609
Obstetrics & Gynecology (Maternal & Fetal Medicine)
350 30TH ST, SUITE 208
OAKLAND, CA 94609
Internal Medicine (Pulmonary Disease)
350 30TH ST, STE.520
OAKLAND, CA 94609
Obstetrics & Gynecology (Maternal & Fetal Medicine)
350 30TH ST, SUITE 205
OAKLAND, CA 94609
Marriage & Family Therapist
350 30TH ST, SUITE 550
OAKLAND, CA 94609
Obstetrics & Gynecology (Maternal & Fetal Medicine)
350 30TH ST, SUITE 208
OAKLAND, CA 94609
Physician Assistant (Medical)
350 30TH ST, SUITE 100
OAKLAND, CA 94609
Obstetrics & Gynecology (Maternal & Fetal Medicine)
350 30TH ST, SUITE 208
OAKLAND, CA 94609
Urology
350 30TH ST, STE 100
OAKLAND, CA 94609
Internal Medicine (Pulmonary Disease)
350 30TH ST, 530
OAKLAND, CA 94609
Radiologic Technologist (Bone Densitometry)
350 30TH ST, #320
OAKLAND, CA 94609
Nurse Practitioner (Family)
350 30TH ST, SUITE 530
OAKLAND, CA 94609
Obstetrics & Gynecology (Obstetrics)
350 30TH ST, SUITE 205
OAKLAND, CA 94609

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952425803, enumerated as an "individual" on March 18, 2007.

The provider is located at 350 30TH ST SUITE 320 OAKLAND, CA 94609 and the phone number is (510) 465-7600.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.