DR. TAMMY LYNN SMITH DO
NPI 1750361200
Obstetrics & Gynecology - Maternal & Fetal Medicine in Boise, ID

NPI Status: Active since January 20, 2006

Contact Information

900 N LIBERTY ST STE 206
BOISE, ID
ZIP 83704
Phone: (208) 302-1100

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  • Individual
  • Female
  • Years of Experience 41
  • Obstetrics & Gynecology
  • Maternal & Fetal Medicine
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About TAMMY SMITH

This page provides the complete NPI Profile along with additional information for Tammy Smith, a women's health care provider established in Boise, Idaho with a medical specialization in Obstetrics & Gynecology, focusing in maternal & fetal medicine and more than 41 years of experience. She graduated from College Of Osteo Med Of The Pacific At Pomona in 1985. The healthcare provider is registered in the NPI registry with number 1750361200 assigned on January 2006. The practitioner's primary taxonomy code is 207VM0101X with license number 20A 5345 (CA). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1750361200
Provider Name
DR. TAMMY LYNN SMITH DO
Other Name
TAMMY SMITH GERSTENFELD
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
900 N LIBERTY ST STE 206 BOISE, ID 83704
Location Phone
(208) 302-1100
Mailing Address
PO BOX 190930 BOISE, ID 83719
Medical School Name
COLLEGE OF OSTEO MED OF THE PACIFIC AT POMONA
Graduation Year
1985
Is Sole Proprietor?
No
Enumeration Date
01-20-2006
Last Update Date
05-11-2026
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Women's health care providers like Tammy Smith treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, 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

Obstetrics & Gynecology Maternal & Fetal Medicine

Taxonomy Code
207VM0101X
Type
Allopathic & Osteopathic Physicians
License No.
20A 5345
License State
CA
Taxonomy Description
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.

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)
1207VM0101XAllopathic & Osteopathic Physicians

Obstetrics & Gynecology
Maternal & Fetal Medicine

7771968 (ID)

Medicare Participation & PECOS Enrollment Status

Tammy Smith 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 Smith 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: 4385736206

    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: I20070823000559

    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

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $30.31 for a new patient copayment and $16.44 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 83704 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $121.27
  • Minimum New Patient Price $52.44
  • Maximum New Patient Price $160.17
  • Average New Patient Copayment $30.31
  • Minimum New Patient Copayment $13.11
  • Maximum New Patient Copayment $40.04

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $65.77
  • Minimum Established Patient Price $16.68
  • Maximum Established Patient Price $130.93
  • Average Established Patient Copayment $16.44
  • Minimum Established Patient Copayment $4.17
  • Maximum Established Patient Copayment $32.73

* 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 1750361200, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 0 + 0 + 6 + 6 + 2 + 2 + 0 + 24 = 50

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

The next multiple of ten after 50 is 50. The difference is the calculated check digit.

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1750361200.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Genetic Counselor, MS
900 N LIBERTY ST STE 206
BOISE, ID 83704
Genetic Counselor, MS
900 N LIBERTY ST STE 206
BOISE, ID 83704
Obstetrics & Gynecology (Maternal & Fetal Medicine)
900 N LIBERTY ST STE 206
BOISE, ID 83704
Obstetrics & Gynecology (Maternal & Fetal Medicine)
900 N LIBERTY ST STE 206
BOISE, ID 83704
Genetic Counselor, MS
900 N LIBERTY ST STE 206
BOISE, ID 83704
Pediatrics (Pediatric Cardiology)
900 N LIBERTY ST STE 206
BOISE, ID 83704
Obstetrics & Gynecology (Maternal & Fetal Medicine)
900 N LIBERTY ST STE 206
BOISE, ID 83704
Genetic Counselor, MS
900 N LIBERTY ST STE 206
BOISE, ID 83704

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1750361200, enumerated as an "individual" on January 20, 2006.

The provider is located at 900 N LIBERTY ST STE 206 BOISE, ID 83704 and the phone number is (208) 302-1100.

Obstetrics & Gynecology with taxonomy code 207VM0101X and a focus in Maternal & Fetal Medicine.