Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM PETER DAINES M.D.
NPI 1205072394
Internal Medicine in Salt Lake City, UT

Active since December 19, 2008PECOS EnrolledAccepts Medicare Assignment
2000 S 900 E, SALT LAKE CITY, UT 84105(801) 464-7660 Get Directions Write a Review

NPPES record last updated: October 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 12, 2026, Aug 16, 2021 (2 updates tracked since 2021).

About Dr. William Peter Daines M.d. NPPES

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

DR. WILLIAM PETER DAINES M.D. (NPI 1205072394) is an individual internal medicine provider in Salt Lake City, Utah, licensed in California (A109683) and active in the NPI registry since December 2008. He is enrolled in Medicare PECOS, is affiliated with Lds Hospital, and maintains a secondary practice location in Stanford.

NPPES Registry Identity

NPI1205072394
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM PETER DAINESCredential: M.D.
Location Address2000 S 900 ESalt Lake City, UT 84105-3208
Mailing AddressPo Box 27128Salt Lake City, UT 84127-0128
Sole ProprietorYes
Medical School CMSJs Weill Medical College, Cornell UniversityGraduated 2008
Enumeration DateDecember 19, 2008
Last NPPES UpdateOctober 12, 20262 updates tracked since enumeration
NPPES CertifiedOctober 12, 2026
✔ NPI 1205072394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A109683
Definition
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.
2000 S 900 E, Salt Lake City, UT 84105

Secondary Practice Location 1

Location 1300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Peter Daines 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 ID3476721457
PECOS Enrollment IDI20140617000830
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.

Medicare Billing Reassignment

Medicare enrollment records show William Daines reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
1400 FOOTHILL DR, #101
Salt Lake City, UT 84108
  • Reassigned Medicare billing, Utah enrollment
  • 3,691 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.

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.
45 services21 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
36 services36 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.
35 services27 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
16 services15 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Lds Hospital

Acute Care Hospitals · Salt Lake City, UT
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number460006
Location8th Avenue And C StreetSalt Lake City, UT 84143 · Salt Lake County
Emergency services Birthing friendly

Intermountain Medical Center

Acute Care Hospitals · Murray, UT
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number460010
Location5121 South Cottonwood StreetMurray, UT 84107 · Salt Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 84105 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
$125.70 typical visit price
range $54.34 – $166.03
Typical copayment $31.42 (range $13.58 – $41.50)
Most-billed visit code 99204
Established Patient
$96.35 typical visit price
range $17.23 – $135.20
Typical copayment $24.08 (range $4.30 – $33.80)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

Internal Medicine
2000 S 900 E
SALT LAKE CITY, UT 84105
Otolaryngology
2000 S 900 E
SALT LAKE CITY, UT 84105
Pediatrics
2000 S 900 E
SALT LAKE CITY, UT 84105
Student in an Organized Health Care Education/Training Program
2000 S 900 E
SALT LAKE CITY, UT 84105
Pharmacy (Community/Retail Pharmacy)
2000 S 900 E
SALT LAKE CITY, UT 84105
Physical Therapist
2000 S 900 E
SALT LAKE CITY, UT 84105
Internal Medicine
2000 S 900 E
SALT LAKE CITY, UT 84105
Internal Medicine
2000 S 900 E
SALT LAKE CITY, UT 84105

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 William Daines's NPI number?

The NPI number for William Daines is 1205072394. It was assigned to this individual provider in the NPPES registry on December 19, 2008.

Where is William Daines located?

William Daines practices at 2000 S 900 E, Salt Lake City, UT 84105. The listed phone number is (801) 464-7660.

What is William Daines's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Daines enrolled in Medicare?

Yes. William Daines 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.

Which organization bills Medicare for William Daines's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Daines reassigns Medicare benefits to Ihc Health Services Inc (Salt Lake City, UT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Daines's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Daines accept?

Health plans from Select Health list William Daines as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Daines affiliated with any hospitals?

According to CMS data, William Daines is affiliated with Lds Hospital and Intermountain Medical Center.

When was this NPI record last updated?

The NPPES record for William Daines was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.