MATTHEW BENJAMIN LANCASTER MD
NPI 1255072138
Internal Medicine in Phoenix, AZ

Active since April 05, 2022PECOS EnrolledAccepts Medicare Assignment
1300 N 12TH ST STE 508, PHOENIX, AZ 85006(602) 839-3927(602) 839-4233 Get Directions Write a Review

NPPES record last updated: October 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 27, 2025, Apr 5, 2022 (2 updates tracked since 2022).

About Matthew Benjamin Lancaster Md NPPES

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

MATTHEW BENJAMIN LANCASTER MD (NPI 1255072138) is an individual internal medicine provider in Phoenix, Arizona, licensed in Idaho (4871752) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Saint Alphonsus Regional Medical Center, and maintains a secondary practice location in Nampa.

NPPES Registry Identity

NPI1255072138
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMATTHEW BENJAMIN LANCASTERCredential: MD
Location Address1300 N 12TH ST STE 508Phoenix, AZ 85006-2849
Mailing Address406 S 4th St Apt 407Boise, ID 83702-7693 · (864) 387-9382
Fax(602) 839-4233
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 2022
Enumeration DateApril 5, 2022
Last NPPES UpdateOctober 14, 20252 updates tracked since enumeration
NPPES CertifiedOctober 14, 2025
✔ NPI 1255072138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in ID · 4871752
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.
1300 N 12TH ST STE 508, Phoenix, AZ 85006

Secondary Practice Location 1

Location 14300 E Flamingo AveNampa, ID 83687-3138 · Phone (208) 463-5000

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

Matthew Benjamin Lancaster Md 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 ID3577943216
PECOS Enrollment IDI20250714000000
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 Reassignments

2

Medicare enrollment records show Matthew Lancaster reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychologist
1055 N CURTIS RD
Boise, ID 83706
  • Reassigned Medicare billing, Idaho enrollment
  • 781 clinicians in this Medicare group
Hospitalist
415 6TH ST
Lewiston, ID 83501
  • Reassigned Medicare billing, Idaho enrollment
  • 101 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.

Hospital Affiliations CMS Care Compare 4

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

Saint Alphonsus Regional Medical Center

Acute Care Hospitals · Boise, ID
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number130007
Location1055 North Curtis RoadBoise, ID 83706 · Ada County
Emergency services Birthing friendly

Saint Alphonsus Medical Center - Nampa

Acute Care Hospitals · Nampa, ID
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number130013
Location4300 E Flamingo AveNampa, ID 83687 · Canyon County
Emergency services Birthing friendly

Saint Alphonsus Medical Center - Ontario

Acute Care Hospitals · Ontario, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380052
Location351 SW 9th StreetOntario, OR 97914 · Malheur County
Emergency services

St. Alphonsus Medical Center - Baker City

Critical Access Hospitals · Baker City, OR
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number381315
Location3325 Pocahontas RoadBaker City, OR 97814 · Baker County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85006 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

Student in an Organized Health Care Education/Training Program
1300 N 12TH ST STE 508
PHOENIX, AZ 85006
Internal Medicine
1300 N 12TH ST STE 508
PHOENIX, AZ 85006
Internal Medicine
1300 N 12TH ST STE 508
PHOENIX, AZ 85006
Student in an Organized Health Care Education/Training Program
1300 N 12TH ST STE 508
PHOENIX, AZ 85006
Student in an Organized Health Care Education/Training Program
1300 N 12TH ST STE 508
PHOENIX, AZ 85006
Student in an Organized Health Care Education/Training Program
1300 N 12TH ST STE 508
PHOENIX, AZ 85006
Student in an Organized Health Care Education/Training Program
1300 N 12TH ST STE 508
PHOENIX, AZ 85006
Internal Medicine
1300 N 12TH ST STE 508
PHOENIX, AZ 85006

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 Matthew Lancaster's NPI number?

The NPI number for Matthew Lancaster is 1255072138. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Matthew Lancaster located?

Matthew Lancaster practices at 1300 N 12th St Ste 508, Phoenix, AZ 85006. The listed phone number is (602) 839-3927.

What is Matthew Lancaster's specialty?

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

Is Matthew Lancaster enrolled in Medicare?

Yes. Matthew Lancaster 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 organizations bill Medicare for Matthew Lancaster's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Lancaster reassigns Medicare benefits to 2 organizations: Saint Alphonsus Regional Medical Center Inc (Boise, ID) and Sound Physicians Of Idaho (Lewiston, ID). Each 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 Matthew Lancaster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Lancaster accept?

Health plans from Molina Healthcare list Matthew Lancaster 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 Matthew Lancaster affiliated with any hospitals?

According to CMS data, Matthew Lancaster is affiliated with Saint Alphonsus Regional Medical Center, Saint Alphonsus Medical Center - Nampa, Saint Alphonsus Medical Center - Ontario and St. Alphonsus Medical Center - Baker City.

When was this NPI record last updated?

The NPPES record for Matthew Lancaster was last updated on October 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.