DR. MARK B. LORENZ MD
NPI 1174649784
Otolaryngology in Anchorage, AK
About Dr. Mark B. Lorenz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK B. LORENZ MD (NPI 1174649784) is an individual otolaryngology provider in Anchorage, Alaska, licensed in Alaska (MEDS7379) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Ohio State University College Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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. Mark B. Lorenz 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.
Medicare Billing Reassignments
4Medicare enrollment records show Mark Lorenz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anchorage, AK 99508
- Reassigned Medicare billing, Texas enrollment
- 1,373 clinicians in this Medicare group
Kenai, AK 99611
- Reassigned Medicare billing, Alaska enrollment
- Medicare enrollment name: South Peninsula Hospital Inc
- 161 clinicians in this Medicare group
Koliganek, AK 99576
- Reassigned Medicare billing, Texas enrollment
- 360 clinicians in this Medicare group
Anchorage, AK 99508
- Reassigned Medicare billing, Alaska enrollment
- 16 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99508 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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 Mark Lorenz's NPI number?
The NPI number for Mark Lorenz is 1174649784. It was assigned to this individual provider in the NPPES registry on March 22, 2007.
Where is Mark Lorenz located?
Mark Lorenz practices at 3730 Rhone Cir Ste 203, Anchorage, AK 99508. The listed phone number is (907) 563-3515.
What is Mark Lorenz's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Mark Lorenz enrolled in Medicare?
Yes. Mark Lorenz 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 Mark Lorenz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Lorenz reassigns Medicare benefits to 4 organizations: Alaska Native Tribal Health Consortium (Anchorage, AK), South Peninsula Hospital Kenai Clinic (Kenai, AK), Bristol Bay Area Health Corporation (Koliganek, AK) and Ear, Nose And Throat Specialists Alaska, Inc. (Anchorage, AK). 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 Mark Lorenz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Lorenz accept?
Health plans from Moda Health Plan, Inc. and Premera Blue Cross Blue Shield of Alaska list Mark Lorenz 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.
When was this NPI record last updated?
The NPPES record for Mark Lorenz was last updated on May 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Mark B. Lorenz, MD · NPI 1174649784
Otolaryngology physician in Anchorage, Alaska. Individual provider, active in the CMS NPPES registry since March 22, 2007.
## Identity
- **NPI:** 1174649784 (Entity type: Individual)
- **Enumerated:** March 22, 2007
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** MEDS7379 (Alaska)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3730 RHONE CIR STE 203, Anchorage, AK 99508-5054
- **Phone:** (907) 563-3515 · **Fax:** (907) 563-3541
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Alaska Native Tribal Health Consortium (NPI 1437189339, Anchorage, AK); South Peninsula Hospital Kenai Clinic (NPI 1164358529, Kenai, AK); Bristol Bay Area Health Corporation (NPI 1013079607, Koliganek, AK); Ear, Nose And Throat Specialists Alaska, Inc. (NPI 1972552891, Anchorage, AK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 2005
## Record status
- **NPPES last updated:** May 15, 2026
- **Other identifiers:** Medicaid 1577654 (AK)
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Source: [NPI Profile](https://npiprofile.com/npi/1174649784) · Data from the CMS NPPES public registry.