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PETER DEMUTH MD
NPI 1831622034
Internal Medicine in Loma Linda, CA

Active since April 05, 2017PECOS EnrolledAccepts Medicare Assignment
85.18/100
CMS Quality Rating
11234 ANDERSON ST, LOMA LINDA, CA 92354(909) 558-4074 Get Directions Write a Review

NPPES record last updated: September 26, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Peter Demuth Md NPPES

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

PETER DEMUTH MD (NPI 1831622034) is an individual internal medicine provider in Loma Linda, California, licensed in California (A159319) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1831622034
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NamePETER DEMUTHCredential: MD
Location Address11234 ANDERSON STLoma Linda, CA 92354-2804
Mailing Address11234 Anderson StLoma Linda, CA 92350-1716 · (909) 558-4074
Phone(909) 558-4074
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 5, 2017
Last NPPES UpdateSeptember 26, 2025
NPPES CertifiedSeptember 26, 2025
✔ NPI 1831622034 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 · A159319
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.
11234 ANDERSON ST, Loma Linda, CA 92354
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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

Peter Demuth 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 ID5193147726
PECOS Enrollment IDI20200626001113
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 Peter Demuth reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Faculty Physicians And Surgeons Of Llusm
Same address
Pediatrics
11234 ANDERSON ST
Loma Linda, CA 92350
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group
NPI 1477503407 (909) 558-4000
Sac Health System
3.7 mi
Federally Qualified Health Center (FQHC)
1454 E 2ND ST
San Bernardino, CA 92408
  • Reassigned Medicare billing, California enrollment
  • 455 clinicians in this Medicare group
NPI 1013935915 (909) 382-7100

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 high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
135 services89 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
97 services39 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.
64 services53 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
27 services27 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.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92354 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

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.

85.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.81
Promoting Interoperability82
Improvement Activities40
Cost64.54

Referred Medical Equipment & Supplies CMS DME claims 11

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers27 claims78 services$4.73 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers15 claims24 services$0.57 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
4 suppliers11 claims11 services$47.90 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers21 claims21 services$43.72 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers48 claims48 services$15.23 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
3 suppliers13 claims13 services$768.16 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

ELYSE LAUREN GURAN
Anesthesiology
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4015
SAMUEL COOK CHAMBI
Anesthesiology
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4015
LUIS MIGUEL OLMEDO TEMICH MD
General Practice
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-2822
HYUKJE SUNG MD, MA
Preventive Medicine (Occupational Medicine)
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-6491
JEFFERSON BRANCH RICHARDS
Student in an Organized Health Care Education/Training Program
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4074
JOSEPH UNIS M.D.
Radiology (Diagnostic Radiology)
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-8311
MARINA LIU M.D.
Anesthesiology
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4475
JOSEPH M WILKINSON CRNA
Nurse Anesthetist, Certified Registered
11234 ANDERSON ST
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4475

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 Peter Demuth's NPI number?

The NPI number for Peter Demuth is 1831622034. It was assigned to this individual provider in the NPPES registry on April 5, 2017.

Where is Peter Demuth located?

Peter Demuth practices at 11234 Anderson St, Loma Linda, CA 92354. The listed phone number is (909) 558-4074.

What is Peter Demuth's specialty?

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

Is Peter Demuth enrolled in Medicare?

Yes. Peter Demuth 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 Peter Demuth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Demuth reassigns Medicare benefits to 2 organizations: Faculty Physicians And Surgeons Of Llusm (Loma Linda, CA) and Sac Health System (San Bernardino, CA). 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 Peter Demuth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Peter Demuth was last updated on September 26, 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.