DR. JOHN D WALTHER MD
NPI 1609816958
Emergency Medicine in Santa Cruz, CA

Active since June 07, 2006PECOS EnrolledAccepts Medicare Assignment
94.62/100
CMS Quality Rating
2025 SOQUEL AVE, SANTA CRUZ, CA 95062(831) 458-5537 Get Directions Write a Review

NPPES record last updated: December 3, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. John D Walther Md NPPES

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

DR. JOHN D WALTHER MD (NPI 1609816958) is an individual emergency medicine provider in Santa Cruz, California, licensed in California (G40705) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (1978).

NPPES Registry Identity

NPI1609816958
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JOHN D WALTHERCredential: MD
Location Address2025 SOQUEL AVESanta Cruz, CA 95062-1323
Mailing AddressPo Box 276950Sacramento, CA 95827-6950
Sole ProprietorNo
Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 1978
Enumeration DateJune 7, 2006
Last NPPES UpdateDecember 3, 2024
NPPES CertifiedDecember 3, 2024
NPI 1609816958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · G40705
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

2025 SOQUEL AVE, Santa Cruz, CA 95062

Other Identifiers 2

OtherG40705CA · Anthem Blue Cross
Medicaid1609816958CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. John D Walther 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 ID446145064
PECOS Enrollment IDI20080528000435
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.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
76 services74 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
73 services65 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
59 services51 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
24 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95062 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
$96.03 typical visit price
range $62.97 – $186.69
Typical copayment $24.00 (range $15.74 – $46.67)
Most-billed visit code 99203
Established Patient
$109.72 typical visit price
range $21.02 – $153.16
Typical copayment $27.43 (range $5.25 – $38.29)
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.

94.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.67
Improvement Activities40
Cost97.14

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.

Physical Therapist
2025 SOQUEL AVE
SANTA CRUZ, CA 95062
Marriage & Family Therapist
2025 SOQUEL AVE
SANTA CRUZ, CA 95062
Internal Medicine
2025 SOQUEL AVE
SANTA CRUZ, CA 95062
Pharmacy (Community/Retail Pharmacy)
2025 SOQUEL AVE
SANTA CRUZ, CA 95062
Internal Medicine (Rheumatology)
2025 SOQUEL AVE
SANTA CRUZ, CA 95062
Nurse Practitioner (Family)
2025 SOQUEL AVE
SANTA CRUZ, CA 95062
Internal Medicine
2025 SOQUEL AVE
SANTA CRUZ, CA 95062
Family Medicine
2025 SOQUEL AVE
SANTA CRUZ, CA 95062

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 John Walther's NPI number?

The NPI number for John Walther is 1609816958. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is John Walther located?

John Walther practices at 2025 Soquel Ave, Santa Cruz, CA 95062. The listed phone number is (831) 458-5537.

What is John Walther's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is John Walther enrolled in Medicare?

Yes. John Walther 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.

When was this NPI record last updated?

The NPPES record for John Walther was last updated on December 3, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.