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DR. JOHN MORITZ WIEMANN IV MD
NPI 1730228768
Orthopaedic Surgery in Hollister, CA

Active since February 06, 2007PECOS EnrolledAccepts Medicare Assignment
930 SUNNYSLOPE RD STE C4, HOLLISTER, CA 95023(831) 636-7950 Get Directions Write a Review

NPPES record last updated: April 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 30, 2026, Feb 13, 2023, Nov 4, 2019 and 3 more (6 updates tracked since 2015).

About Dr. John Moritz Wiemann Iv Md NPPES

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

DR. JOHN MORITZ WIEMANN IV MD (NPI 1730228768) is an individual orthopaedic surgery provider in Hollister, California, licensed in California (A140151) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2006).

NPPES Registry Identity

NPI1730228768
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. JOHN MORITZ WIEMANN IVCredential: MD
Location Address930 SUNNYSLOPE RD STE C4Hollister, CA 95023-5617
Mailing Address383 Corral De Tierra RdCorral De Tierra, CA 93908-8917 · (937) 641-9594
Phone(831) 636-7950
Sole ProprietorYes
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2006
Enumeration DateFebruary 6, 2007
Last NPPES UpdateApril 30, 20266 updates tracked since enumeration
NPPES CertifiedApril 30, 2026
✔ NPI 1730228768 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in CA · A140151
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Pediatric Orthopaedic SurgeryTaxonomy 207XP3100X · License A140151 (CA)
930 SUNNYSLOPE RD STE C4, Hollister, CA 95023
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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 Moritz Wiemann Iv 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 ID1759530207
PECOS Enrollment IDI20160113002653
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95023 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
$107.20 typical visit price
range $70.72 – $207.37
Typical copayment $26.80 (range $17.68 – $51.84)
Most-billed visit code 99203
Established Patient
$86.98 typical visit price
range $24.01 – $170.46
Typical copayment $21.74 (range $6.00 – $42.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Wiemann's NPI number?

The NPI number for John Wiemann is 1730228768. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Where is John Wiemann located?

John Wiemann practices at 930 Sunnyslope Rd Ste C4, Hollister, CA 95023. The listed phone number is (831) 636-7950.

What is John Wiemann's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is John Wiemann enrolled in Medicare?

Yes. John Wiemann 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 Wiemann was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.