DR. MARTHA ANN WIEDMAN M.D.
NPI 1245347467
Radiology - Diagnostic Radiology in Bakersfield, CA

Active since August 24, 2006PECOS EnrolledAccepts Medicare Assignment
91.24/100
CMS Quality Rating
1817 TRUXTUN AVE, BAKERSFIELD, CA 93301(661) 325-6800 Get Directions Write a Review

NPPES record last updated: February 17, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Martha Ann Wiedman M.d. NPPES

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

DR. MARTHA ANN WIEDMAN M.D. (NPI 1245347467) is an individual diagnostic radiology provider in Bakersfield, California, licensed in California (G56421) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (1980).

NPPES Registry Identity

NPI1245347467
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. MARTHA ANN WIEDMANCredential: M.D.
Location Address1817 TRUXTUN AVEBakersfield, CA 93301-5008
Mailing Address405 Portway CtBakersfield, CA 93312-7033 · (661) 587-0410
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 1980
Enumeration DateAugust 24, 2006
Last NPPES UpdateFebruary 17, 2015
✔ NPI 1245347467 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · G56421
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1817 TRUXTUN AVE, Bakersfield, CA 93301

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. Martha Ann Wiedman M.d. 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 ID5193885119
PECOS Enrollment IDI20081120000828, I20200605001240
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

14

Medicare enrollment records show Martha Wiedman reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
2301 BAHAMAS DR
Bakersfield, CA 93309
  • Reassigned Medicare billing, California and Hawaii enrollments
  • 252 clinicians in this Medicare group
Diagnostic Radiology
15243 VANOWEN ST
Van Nuys, CA 91405
  • Reassigned Medicare billing, California and Hawaii enrollments
  • Medicare enrollment name: Beverly Radiology Medical Group Iii
  • Also billed through NPI 1396933156 (Hawaii), NPI 1962457812 (California)
  • 335 clinicians in this Medicare group
Vascular-Interventional Technology
16311 VENTURA BLVD STE 120
Encino, CA 91436
  • Reassigned Medicare billing, California enrollment
  • 329 clinicians in this Medicare group
Diagnostic Radiology
1516 COTNER AVE
Los Angeles, CA 90025
  • Reassigned Medicare billing, California enrollment
  • 311 clinicians in this Medicare group
Diagnostic Radiology
6191 N THESTA ST
Fresno, CA 93710
  • Reassigned Medicare billing, Hawaii enrollment
  • 2 clinicians in this Medicare group
Diagnostic Radiology
72855 FRED WARING DR
Palm Desert, CA 92260
  • Reassigned Medicare billing, Hawaii enrollment
  • 3 clinicians in this Medicare group
Diagnostic Radiology
157 E COOLIDGE AVE
Modesto, CA 95350
  • Reassigned Medicare billing, Hawaii enrollment
Radiology
2281 PARAGON DR, SUITE 400
San Jose, CA 95131
  • Reassigned Medicare billing, California enrollment
  • 76 clinicians in this Medicare group
Diagnostic Radiology
1801 E MARCH LN STE A130
Stockton, CA 95210
  • Reassigned Medicare billing, Hawaii enrollment
  • 3 clinicians in this Medicare group
Diagnostic Radiology
2201 WALNUT AVE, SUITE # 150
Fremont, CA 94538
  • Reassigned Medicare billing, Hawaii enrollment
  • 3 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 12

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
1,550 services17 patients
Ct scan of chest without contrast 71250
A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.
108 services93 patients
Mri scan of abdomen before and after contrast 74183
An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.
39 services35 patients
Ct scan of abdomen and pelvis without contrast 74176
A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.
32 services26 patients
Mri scan of abdomen without contrast 74181
An MRI scan of the abdomen without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed pictures of your abdominal organs. This procedure doesn't involve radiation or dye injection.
28 services23 patients
Ct scan of chest with contrast 71260
A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.
24 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93301 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
$91.09 typical visit price
range $59.26 – $178.09
Typical copayment $22.77 (range $14.81 – $44.52)
Most-billed visit code 99203
Established Patient
$73.67 typical visit price
range $19.34 – $145.64
Typical copayment $18.41 (range $4.83 – $36.41)
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.

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.

91.24/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Diagnostic Radiology)
1817 TRUXTUN AVE
BAKERSFIELD, CA 93301
Radiology (Diagnostic Radiology)
1817 TRUXTUN AVE, TRUXTUN RADIOLOGY MEDICAL GROUP LP
BAKERSFIELD, CA 93301
Clinic/Center (Radiology)
1817 TRUXTUN AVE
BAKERSFIELD, CA 93301
Radiology (Neuroradiology)
1817 TRUXTUN AVE, TRUXTUN RADIOLOGY MEDICAL GROUP LP
BAKERSFIELD, CA 93301
Radiology (Diagnostic Radiology)
1817 TRUXTUN AVE, TRUXTUN RADIOLOGY MEDICAL GROUP LP
BAKERSFIELD, CA 93301

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 Martha Wiedman's NPI number?

The NPI number for Martha Wiedman is 1245347467. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Where is Martha Wiedman located?

Martha Wiedman practices at 1817 Truxtun Ave, Bakersfield, CA 93301. The listed phone number is (661) 325-6800.

What is Martha Wiedman's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Martha Wiedman enrolled in Medicare?

Yes. Martha Wiedman 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 Martha Wiedman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martha Wiedman reassigns Medicare benefits to 14 organizations: Kern Radiology Medical Group, Inc (Bakersfield, CA), Beverly Radiology Medical Group (Van Nuys, CA), San Fernando Valley Interventional Radiology And Imaging Center (Encino, CA), Pronet Imaging Medical Group, Inc. (Los Angeles, CA), Fresno Imaging Center (Fresno, CA) and 9 more organizations, listed in the Medicare section above. 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 Martha Wiedman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Martha Wiedman accept?

Health plans from Blue Cross Blue Shield of Arizona list Martha Wiedman 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 Martha Wiedman was last updated on February 17, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.