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DR. BONNIE M RATHJEN M.D.
NPI 1952331852
Internal Medicine in Pleasanton, CA

Active since July 04, 2006Opted out of Medicare · through Jun 30, 2027
4125 MOHR AVE, SUITE E-2, PLEASANTON, CA 94566(925) 462-3664(925) 462-3666 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Bonnie M Rathjen M.d. NPPES

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

DR. BONNIE M RATHJEN M.D. (NPI 1952331852) is an individual internal medicine provider in Pleasanton, California, licensed in California (G43694) and active in the NPI registry since July 2006. She has opted out of Medicare through June 30, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1952331852
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. BONNIE M RATHJENCredential: M.D.
Location Address4125 MOHR AVE, SUITE E-2Pleasanton, CA 94566-4749
Mailing Address4125 Mohr Ave, Suite E-2Pleasanton, CA 94566-4749 · (925) 462-3664 · Fax (925) 462-3666
Phone(925) 462-3664
Fax(925) 462-3666
Sole ProprietorYes
Enumeration DateJuly 4, 2006
Last NPPES UpdateJuly 9, 2007
✔ NPI 1952331852 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 · G43694
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.
4125 MOHR AVE, Pleasanton, CA 94566
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Other Identifiers 2

Medicare ID-Type Unspecified00G436940CA
Medicare UPINA49432CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Bonnie M Rathjen M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from June 30, 2017 through June 30, 2027.

Opt-Out Effective DateJune 30, 2017
Opt-Out In Effect ThroughJune 30, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94566 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Other Providers at the Same Location NPPES 2

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

ADVANCED HEARING SYSTEMS
Hearing Instrument Specialist
4125 MOHR AVE, SUITE 1
PLEASANTON, CA 94566
Alameda County (925) 426-1820
DR. ELI BENTABOU DC
Chiropractor (Neurology)
4125 MOHR AVE, SUITE F
PLEASANTON, CA 94566
Alameda County (510) 355-5326

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 Bonnie Rathjen's NPI number?

The NPI number for Bonnie Rathjen is 1952331852. It was assigned to this individual provider in the NPPES registry on July 4, 2006.

Where is Bonnie Rathjen located?

Bonnie Rathjen practices at 4125 Mohr Ave Suite E-2, Pleasanton, CA 94566. The listed phone number is (925) 462-3664.

What is Bonnie Rathjen's specialty?

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

Is Bonnie Rathjen enrolled in Medicare?

No. Bonnie Rathjen has opted out of Medicare through June 30, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Bonnie Rathjen was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.