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DR. BONNIE S KIMMEL M.D.
NPI 1508830944
Internal Medicine - Endocrinology, Diabetes & Metabolism in Walnut Creek, CA

Active since February 14, 2006Opted out of Medicare · through May 10, 2027
1450 TREAT BLVD, SUITE 250A, WALNUT CREEK, CA 94597(925) 296-9740(925) 296-9062 Get Directions Write a Review

NPPES record last updated: May 27, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Bonnie S Kimmel M.d. NPPES

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

DR. BONNIE S KIMMEL M.D. (NPI 1508830944) is an individual endocrinology, diabetes & metabolism provider in Walnut Creek, California, licensed in California (A98500) and active in the NPI registry since February 2006. She has opted out of Medicare through May 10, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1508830944
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. BONNIE S KIMMELCredential: M.D.
Location Address1450 TREAT BLVD, SUITE 250AWalnut Creek, CA 94597-2168
Mailing AddressDept 34929, P.o. Box 39000San Francisco, CA 94139-0001 · (925) 952-2828 · Fax (925) 952-2850
Phone(925) 296-9740
Fax(925) 296-9062
Sole ProprietorNo
Enumeration DateFebruary 14, 2006
Last NPPES UpdateMay 27, 2014
✔ NPI 1508830944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · A98500
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
1450 TREAT BLVD, Walnut Creek, CA 94597
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Other Identifiers 5

Medicare UPINI35074
Medicaid001431668CT
OtherP01288744CA · Railroad Medicare
Medicare PINCV046ZCA
Medicare ID-Type Unspecified110009587CT

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 S Kimmel 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 May 10, 2023 through May 10, 2027.

Opt-Out Effective DateMay 10, 2023
Opt-Out In Effect ThroughMay 10, 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 94597 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.

Referred Medical Equipment & Supplies CMS DME claims 7

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
3 suppliers21 claims264 services$17.82 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
3 suppliers24 claims735 services$2.34 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
29 suppliers88 claims304 services$5.99 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers19 claims28 services$1.07 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
2 suppliers29 claims29 services$292.61 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
6 suppliers12 claims1,280 services$7.37 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.

DR. JASLEEN SOHAL M.D.
Family Medicine
1450 TREAT BLVD, SUITE 120B
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720
DR. HENNESSEY TSENG M.D.
Internal Medicine (Cardiovascular Disease)
1450 TREAT BLVD, SUITE 220B
WALNUT CREEK, CA 94597
Contra Costa County (925) 937-1770
DR. DEBORAH A GREER M.D.
Family Medicine
1450 TREAT BLVD, SUITE 160
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9000
DR. RUQAYA FATIMA M.D.
Family Medicine
1450 TREAT BLVD, SUITE 160
WALNUT CREEK, CA 94597
Contra Costa County (925) 286-9000
DR. PRITI H PATEL M.D.
Family Medicine
1450 TREAT BLVD, SUITE 120B
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720
DR. DEVORAH E BEN-ZEEV M.D.
Internal Medicine
1450 TREAT BLVD, SUITE 120A
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720
DR. KATHLEEN SMITH M.D.
Pediatrics
1450 TREAT BLVD, SUITE 140
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9770
DR. TESSIE A OKAMURA M.D.
Pediatrics
1450 TREAT BLVD, SUITE 140
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9770

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 Kimmel's NPI number?

The NPI number for Bonnie Kimmel is 1508830944. It was assigned to this individual provider in the NPPES registry on February 14, 2006.

Where is Bonnie Kimmel located?

Bonnie Kimmel practices at 1450 Treat Blvd Suite 250A, Walnut Creek, CA 94597. The listed phone number is (925) 296-9740.

What is Bonnie Kimmel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Bonnie Kimmel enrolled in Medicare?

No. Bonnie Kimmel has opted out of Medicare through May 10, 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 Kimmel was last updated on May 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.