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MRS. CHRISTINA DARIA FONSECA M.D.
NPI 1225222128
Dermatology in Walnut Creek, CA

Active since September 04, 2007PECOS EnrolledAccepts Medicare Assignment
320 LENNON LANE KAISER PERMANENTE MEDICAL GROUP, DEPARTMENT OF DERMATOLOGY, WALNUT CREEK, CA 94598(925) 617-5600(916) 442-5702 Get Directions Write a Review

NPPES record last updated: January 12, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mrs. Christina Daria Fonseca M.d. NPPES

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

MRS. CHRISTINA DARIA FONSECA M.D. (NPI 1225222128) is an individual dermatology provider in Walnut Creek, California, licensed in California (A101459) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Oklahoma College Of Medicine (2006).

NPPES Registry Identity

NPI1225222128
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameMRS. CHRISTINA DARIA FONSECACredential: M.D.
Location Address320 LENNON LANE KAISER PERMANENTE MEDICAL GROUP, DEPARTMENT OF DERMATOLOGYWalnut Creek, CA 94598
Mailing Address320 Lennon Lane Kaiser Permanente Medical Group, Department Of DermatologyWalnut Creek, CA 94598 · (925) 817-5600 · Fax (916) 442-5702
Phone(925) 617-5600
Fax(916) 442-5702
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 2006
Enumeration DateSeptember 4, 2007
Last NPPES UpdateJanuary 12, 2022
NPPES CertifiedJanuary 12, 2022
✔ NPI 1225222128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in CA · A101459
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
320 LENNON LANE KAISER PERMANENTE MEDICAL GROUP, Walnut Creek, CA 94598
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Other Names 1

Other Name (5)Christina Darla Mumm M.d.

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

Mrs. Christina Daria Fonseca 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 ID5496893679
PECOS Enrollment IDI20091109000292
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 94598 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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 Christina Fonseca's NPI number?

The NPI number for Christina Fonseca is 1225222128. It was assigned to this individual provider in the NPPES registry on September 4, 2007. The provider is also known as Christina Darla Mumm M.D..

Where is Christina Fonseca located?

Christina Fonseca practices at 320 Lennon Lane Kaiser Permanente Medical Group Department Of Dermatology, Walnut Creek, CA 94598. The listed phone number is (925) 617-5600.

What is Christina Fonseca's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Christina Fonseca enrolled in Medicare?

Yes. Christina Fonseca 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 Christina Fonseca was last updated on January 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.