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MARIA ELENA KAMMERER C.N.M.
NPI 1972661973
Advanced Practice Midwife in San Leandro, CA

Active since December 04, 2006PECOS Enrolled
2500 MERCED ST, SAN LEANDRO, CA 94577(510) 454-1000 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 3, 2022, Oct 2, 2015 (2 updates tracked since 2015).

About Maria Elena Kammerer C.n.m. NPPES

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

MARIA ELENA KAMMERER C.N.M. (NPI 1972661973) is an individual advanced practice midwife in San Leandro, California, licensed in California (1561) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972661973
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameMARIA ELENA KAMMERERCredential: C.N.M.
Location Address2500 MERCED STSan Leandro, CA 94577-4201
Mailing Address2500 Merced StSan Leandro, CA 94577-4201 · (510) 454-1000
Phone(510) 454-1000
Sole ProprietorNo
Enumeration DateDecember 4, 2006
Last NPPES UpdateJanuary 3, 20222 updates tracked since enumeration
✔ NPI 1972661973 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in CA · 1561
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
2500 MERCED ST, San Leandro, CA 94577
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria Elena Kammerer C.n.m. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Maria Kammerer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
15 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94577 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.

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. SHIENA SHARMA MD
Anesthesiology
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 454-1000
ANTHONY MICHAEL BATTAGLIA RN
Registered Nurse
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 454-1000
DR. ELIZABETH MACERA N.P.
Nurse Practitioner
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 454-1000
MS. TSUI TAM PHARM. D.
Pharmacist
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 454-2747
JEFFREY LI M.D.
Radiology (Diagnostic Radiology)
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 737-3032
CHIN-HSIANG FENG
Emergency Medicine
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 518-5598
MS. JESSICA RAE MARTINEZ CNM
Advanced Practice Midwife
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (925) 548-4751
DR. GRACE MINDY LEE M.D.
Emergency Medicine
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 454-1000

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 Maria Kammerer's NPI number?

The NPI number for Maria Kammerer is 1972661973. It was assigned to this individual provider in the NPPES registry on December 4, 2006.

Where is Maria Kammerer located?

Maria Kammerer practices at 2500 Merced St, San Leandro, CA 94577. The listed phone number is (510) 454-1000.

What is Maria Kammerer's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Maria Kammerer enrolled in Medicare?

Yes. Maria Kammerer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maria Kammerer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Kammerer reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, CA). The 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 Maria Kammerer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Maria Kammerer was last updated on January 3, 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.