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LEONARD MARK OESTREICHER MD
NPI 1033212022
Family Medicine in Merced, CA

Active since September 06, 2006PECOS Enrolled
374 W OLIVE AVENUE, SUITE B, MERCED, CA 95348(209) 383-3076(209) 383-6301 Get Directions Write a Review

NPPES record last updated: December 11, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 11, 2020, Sep 12, 2019 (2 updates tracked since 2019).

About Leonard Mark Oestreicher Md NPPES

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

LEONARD MARK OESTREICHER MD (NPI 1033212022) is an individual family medicine provider in Merced, California, licensed in California (G29861) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033212022
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameLEONARD MARK OESTREICHERCredential: MD
Location Address374 W OLIVE AVENUE, SUITE BMerced, CA 95348
Mailing AddressPo Box 3768Merced, CA 95344-3768 · (209) 383-3076 · Fax (209) 383-6301
Phone(209) 383-3076
Fax(209) 383-6301
Sole ProprietorNo
Enumeration DateSeptember 6, 2006
Last NPPES UpdateDecember 11, 20202 updates tracked since enumeration
NPPES CertifiedDecember 11, 2020
✔ NPI 1033212022 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G29861
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
374 W OLIVE AVENUE, Merced, CA 95348
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Other Identifiers 1

Medicaid00G298610CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leonard Mark Oestreicher Md 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 Leonard Oestreicher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Merced Faculty Associates Medical Group Incorporated
Same address
Family Medicine
374 W OLIVE AVE, SUITE A
Merced, CA 95348
  • Reassigned Medicare billing, California enrollment
  • 43 clinicians in this Medicare group
NPI 1457550089 (209) 205-1001

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 95348 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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.

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.

Reported Quality Measures

Adult Sinusitis: Computerized Tomography (CT) for Acute Sinusitis (Overuse)
Percentage of patients aged 18 years and older with a diagnosis of acute sinusitis who had a computerized tomography (CT) scan of the paranasal sinuses ordered at the time of diagnosis or received within 28 days after date of diagnosis
Lower rates are better for this measure.
1%135 patients
Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
55%456 patients3/55-star benchmark: 92%
Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
41%461 patients2/55-star benchmark: 100%
Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
57%936 patients
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
53%851 patients3/55-star benchmark: 85%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
29%251 patients2/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%4,337 patients5/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
98%5,834 patients4/55-star benchmark: 99%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
11%439 patients1/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
23%550 patients2/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%426 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
79%3,165 patients4/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
32%2,286 patients2/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 79% · 791 patients
Patients tobacco: 24% · 29 patients
70%791 patients3/55-star benchmark: 98%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
100%3,165 patients5/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
8%3,165 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
20%3,165 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

DIRK HARMEN MOUS MD
Family Medicine
374 W OLIVE AVENUE, SUITE B
MERCED, CA 95348
Merced County (209) 383-3076

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 Leonard Oestreicher's NPI number?

The NPI number for Leonard Oestreicher is 1033212022. It was assigned to this individual provider in the NPPES registry on September 6, 2006.

Where is Leonard Oestreicher located?

Leonard Oestreicher practices at 374 W Olive Avenue Suite B, Merced, CA 95348. The listed phone number is (209) 383-3076.

What is Leonard Oestreicher's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Leonard Oestreicher enrolled in Medicare?

Yes. Leonard Oestreicher is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Leonard Oestreicher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leonard Oestreicher reassigns Medicare benefits to Merced Faculty Associates Medical Group Incorporated (Merced, 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 Leonard Oestreicher'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 Leonard Oestreicher was last updated on December 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.