MARIA Z MICHNOWSKA M.D.
NPI 1336261106
Internal Medicine in San Andreas, CA

Q: What is Maria Michnowska's NPI number?

The NPI number for Maria Michnowska is 1336261106. It was assigned to this individual provider in the NPPES registry on April 4, 2007.

Q: What is Maria Michnowska's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Maria Michnowska was last updated on April 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since April 04, 2007PECOS EnrolledAccepts Medicare Assignment

704 MOUNTAIN RANCH RD, SUITE 103, SAN ANDREAS, CA 95249(209) 754-4564 Get Directions Write a Review

NPPES record last updated: April 29, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Maria Z Michnowska M.d. NPPES

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

MARIA Z MICHNOWSKA M.D. (NPI 1336261106) is an individual internal medicine provider in San Andreas, California, licensed in California (A73232) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1336261106

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMARIA Z MICHNOWSKACredential: M.D.

Location Address704 MOUNTAIN RANCH RD, SUITE 103San Andreas, CA 95249-0000

Mailing Address610 Anrey CtMurphys, CA 95247-9385 · (209) 754-4564

Phone(209) 754-4564

Sole ProprietorYes

Medical School CMSOtherGraduated 1987

Enumeration DateApril 4, 2007

Last NPPES UpdateApril 29, 2010

✔ NPI 1336261106 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 · A73232

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.

704 MOUNTAIN RANCH RD, San Andreas, CA 95249

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Other Identifiers 6

Medicare ID-Type UnspecifiedWA73232FCA

Medicare ID-Type UnspecifiedWA73232CCA

Medicare ID-Type UnspecifiedWA73232GCA

Medicare ID-Type UnspecifiedWA73232ECA

Medicare ID-Type UnspecifiedWA73232DCA

Medicare UPINH53407

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maria Z Michnowska 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 ID9436044021

PECOS Enrollment IDI20040220001181

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 Michnowska reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community Medical Team Acute Care Corporation

0.1 mi

Emergency Medicine

768 MOUNTAIN RANCH RD
San Andreas, CA 95249

Reassigned Medicare billing, California enrollment
30 clinicians in this Medicare group

NPI 1366210478 (209) 915-6505

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

69 services47 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

34 services33 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

26 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95249 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

$133.94 typical visit price

range $58.87 – $176.60

Typical copayment $33.48 (range $14.71 – $44.15)

Most-billed visit code 99204

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

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…

98%240 patients4/55-star benchmark: 100%

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.

Referred Medical Equipment & Supplies CMS DME claims 4

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier22 claims22 services$21.28 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier17 claims17 services$6.78 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier99 claims99 services$114.29 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

1 supplier66 claims66 services$36.47 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 5

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

MARK TWAIN MEDICAL CENTER

Clinic/Center (Rural Health)

704 MOUNTAIN RANCH RD
SAN ANDREAS, CA 95249

Calaveras County (209) 754-3521

KAREN PEKARCIK LCSW 80071

Social Worker (Clinical)

704 MOUNTAIN RANCH RD
SAN ANDREAS, CA 95249

Calaveras County (209) 754-6525

KAREN KARAM LCSW

Social Worker (Clinical)

704 MOUNTAIN RANCH RD
SAN ANDREAS, CA 95249

Calaveras County (209) 754-4410

SAN ANDREAS SLEEP DISORDERS MEDICAL GROUP, INC

Internal Medicine (Sleep Medicine)

704 MOUNTAIN RANCH RD, SUITE 205
SAN ANDREAS, CA 95249

Calaveras County (209) 754-5374

ADRIANNA C CASTLE

Student in an Organized Health Care Education/Training Program

704 MOUNTAIN RANCH RD
SAN ANDREAS, CA 95249

Calaveras County (209) 754-6525

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 Michnowska's NPI number?

The NPI number for Maria Michnowska is 1336261106. It was assigned to this individual provider in the NPPES registry on April 4, 2007.

Where is Maria Michnowska located?

Maria Michnowska practices at 704 Mountain Ranch Rd Suite 103, San Andreas, CA 95249. The listed phone number is (209) 754-4564.

What is Maria Michnowska's specialty?

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

Is Maria Michnowska enrolled in Medicare?

Yes. Maria Michnowska 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.

Which organization bills Medicare for Maria Michnowska's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Michnowska reassigns Medicare benefits to Community Medical Team Acute Care Corporation (San Andreas, 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 Michnowska'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 Michnowska was last updated on April 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.