DR. MICHAEL KARCH M.D.
NPI 1861548448
Orthopaedic Surgery in Mammoth Lakes, CA

Q: What is Michael Karch's NPI number?

The NPI number for Michael Karch is 1861548448. It was assigned to this individual provider in the NPPES registry on January 26, 2007.

Q: What is Michael Karch's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Karch was last updated on November 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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 January 26, 2007PECOS EnrolledAccepts Medicare Assignment

85 SIERRA PARK RD, MAMMOTH LAKES, CA 93546(760) 934-3311(760) 872-6790 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 14, 2025, Feb 21, 2019, Nov 16, 2018 (3 updates tracked since 2018).

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About Dr. Michael Karch M.d. NPPES

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

DR. MICHAEL KARCH M.D. (NPI 1861548448) is an individual orthopaedic surgery provider in Mammoth Lakes, California, licensed in California (A63160) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bishop, and is a graduate of Georgetown University School Of Medicine (1995).

NPPES Registry Identity

NPI1861548448

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameDR. MICHAEL KARCHCredential: M.D.

Location Address85 SIERRA PARK RDMammoth Lakes, CA 93546-2073

Mailing AddressPo Box 660Mammoth Lakes, CA 93546-0660 · (760) 934-3311 · Fax (760) 872-6790

Phone(760) 934-3311

Fax(760) 872-6790

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 1995

Enumeration DateJanuary 26, 2007

Last NPPES UpdateNovember 14, 20253 updates tracked since enumeration

NPPES CertifiedNovember 14, 2025

✔ NPI 1861548448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in CA · A63160

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

85 SIERRA PARK RD, Mammoth Lakes, CA 93546

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Secondary Practice Location 1

Location 1150 Pioneer LnBishop, CA 93514-2556 · Phone (760) 873-2623 · Fax (760) 873-2626

Other Identifiers 17

Other1861548448VA · Tricare

Other1861548448VA · Virginia Premier

Other1861548448VA · Optima Health Plan

Other1861548448VA · Virginia Health Network

Other1861548448VA · Intotal

Other1861548448VA · Gateway

Other1861548448VA · Medicaid

Other1861548448VA · Humana Medicare

Other1861548448VA · Cigna

Other1861548448VA · Anthem Blue Cross-blue Shield

Other1861548448VA · Healthkeepers Plus

Other1861548448VA · Magellan Ccp

Other1861548448VA · United Healthcare

Other1861548448VA · Aetna

Other1861548448VA · Coventry/aetna Better Health

Other1861548448VA · Healthkeepers

Other1861548448VA · United Mine Workers Association

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

Dr. Michael Karch 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 ID2860305422

PECOS Enrollment IDI20031110000446, I20180827002321

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 Reassignments

Medicare enrollment records show Michael Karch reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern Mono Health Care District

0.2 mi

Critical Access Hospital

85 SIERRA PARK RD
Mammoth Lakes, CA 93546

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

NPI 1962444059 (760) 934-3311

Northern Inyo Associates

36 mi

Clinic/Center

152 PIONEER LN, SUITE D
Bishop, CA 93514

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Northern Inyo Healthcare District
Also billed through NPI 1922198712 (California)
131 clinicians in this Medicare group

NPI 1649664848 (760) 872-1606

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 7

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

63 services57 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

47 services41 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

31 services30 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

21 services18 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

16 services16 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93546 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

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

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.

PHYLLIS LEE MENESES RN

Registered Nurse (Registered Nurse First Assistant)