Dr. Michael Karch, MD
- Medicare services, 2024
- 202
- Medicare patients, 2024
- 126
- Part D claims, 2024
- 43
- Hospital affiliations
- 3
- Industry payments
- $2,604
- Practice address
- 85 Sierra Park Road, Mammoth Lakes, CA 93546
- Practice phone
- Call (760) 934-3311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mammoth Hospital - Clinic
Rural Health Clinic - Hospital-Owned · Mammoth Lakes, California
Find Dr. Karch's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael Karch is an orthopedic surgeon in Mammoth Lakes, California
Dr. Karch practices at Mammoth Hospital - Clinic in Mammoth Lakes, California.
Dr. Karch's NPI, 1861548448, was assigned on January 26, 2007. Dr. Karch graduated from Georgetown University School of Medicine in 1995. Dr. Karch holds Virginia license 0101057821.
- NPI
- 1861548448NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860305422
- NPI enumeration date
- January 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (760) 934-3311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Karch practices at Mammoth Hospital - Clinic in Mammoth Lakes, California
Dr. Karch's primary practice is Mammoth Hospital - Clinic, at 85 Sierra Park Road, Mammoth Lakes, CA 93546. The practice phone is (760) 934-3311.
- Mammoth Hospital - Clinic85 Sierra Park Road, Mammoth Lakes, CA 93546Phone(760) 934-3311
Source: Dmand AI Affiliation Data
Dr. Michael Karch is affiliated with 4 sites of care and 2 medical groups
Dr. Karch's primary practice is Mammoth Hospital - Clinic in Mammoth Lakes, California. Dr. Karch is also affiliated with Mammoth Hospital. The medical group on file is Mammoth Hospital. Dmand AI also links Dr. Karch to 2 more hospitals and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Karch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karch practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mammoth Hospital - Clinic | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Karch is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Karch's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Karch is licensed in Virginia.
Specialties and state licenses
- Orthopaedic surgery, VirginiaPrimary
Orthopedic surgeons near Dr. Karch
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Karch billed Medicare for 202 services in 2024
CMS data shows 202 Medicare services from Dr. Karch across 7 procedure codes in 2024, for 126 Medicare patients. Medicare paid $15,517 for them. Every service was in an office.
Dr. Karch's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1272024: 1346%
- Imaging
- 2023: 602024: 4722%
- Surgery
- 2023: 02024: 21
Dr. Karch compared with the California median for orthopedic surgeons, 2024
- Dr. Karch
- California median
- Medicare services
- 202vs 68370% below
- Medicare patients
- 126vs 21541% below
- Part D claims
- 26vs 7063% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Karch's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Karch and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Karch treated 126 Medicare patients in 2024, average age 74
CMS counts 126 Medicare patients who saw Dr. Karch in 2024. The largest group is 65 to 74, with 66 patients. 75% of them have arthritis, and 71% have high cholesterol. Their average risk score is 0.80, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Karch's median patient age at 69, with 55% women.
Dr. Karch's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Karch's Medicare patients by sex, 2024
- Women8063%
- Men4637%
Chronic conditions among Dr. Karch's Medicare patients, 2024
- Arthritis75%
- High cholesterol71%
- High blood pressure63%
- Diabetes20%
- Osteoporosis20%
- Depression17%
- Mood disorders17%
- Asthma15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Karch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Karch wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Karch wrote 43 Medicare Part D claims for 24 patients. 100% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $140 in total drug cost. In 2016, CMS named 27 claims across 2 drugs.
Dr. Karch's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 272017: 264%
Drugs named by CMS: 2 in 2017, 2 in 2016.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Michael Karch ranks in the 55th percentile for hip replacement in Medicare
Dr. Karch accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Karch as offering telehealth. CMS counts 13 procedures of hip replacement by Dr. Karch, more than 55% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Karch ranks in Medicare procedure volume
- Hip replacement
- 55th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Karch received $2,604 in industry payments from 2016 to 2025
CMS Open Payments shows 24 general payments to Dr. Karch from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 57% of the total. Ortho Development Corporation paid the most, $1,211.
General payments to Dr. Karch by program year, 2016 to 2025
General payments to Dr. Karch by kind, 2016 to 2025
- Food and beverage$1,48757%
- Travel and lodging$1,11843%
Companies that paid Dr. Karch the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Karch graduated from Georgetown University School of Medicine
Dr. Karch graduated from Georgetown University School of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Karch's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael Karch
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael Karch's NPI number?
Dr. Michael Karch's NPI number is 1861548448. It was assigned on January 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Karch?
Dr. Michael Karch is an orthopedic surgeon in Mammoth Lakes, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Michael Karch practice?
Dr. Karch practices at 85 Sierra Park Road, Mammoth Lakes, CA 93546. Dr. Karch's primary practice is Mammoth Hospital - Clinic in Mammoth Lakes, California. Dmand AI also links Dr. Karch to 2 hospitals and 1 medical group.
What is Dr. Michael Karch's office phone number?
The practice phone on file for Dr. Karch is (760) 934-3311.
What is Dr. Michael Karch's medical license number?
Dr. Karch holds Virginia license 0101057821.
Which hospitals is Dr. Michael Karch affiliated with?
Dr. Karch is affiliated with Mammoth Hospital. Dmand AI links Dr. Karch to 2 more hospitals.
What medical group is Dr. Michael Karch part of?
Dr. Karch is linked to Mammoth Hospital. Dmand AI links Dr. Karch to 1 more medical group.
Does Dr. Michael Karch accept Medicare?
Yes. CMS data shows Dr. Karch billed Medicare for 202 services in 2024, and Dr. Karch accepts Medicare assignment.
Does Dr. Michael Karch offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Karch as offering telehealth services.
How many Medicare patients does Dr. Michael Karch see?
CMS counts 126 Medicare patients who saw Dr. Karch in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Michael Karch bill to Medicare?
In 2024, Dr. Karch's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and diagnostic imaging (73562).
Where did Dr. Michael Karch go to medical school?
Dr. Karch graduated from Georgetown University School of Medicine in 1995.
What drugs does Dr. Michael Karch prescribe most?
In 2017 Medicare Part D data, Dr. Karch's most prescribed drugs by claims were Ibuprofen and Omeprazole.
Has Dr. Michael Karch received payments from drug or device companies?
CMS Open Payments shows $2,604 in general payments to Dr. Karch from 11 companies from 2016 to 2025. The largest total came from Ortho Development Corporation.
How long has Dr. Michael Karch been practicing?
Dr. Karch graduated from medical school in 1995, 31 years ago.
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