Dr. Josiah Aaron Valk, DO
- Medicare services, 2024
- 28
- Medicare patients, 2024
- 38
- Publications
- 5
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 6 Longmeadow Village Dr, Niles, MI 49120
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lakeland Orthopedics - HOPD
Acute Care Hospital outpatient department · Niles, Michigan
Find Dr. Valk's professional email, personal email and mobile number
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Dr. Josiah Aaron Valk is an orthopedic surgeon in Niles, Michigan
Dr. Valk practices at Lakeland Orthopedics - HOPD in Niles, Michigan.
Dr. Valk's NPI, 1619534963, was assigned on May 22, 2019. Dr. Valk graduated from Michigan State University College Of Osteopathic Medicine in 2015. Dr. Valk holds California license 20A22266.
- NPI
- 1619534963NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749514172
- NPI enumeration date
- May 22, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Josiah Aaron Valk practices at Lakeland Orthopedics - HOPD in Niles, Michigan
Dr. Valk's primary practice is Lakeland Orthopedics - HOPD, at 6 Longmeadow Village Dr, Niles, MI 49120.
- Lakeland Orthopedics - HOPD6 Longmeadow Village Dr, Niles, MI 49120
Source: Dmand AI Affiliation Data
Dr. Josiah Aaron Valk is affiliated with 7 sites of care and 4 medical groups
Dr. Valk's primary practice is Lakeland Orthopedics - HOPD in Niles, Michigan. Dr. Valk is also affiliated with Corewell Health Lakeland Hospitals - Saint Joseph Hospital. The medical group on file is Corewell Health Medical Group South. Dmand AI also links Dr. Valk to 1 more hospital, 3 group practices and clinics, 3 medical groups and 1 home health agency, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Josiah Aaron Valk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Valk practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lakeland Orthopedics - HOPD | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Josiah Aaron Valk is one of 823 orthopedic surgeons in Michigan
Orthopaedic surgery is Dr. Valk's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Valk is board certified in 2023 - 2025 by the CA State License. Dmand AI has Dr. Valk's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Michigan license
Clinical focus
Dmand AI lists muscle pain, fibromyalgia, and limb pain among the conditions Dr. Valk treats.
Orthopedic surgeons near Dr. Valk
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. Josiah Aaron Valk billed Medicare for 28 services in 2024
CMS data shows 28 Medicare services from Dr. Valk across 2 procedure codes in 2024, for 38 Medicare patients. Medicare paid $4,823 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Valk compared with the Michigan median for orthopedic surgeons, 2024
- Dr. Valk
- Michigan median
- Medicare services
- 28vs 52395% below
- Medicare patients
- 38vs 17278% below
Medians across 781 orthopedic surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Valk'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. Valk and other orthopedic surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Josiah Aaron Valk treated 38 Medicare patients in 2024, average age 72
CMS counts 38 Medicare patients who saw Dr. Valk in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Valk's median patient age at 53, with 55% women.
Dr. Valk's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Valk's Medicare patients by sex, 2024
- Women1950%
- Men1950%
Chronic conditions among Dr. Valk's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure68%
Share of Medicare patients with each condition. A patient can have several.
Dr. Valk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
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. Josiah Aaron Valk scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Valk for performance year 2024, reported as part of a group. Dr. Valk accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Valk, more than 51% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Valk's MIPS scores, performance year 2024
- 100of 100Final score
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Valk ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 51st percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Josiah Aaron Valk has 5 publications on record
Dmand AI links 5 papers to Dr. Valk, published from 2022 to 2023. 2023 was the busiest year, with 2. Dr. Valk has published most often in Cureus. Dr. Valk's most frequent co-authors are Daniel Paul McCall, DO, Mohamed Ali Saad, MD and David Sosnoski, DO.
Dr. Valk's most frequent co-authors
- Daniel Paul McCall, DO1 shared paper
- Mohamed Ali Saad, MD1 shared paper
- David Sosnoski, DO1 shared paper
Recent publications by Dr. Valk
JBJS Case Connect
See who Dr. Valk researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Valk works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Josiah Aaron Valk received $46,116 in industry payments from 2019 to 2025
CMS Open Payments shows 168 general payments to Dr. Valk from 20 drug and device companies from 2019 to 2025. Grants make up the largest share, 43% of the total. Arthrex, Inc. paid the most, $21,618.
General payments to Dr. Valk by program year, 2019 to 2025
General payments to Dr. Valk by kind, 2019 to 2025
- Grants$20,00043%
- Travel and lodging$10,16522%
- Education$7,44816%
- Food and beverage$7,00415%
- Consulting fees$1,5003%
Companies that paid Dr. Valk the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Josiah Aaron Valk graduated from Michigan State University College Of Osteopathic Medicine
Dr. Valk graduated from Michigan State University College Of Osteopathic Medicine in 2015.
- Medical school
- Board certified in 2023 - 2025
- Board certified in 2019 - 2028
- Board certified in 2021 - 2024
Source: Dmand AI Professional Profile Data
Dr. Josiah Aaron Valk accepts plans from 5 insurance carriers
Dr. Valk is in network with 5 carriers, including Priority Health, Humana and Molina. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Priority Health
- Humana
- Molina
- United Healthcare
- CMS Medicare
Plan types Dr. Valk accepts, by number of carriers
- Medicare5
- HMO4
- POS2
- PPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Josiah Aaron Valk'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Josiah Aaron Valk
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What is Dr. Josiah Aaron Valk's NPI number?
Dr. Josiah Aaron Valk's NPI number is 1619534963. It was assigned on May 22, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Josiah Aaron Valk?
Dr. Josiah Aaron Valk is an orthopedic surgeon in Niles, Michigan. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Josiah Aaron Valk practice?
Dr. Valk practices at 6 Longmeadow Village Dr, Niles, MI 49120. Dr. Valk's primary practice is Lakeland Orthopedics - HOPD in Niles, Michigan. Dmand AI also links Dr. Valk to 1 hospital, 3 group practices and clinics, 3 medical groups and 1 home health agency.
What is Dr. Josiah Aaron Valk's medical license number?
Dr. Valk holds California license 20A22266, one of the licenses on file in 2 states.
Which states has Dr. Josiah Aaron Valk been licensed in?
Dmand AI has state licenses on file for Dr. Valk in California and Michigan.
Which hospitals is Dr. Josiah Aaron Valk affiliated with?
Dr. Valk is affiliated with Corewell Health Lakeland Hospitals - Saint Joseph Hospital. Dmand AI links Dr. Valk to 1 more hospital.
What medical group is Dr. Josiah Aaron Valk part of?
Dr. Valk is linked to Corewell Health Medical Group South. Dmand AI links Dr. Valk to 3 more medical groups.
Does Dr. Josiah Aaron Valk accept Medicare?
Yes. CMS data shows Dr. Valk billed Medicare for 28 services in 2024, and Dr. Valk accepts Medicare assignment.
What is Dr. Josiah Aaron Valk's MIPS score?
Dr. Valk's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Josiah Aaron Valk see?
CMS counts 38 Medicare patients who saw Dr. Valk in 2024, with an average age of 72.
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Is Dr. Josiah Aaron Valk board certified?
Yes. Dr. Valk is board certified in 2023 - 2025 by the CA State License.
What services does Dr. Josiah Aaron Valk bill to Medicare?
In 2024, Dr. Valk's most billed Medicare services were surgery: bones and joints (23472) and surgery: bones and joints (29827).
Where did Dr. Josiah Aaron Valk go to medical school?
Dr. Valk graduated from Michigan State University College Of Osteopathic Medicine in 2015.
Has Dr. Josiah Aaron Valk received payments from drug or device companies?
CMS Open Payments shows $46,116 in general payments to Dr. Valk from 20 companies from 2019 to 2025. The largest total came from Arthrex, Inc.
How long has Dr. Josiah Aaron Valk been practicing?
Dr. Valk graduated from medical school in 2015, 11 years ago.
Does Dr. Josiah Aaron Valk do research?
Dmand AI links 5 publications to Dr. Valk, published from 2022 to 2023.
Who does Dr. Josiah Aaron Valk publish with?
Dr. Valk's most frequent co-authors are Daniel Paul McCall, DO (1 shared paper), Mohamed Ali Saad, MD (1 shared paper) and David Sosnoski, DO (1 shared paper).
What insurance does Dr. Josiah Aaron Valk accept?
Dr. Valk is in network with 5 carriers, including Priority Health, Humana and Molina. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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