Dr. Joseph Erik Testa, DO
- Medicare services, 2024
- 55
- Medicare patients, 2026
- 73
- Part D claims, 2026
- 78
- Hospital affiliations
- 1
- Industry payments
- $9,794
- Practice address
- 826 West King Street, Owosso, MI 48867
- Practice phone
- Call (989) 723-5211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Testa's professional email, personal email and mobile number
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Dr. Joseph Erik Testa is a general surgeon in Owosso, Michigan
Dr. Testa practices at Memorial Healthcare in Owosso, Michigan, part of Memorial Healthcare.
Dr. Testa's NPI, 1336325745, was assigned on January 16, 2008. Dr. Testa graduated from West Virginia School of Osteopathic Medicine in 2007. Dr. Testa holds Michigan license 5101017433.
- NPI
- 1336325745NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587799135
- NPI enumeration date
- January 16, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (989) 723-5211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Erik Testa practices at Memorial Healthcare in Owosso, Michigan
Dr. Testa's primary practice is Memorial Healthcare, at 826 West King Street, Owosso, MI 48867 in Shiawassee County. The practice phone is (989) 723-5211.
- Memorial Healthcare826 West King Street, Owosso, MI 48867 · Shiawassee CountyPhone(989) 723-5211
Source: Dmand AI Affiliation Data
Dr. Joseph Erik Testa is affiliated with 3 sites of care and 2 medical groups
Dr. Testa's primary practice is Memorial Healthcare in Owosso, Michigan, part of Memorial Healthcare. The medical group on file is Memorial Medical Associates (MMA). Dmand AI also links Dr. Testa to 1 more group practice or clinic, 1 home health agency 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. Joseph Erik Testa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Testa practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Healthcare | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Memorial Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joseph Erik Testa is one of 1,095 general surgeons in Michigan
Surgery is Dr. Testa's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Testa is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Testa
Counts of general 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. Joseph Erik Testa billed Medicare for 55 services in 2024
CMS data shows 55 Medicare services from Dr. Testa across 3 procedure codes in 2024, for 73 Medicare patients. Medicare paid $4,090 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Testa's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 582024: 555%
Dr. Testa compared with the Michigan median for general surgeons, 2024
- Dr. Testa
- Michigan median
- Medicare services
- 55vs 12656% below
- Medicare patients
- 73vs 10732% below
- Part D claims
- 22vs 3027% below
Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Testa'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.
Need commercial claims for Dr. Testa?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Testa and other general surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Erik Testa treated 73 Medicare patients in 2026, average age 73
CMS counts 73 Medicare patients who saw Dr. Testa in 2026. The largest group is 65 to 74, with 25 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Testa's median patient age at 67, with 49% women.
Dr. Testa's Medicare patients by age, 2026
Dr. Testa's Medicare patients by sex, 2026
- Women3649%
- Men3751%
Chronic conditions among Dr. Testa's Medicare patients, 2026
- High blood pressure75%
- High cholesterol71%
- Arthritis55%
- Ischemic heart disease42%
- Anxiety40%
- Mood disorders40%
- Diabetes38%
- COPD37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Testa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. Joseph Erik Testa wrote 78 Medicare Part D claims in 2026
In 2026, Dr. Testa wrote 78 Medicare Part D claims for 42 patients. 96% of them were for generic drugs. CMS names the drug for 22 of them, across 1 drug with 11 or more claims each, at $54 in total drug cost. In 2023, CMS named 18 claims across 1 drug.
Dr. Testa's Part D claims by kind of drug, 2026
- Generic75 claims96%
- Brand-name and other3 claims4%
Dr. Testa's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Testa's Part D claims, 2026
- Opioids40%31 of 78 claims
- Antibiotics37%29 of 78 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 182024: 2222%
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data
How Dr. Joseph Erik Testa takes part in Medicare
Dr. Testa accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Joseph Erik Testa received $9,794 in industry payments from 2016 to 2025
CMS Open Payments shows 61 general payments to Dr. Testa from 21 drug and device companies from 2016 to 2025. Education make up the largest share, 41% of the total. Intuitive Surgical, Inc. paid the most, $4,627.
General payments to Dr. Testa by program year, 2016 to 2025
General payments to Dr. Testa by kind, 2016 to 2025
- Education$4,01441%
- Travel and lodging$3,34334%
- Food and beverage$2,43825%
Companies that paid Dr. Testa 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. Joseph Erik Testa graduated from West Virginia School of Osteopathic Medicine
Dr. Testa graduated from West Virginia School of Osteopathic Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Erik Testa'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. Joseph Erik Testa
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. Joseph Erik Testa's NPI number?
Dr. Joseph Erik Testa's NPI number is 1336325745. It was assigned on January 16, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Erik Testa?
Dr. Joseph Erik Testa is a general surgeon in Owosso, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Joseph Erik Testa practice?
Dr. Testa practices at 826 West King Street, Owosso, MI 48867. Dr. Testa's primary practice is Memorial Healthcare in Owosso, Michigan, part of Memorial Healthcare. Dmand AI also links Dr. Testa to 1 group practice or clinic, 1 home health agency and 1 medical group, and a free account names each one.
What is Dr. Joseph Erik Testa's office phone number?
The practice phone on file for Dr. Testa is (989) 723-5211. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Joseph Erik Testa's email address?
Dmand AI checks professional and personal email addresses for Dr. Testa through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Joseph Erik Testa's medical license number?
Dr. Testa holds Michigan license 5101017433.
Which hospitals is Dr. Joseph Erik Testa affiliated with?
Dr. Testa practices at Memorial Healthcare in Owosso, Michigan.
What medical group is Dr. Joseph Erik Testa part of?
Dr. Testa is linked to Memorial Medical Associates (MMA). Dmand AI links Dr. Testa to 1 more medical group, named with a free account.
Who does Dr. Joseph Erik Testa practice with?
Dmand AI links 193 HCPs to Dr. Testa's primary medical group, 2 of them general surgeons. A free account lists them, with verified contacts.
Does Dr. Joseph Erik Testa accept Medicare?
Yes. CMS data shows Dr. Testa billed Medicare for 55 services in 2024, and Dr. Testa accepts Medicare assignment.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Joseph Erik Testa see?
CMS counts 73 Medicare patients who saw Dr. Testa in 2026, with an average age of 73.
What services does Dr. Joseph Erik Testa bill to Medicare?
In 2024, Dr. Testa's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and office visit, established patient (99214).
Where did Dr. Joseph Erik Testa go to medical school?
Dr. Testa graduated from West Virginia School of Osteopathic Medicine in 2007.
What drugs does Dr. Joseph Erik Testa prescribe most?
In 2024 Medicare Part D data, Dr. Testa's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Joseph Erik Testa received payments from drug or device companies?
CMS Open Payments shows $9,794 in general payments to Dr. Testa from 21 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Joseph Erik Testa been practicing?
Dr. Testa graduated from medical school in 2007, 19 years ago.
What EHR does Dr. Joseph Erik Testa's practice use?
Dmand AI tracks the EHR system at Memorial Healthcare and at 2 more sites and 1 medical group. The vendor and product are available with a free Dmand AI account.
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