Dr. David Jon Grossklaus, MD
- Medicare services, 2024
- 6,433
- Medicare patients, 2024
- 1,555
- Part D claims, 2024
- 3,194
- MIPS score, 2024
- 91
- Hospital affiliations
- 3
- Practice address
- 6007 E Baseline Rd Suite 105 Suite 105, Mesa, AZ 85206-4801
- Practice phone
- Call (480) 897-2727
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
David J. Grossklaus, M.d.
Medical specialty practice · Mesa, Arizona
Find Dr. Grossklaus' 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. David Jon Grossklaus is a urologist in Mesa, Arizona
Dr. Grossklaus practices at David J. Grossklaus, M.d. in Mesa, Arizona.
Dr. Grossklaus' NPI, 1750355392, was assigned on February 13, 2006. Dr. Grossklaus graduated from University of Arizona College of Medicine in 1996. Dr. Grossklaus holds Arizona license 25961.
- NPI
- 1750355392NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082679485
- NPI enumeration date
- February 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 897-2727
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Jon Grossklaus practices at David J. Grossklaus, M.d. in Mesa, Arizona
Dr. Grossklaus' primary practice is David J. Grossklaus, M.d., at 6007 E Baseline Rd Suite 105 Suite 105, Mesa, AZ 85206-4801. The practice phone is (480) 897-2727.
- David J. Grossklaus, M.d.6007 E Baseline Rd Suite 105 Suite 105, Mesa, AZ 85206-4801Phone(480) 897-2727
Source: Dmand AI Affiliation Data
Dr. David Jon Grossklaus is affiliated with 4 sites of care and 1 medical group
Dr. Grossklaus' primary practice is David J. Grossklaus, M.d. in Mesa, Arizona. Dr. Grossklaus is also affiliated with Banner Baywood Medical Center. The medical group on file is Southwest Urologic Specialists, PC. Dmand AI also links Dr. Grossklaus to 2 more hospitals, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Jon Grossklaus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grossklaus practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| David J. Grossklaus, M.d. | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Jon Grossklaus is one of 249 urologists in Arizona
Urology is Dr. Grossklaus' primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Grossklaus is licensed in Arizona.
Specialties and state licenses
- Urology, ArizonaPrimary
Urologists near Dr. Grossklaus
Counts of urologists 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. David Jon Grossklaus billed Medicare for 6,433 services in 2024
CMS data shows 6,433 Medicare services from Dr. Grossklaus across 29 procedure codes in 2024, for 1,555 Medicare patients. Medicare paid $422,406 for them.
Dr. Grossklaus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,7442024: 2,6015%
- Lab and pathology
- 2023: 2,1802024: 1,92412%
- Surgery
- 2023: 1,1672024: 1,1006%
- Drugs given in the office
- 2023: 3,1522024: 48285%
- Tests and treatments
- 2023: 2042024: 1964%
- Imaging
- 2023: 1152024: 1086%
- Other services
- 2023: 02024: 22
Where Dr. Grossklaus' Medicare services took place, 2024
- In an office6,21497%
- In a facility2193%
Dr. Grossklaus compared with the Arizona median for urologists, 2024
- Dr. Grossklaus
- Arizona median
- Medicare services
- 6,433vs 2,0163.2 times
- Medicare patients
- 1,555vs 4733.3 times
- Part D claims
- 3,055vs 7054.3 times
Medians across 239 urologists in Arizona with Dmand AI profiles that report each measure.
Dr. Grossklaus' 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. Grossklaus?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grossklaus and other urologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Jon Grossklaus treated 1,555 Medicare patients in 2024, average age 77
CMS counts 1,555 Medicare patients who saw Dr. Grossklaus in 2024. The largest group is 75 to 84, with 729 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 1% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grossklaus' median patient age at 73, with 24% women.
Dr. Grossklaus' Medicare patients by age, 2024
Dr. Grossklaus' Medicare patients by sex, 2024
- Women35023%
- Men1,20577%
Chronic conditions among Dr. Grossklaus' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease38%
- Chronic kidney disease32%
- Diabetes28%
- Cancer26%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grossklaus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women24%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Jon Grossklaus wrote 3,194 Medicare Part D claims in 2024
In 2024, Dr. Grossklaus wrote 3,194 Medicare Part D claims for 955 patients. 96% of them were for generic drugs. CMS names the drug for 3,055 of them, across 30 drugs with 11 or more claims each, at $134,852 in total drug cost. In 2023, CMS named 3,060 claims across 32 drugs.
Dr. Grossklaus' Part D claims by kind of drug, 2024
- Generic3,052 claims96%
- Brand-name and other142 claims4%
Dr. Grossklaus' 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. Grossklaus' Part D claims, 2024
- Opioids6%201 of 3,194 claims
- Antibiotics19%596 of 3,194 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: 3,0602024: 3,055No change
Drugs named by CMS: 30 in 2024, 32 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), 2024 data
Dr. David Jon Grossklaus scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Grossklaus for performance year 2024, reported as part of a group. Dr. Grossklaus accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 45 procedures of prostate resection by Dr. Grossklaus, more than 96% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Grossklaus' MIPS scores, performance year 2024
- 91of 100Final score
- 92.8of 100Quality
- 40of 100Improvement Activities
- 80of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Grossklaus ranks in Medicare procedure volume
- Prostate resection
- 96th percentile45 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of skin lesions: 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. David Jon Grossklaus received $4,377 in industry payments from 2016 to 2025
CMS Open Payments shows 244 general payments to Dr. Grossklaus from 43 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Abbvie Inc. paid the most, $772.
General payments to Dr. Grossklaus by program year, 2016 to 2025
General payments to Dr. Grossklaus by kind, 2016 to 2025
- Food and beverage$4,20596%
- Education$1724%
Companies that paid Dr. Grossklaus 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. David Jon Grossklaus graduated from University of Arizona College of Medicine
Dr. Grossklaus graduated from University of Arizona College of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Jon Grossklaus'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) |
| 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)Clinician Public Reporting: Overall MIPS Performance (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. David Jon Grossklaus
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. David Jon Grossklaus' NPI number?
Dr. David Jon Grossklaus' NPI number is 1750355392. It was assigned on February 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Jon Grossklaus?
Dr. David Jon Grossklaus is a urologist in Mesa, Arizona. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. David Jon Grossklaus practice?
Dr. Grossklaus practices at 6007 E Baseline Rd Suite 105 Suite 105, Mesa, AZ 85206-4801. Dr. Grossklaus' primary practice is David J. Grossklaus, M.d. in Mesa, Arizona. Dmand AI also links Dr. Grossklaus to 2 hospitals.
What is Dr. David Jon Grossklaus' office phone number?
The practice phone on file for Dr. Grossklaus is (480) 897-2727.
What is Dr. David Jon Grossklaus' medical license number?
Dr. Grossklaus holds Arizona license 25961.
Which hospitals is Dr. David Jon Grossklaus affiliated with?
Dr. Grossklaus is affiliated with Banner Baywood Medical Center. Dmand AI links Dr. Grossklaus to 2 more hospitals.
What medical group is Dr. David Jon Grossklaus part of?
Dr. Grossklaus is linked to Southwest Urologic Specialists, PC.
Does Dr. David Jon Grossklaus accept Medicare?
Yes. CMS data shows Dr. Grossklaus billed Medicare for 6,433 services in 2024, and Dr. Grossklaus accepts Medicare assignment.
What is Dr. David Jon Grossklaus' MIPS score?
Dr. Grossklaus' MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Dr. David Jon Grossklaus see?
CMS counts 1,555 Medicare patients who saw Dr. Grossklaus in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. David Jon Grossklaus bill to Medicare?
In 2024, Dr. Grossklaus' most billed Medicare services were lab and pathology test (81003), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. David Jon Grossklaus go to medical school?
Dr. Grossklaus graduated from University of Arizona College of Medicine in 1996.
What drugs does Dr. David Jon Grossklaus prescribe most?
In 2024 Medicare Part D data, Dr. Grossklaus' most prescribed drugs by claims were Alfuzosin HCl ER, Tamsulosin HCl and Ciprofloxacin HCl.
Has Dr. David Jon Grossklaus received payments from drug or device companies?
CMS Open Payments shows $4,377 in general payments to Dr. Grossklaus from 43 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. David Jon Grossklaus been practicing?
Dr. Grossklaus graduated from medical school in 1996, 30 years ago.
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