Dr. David S. Klein, DO
- Medicare services, 2024
- 2,733
- Medicare patients, 2024
- 583
- Part D claims, 2024
- 389
- MIPS score, 2024
- 79
- Hospital affiliations
- 6
- Practice address
- 3130 Route 10 West, Suite 200, Denville, NJ 07834
- Practice phone
- Call (973) 328-3475
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Denville Surgery Center
Surgery Center - Medicare-Certified · Denville, New Jersey
Find Dr. Klein'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. David S. Klein is an orthopedic surgeon in Denville, New Jersey
Dr. Klein practices at Denville Surgery Center in Denville, New Jersey.
Dr. Klein's NPI, 1598006926, was assigned on March 11, 2013. Dr. Klein holds New Jersey license 25MB10547000.
- NPI
- 1598006926NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769719632
- NPI enumeration date
- March 11, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (973) 328-3475
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David S. Klein practices at Denville Surgery Center in Denville, New Jersey
Dr. Klein's primary practice is Denville Surgery Center, at 3130 Route 10 West, Suite 200, Denville, NJ 07834. The practice phone is (973) 328-3475.
- Denville Surgery Center3130 Route 10 West, Suite 200, Denville, NJ 07834Phone(973) 328-3475
Source: Dmand AI Affiliation Data
Dr. David S. Klein is affiliated with 10 sites of care and 1 medical group
Dr. Klein's primary practice is Denville Surgery Center in Denville, New Jersey. Dr. Klein is also affiliated with Saint Clare's Denville Hospital. The medical group on file is Tri-County Orthopedics. Dmand AI also links Dr. Klein to 5 more hospitals, 2 home health agencies and 1 group practice or clinic, 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. David S. Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Denville Surgery Center | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David S. Klein is one of 644 orthopedic surgeons in New Jersey
Orthopaedic surgery is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Klein is licensed in New Jersey.
Specialties and state licenses
- Orthopaedic surgery, New JerseyPrimary
Orthopedic surgeons near Dr. Klein
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. David S. Klein billed Medicare for 2,733 services in 2024
CMS data shows 2,733 Medicare services from Dr. Klein across 22 procedure codes in 2024, for 583 Medicare patients. Medicare paid $160,469 for them.
Dr. Klein's Medicare services by type, 2024
- Drugs given in the office1,242
- Office and hospital visits676
- Imaging510
- Surgery305
Where Dr. Klein's Medicare services took place, 2024
- In an office2,63997%
- In a facility943%
Dr. Klein compared with the New Jersey median for orthopedic surgeons, 2024
- Dr. Klein
- New Jersey median
- Medicare services
- 2,733vs 1,3262.1 times
- Medicare patients
- 583vs 2802.1 times
- Part D claims
- 347vs 794.4 times
Medians across 604 orthopedic surgeons in New Jersey with Dmand AI profiles that report each measure.
Dr. Klein'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. Klein and other orthopedic surgeons in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David S. Klein treated 583 Medicare patients in 2024, average age 76
CMS counts 583 Medicare patients who saw Dr. Klein in 2024. The largest group is 65 to 74, with 235 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 4% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 64, with 56% women.
Dr. Klein's Medicare patients by age, 2024
Dr. Klein's Medicare patients by sex, 2024
- Women38666%
- Men19734%
Chronic conditions among Dr. Klein's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis70%
- Ischemic heart disease32%
- Anxiety28%
- Diabetes28%
- Mood disorders27%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women56%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David S. Klein wrote 389 Medicare Part D claims in 2024
In 2024, Dr. Klein wrote 389 Medicare Part D claims for 213 patients. 98% of them were for generic drugs. CMS names the drug for 347 of them, across 8 drugs with 11 or more claims each, at $3,370 in total drug cost.
Dr. Klein's Part D claims by kind of drug, 2024
- Generic383 claims98%
- Brand-name and other6 claims2%
Dr. Klein'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. Klein's Part D claims, 2024
- Opioids21%81 of 389 claims
- Antibiotics6%23 of 389 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 S. Klein scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Klein for performance year 2024, reported as part of a group. Dr. Klein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 21 procedures of knee replacement by Dr. Klein, more than 54% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Klein's MIPS scores, performance year 2024
- 79of 100Final score
- 79.6of 100Quality
- 73of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Klein ranks in Medicare procedure volume
- Knee replacement
- 54th percentile21 procedures
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 51st percentile13 procedures
- Hip replacement
- 51st percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 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)
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 S. Klein received $184 in industry payments in 2025
CMS Open Payments shows 3 general payments to Dr. Klein from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $111.
Companies that paid Dr. Klein the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David S. Klein'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)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) |
| 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 S. Klein
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 S. Klein's NPI number?
Dr. David S. Klein's NPI number is 1598006926. It was assigned on March 11, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. David S. Klein?
Dr. David S. Klein is an orthopedic surgeon in Denville, New Jersey. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. David S. Klein practice?
Dr. Klein practices at 3130 Route 10 West, Suite 200, Denville, NJ 07834. Dr. Klein's primary practice is Denville Surgery Center in Denville, New Jersey. Dmand AI also links Dr. Klein to 5 hospitals, 2 home health agencies and 1 group practice or clinic.
What is Dr. David S. Klein's office phone number?
The practice phone on file for Dr. Klein is (973) 328-3475.
What is Dr. David S. Klein's medical license number?
Dr. Klein holds New Jersey license 25MB10547000, one of 2 state licenses on file.
Which hospitals is Dr. David S. Klein affiliated with?
Dr. Klein is affiliated with Saint Clare's Denville Hospital. Dmand AI links Dr. Klein to 5 more hospitals.
What medical group is Dr. David S. Klein part of?
Dr. Klein is linked to Tri-County Orthopedics.
Does Dr. David S. Klein accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 2,733 services in 2024, and Dr. Klein accepts Medicare assignment.
What is Dr. David S. Klein's MIPS score?
Dr. Klein's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
How many Medicare patients does Dr. David S. Klein see?
CMS counts 583 Medicare patients who saw Dr. Klein in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. David S. Klein bill to Medicare?
In 2024, Dr. Klein's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and surgery: bones and joints (20610).
What drugs does Dr. David S. Klein prescribe most?
In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Celecoxib, Tramadol HCl and Meloxicam.
Has Dr. David S. Klein received payments from drug or device companies?
CMS Open Payments shows $184 in general payments to Dr. Klein from 3 companies from 2025 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. David S. Klein been practicing?
Dr. Klein graduated from medical school in 2013, 13 years ago.
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