Dr. Bert J. Klein III, MD
- Medicare services, 2024
- 6,352
- Medicare patients, 2024
- 286
- Part D claims, 2024
- 17,214
- Hospital affiliations
- 3
- Industry payments
- $98
- Practice address
- 2351 Erwin Rd, Durham, NC 27705
- Practice phone
- Call (919) 620-4855
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Duke Health Integrated Practice, Inc.
Durham, North Carolina
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. Bert J. Klein III is an internist in Durham, North Carolina
Dr. Klein practices at Duke Health Integrated Practice, Inc. in Durham, North Carolina.
Dr. Klein's NPI, 1417977513, was assigned on July 20, 2006. Dr. Klein graduated from Wake Forest University School of Medicine in 1996. Dr. Klein holds North Carolina license 97-01439.
- NPI
- 1417977513NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183749096
- NPI enumeration date
- July 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 620-4855
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bert J. Klein III practices at Duke Health Integrated Practice, Inc. in Durham, North Carolina
Dr. Klein's primary practice is Duke Health Integrated Practice, Inc., at 2351 Erwin Rd, Durham, NC 27705 in Durham County. The practice phone is (919) 620-4855.
- Duke Health Integrated Practice, Inc.2351 Erwin Rd, Durham, NC 27705 · Durham CountyPhone(919) 620-4855
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Bert J. Klein III is affiliated with 10 sites of care and 2 medical groups
Dr. Klein's primary practice is Duke Health Integrated Practice, Inc. in Durham, North Carolina. Dr. Klein is also affiliated with Duke University Hospital. The medical group on file is Duke Health Integrated Practice. Dmand AI also links Dr. Klein to 2 more hospitals, 3 home health agencies, 2 group practices and clinics, 1 hospice and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Bert J. Klein III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duke Health Integrated Practice, Inc. | Available with a free account |
| +9 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Bert J. Klein III is one of 3,705 internists in North Carolina
Internal medicine is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Klein is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
Internists near Dr. Klein
Counts of internists 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. Bert J. Klein III billed Medicare for 6,352 services in 2024
CMS data shows 6,352 Medicare services from Dr. Klein across 39 procedure codes in 2024, for 286 Medicare patients. Medicare paid $135,958 for them. Every service was in an office.
Dr. Klein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 3,7712024: 3,7951%
- Other services
- 2023: 6632024: 1,11568%
- Surgery
- 2023: 7322024: 62614%
- Office and hospital visits
- 2023: 7212024: 61015%
- Tests and treatments
- 2023: 852024: 10321%
- Imaging
- 2023: 1172024: 7139%
- Drugs given in the office
- 2023: 02024: 32
Dr. Klein compared with the North Carolina median for internists, 2024
- Dr. Klein
- North Carolina median
- Medicare services
- 6,352vs 52112.2 times
- Medicare patients
- 286vs 18555% above
- Part D claims
- 16,481vs 27260.6 times
Medians across 3,695 internists in North Carolina 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.
Need commercial claims for Dr. Klein?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klein and other internists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bert J. Klein III treated 286 Medicare patients in 2024, average age 77
CMS counts 286 Medicare patients who saw Dr. Klein in 2024. The largest group is 75 to 84, with 108 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 73, with 58% women.
Dr. Klein's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Klein's Medicare patients by sex, 2024
- Women16859%
- Men11841%
Chronic conditions among Dr. Klein's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Chronic kidney disease33%
- Ischemic heart disease33%
- Diabetes26%
- Depression23%
- Mood disorders23%
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 73
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bert J. Klein III wrote 17,214 Medicare Part D claims in 2024
In 2024, Dr. Klein wrote 17,214 Medicare Part D claims for 970 patients. 88% of them were for generic drugs. CMS names the drug for 16,481 of them, across 187 drugs with 11 or more claims each, at $1,151,058 in total drug cost. In 2023, CMS named 15,464 claims across 187 drugs.
Dr. Klein's Part D claims by kind of drug, 2024
- Generic15,175 claims88%
- Brand-name1,974 claims11%
- Other65 claims0%
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
- Opioids2%394 of 17,214 claims
- Antibiotics3%559 of 17,214 claims
- Antipsychotics, patients 65 and over1%181 of 17,214 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: 15,4642024: 16,4817%
Drugs named by CMS: 187 in 2024, 187 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
How Dr. Bert J. Klein III takes part in Medicare
Dr. Klein accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Bert J. Klein III received $98 in industry payments from 2018 to 2023
CMS Open Payments shows 6 general payments to Dr. Klein from 3 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Actelion Pharmaceuticals US, Inc. paid the most, $51.
General payments to Dr. Klein by program year, 2018 to 2023
Companies that paid Dr. Klein the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Bert J. Klein III graduated from Wake Forest University School of Medicine
Dr. Klein graduated from Wake Forest University School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Bert J. Klein III'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Bert J. Klein III
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. Bert J. Klein III's NPI number?
Dr. Bert J. Klein III's NPI number is 1417977513. It was assigned on July 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Bert J. Klein III?
Dr. Bert J. Klein III is an internist in Durham, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Bert J. Klein III practice?
Dr. Klein practices at 2351 Erwin Rd, Durham, NC 27705. Dr. Klein's primary practice is Duke Health Integrated Practice, Inc. in Durham, North Carolina. Dmand AI also links Dr. Klein to 2 hospitals, 3 home health agencies, 2 group practices and clinics, 1 hospice and 1 medical group.
What is Dr. Bert J. Klein III's office phone number?
The practice phone on file for Dr. Klein is (919) 620-4855.
What is Dr. Bert J. Klein III's medical license number?
Dr. Klein holds North Carolina license 97-01439.
Which hospitals is Dr. Bert J. Klein III affiliated with?
Dr. Klein is affiliated with Duke University Hospital. Dmand AI links Dr. Klein to 2 more hospitals.
What medical group is Dr. Bert J. Klein III part of?
Dr. Klein is linked to Duke Health Integrated Practice. Dmand AI links Dr. Klein to 1 more medical group.
Does Dr. Bert J. Klein III accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 6,352 services in 2024, and Dr. Klein accepts Medicare assignment.
How many Medicare patients does Dr. Bert J. Klein III see?
CMS counts 286 Medicare patients who saw Dr. Klein in 2024, with an average age of 77.
What services does Dr. Bert J. Klein III bill to Medicare?
In 2024, Dr. Klein's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (85025).
Show 4 more questionsShow fewer questions
Where did Dr. Bert J. Klein III go to medical school?
Dr. Klein graduated from Wake Forest University School of Medicine in 1996.
What drugs does Dr. Bert J. Klein III prescribe most?
In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Losartan Potassium.
Has Dr. Bert J. Klein III received payments from drug or device companies?
CMS Open Payments shows $98 in general payments to Dr. Klein from 3 companies from 2018 to 2023. The largest total came from Actelion Pharmaceuticals US, Inc.
How long has Dr. Bert J. Klein III been practicing?
Dr. Klein graduated from medical school in 1996, 30 years ago.
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