Dr. Nathan John Klingensmith, MD
- Medicare services, 2024
- 168
- Medicare patients, 2024
- 101
- Part D claims, 2020
- 11
- Publications
- 28
- MIPS score, 2024
- 85
- Practice address
- 51 North 39th Street, Philadelphia, PA 19104
- Practice phone
- Call (215) 662-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Klingensmith'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. Nathan John Klingensmith is a general surgeon in Philadelphia, Pennsylvania
Dr. Klingensmith practices at Penn Presbyterian Medical Center in Philadelphia, Pennsylvania, part of University of Pennsylvania.
Dr. Klingensmith's NPI, 1205192424, was assigned on April 3, 2012. Dr. Klingensmith holds Pennsylvania license MD477357.
- NPI
- 1205192424NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113212002
- NPI enumeration date
- April 3, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 662-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan John Klingensmith practices at Penn Presbyterian Medical Center in Philadelphia, Pennsylvania
Dr. Klingensmith's primary practice is Penn Presbyterian Medical Center, at 51 North 39th Street, Philadelphia, PA 19104 in Philadelphia County. The practice phone is (215) 662-8000.
- Penn Presbyterian Medical Center51 North 39th Street, Philadelphia, PA 19104 · Philadelphia CountyPhone(215) 662-8000
Source: Dmand AI Affiliation Data
Dr. Nathan John Klingensmith is affiliated with 3 sites of care and 1 medical group
Dr. Klingensmith's primary practice is Penn Presbyterian Medical Center in Philadelphia, Pennsylvania, part of University of Pennsylvania. Dr. Klingensmith is also affiliated with Hospital of the University of Pennsylvania. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Klingensmith to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan John Klingensmith's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klingensmith practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Penn Presbyterian Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan John Klingensmith is one of 1,398 general surgeons in Pennsylvania
Surgery is Dr. Klingensmith's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Klingensmith is licensed in Pennsylvania.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
General surgeons near Dr. Klingensmith
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. Nathan John Klingensmith billed Medicare for 168 services in 2024
CMS data shows 168 Medicare services from Dr. Klingensmith across 4 procedure codes in 2024, for 101 Medicare patients. Medicare paid $21,538 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Klingensmith's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 902024: 16887%
Dr. Klingensmith compared with the Pennsylvania median for general surgeons, 2024
- Dr. Klingensmith
- Pennsylvania median
- Medicare services
- 168vs 1586% above
- Medicare patients
- 101vs 12720% below
- Part D claims
- 11vs 2962% below
Medians across 1,213 general surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Klingensmith'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. Klingensmith and other general surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan John Klingensmith treated 101 Medicare patients in 2024, average age 74
CMS counts 101 Medicare patients who saw Dr. Klingensmith in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.89, 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. Klingensmith's median patient age at 48, with 39% women.
Dr. Klingensmith's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Klingensmith's Medicare patients by sex, 2024
- Women4747%
- Men5453%
Chronic conditions among Dr. Klingensmith's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Heart failure48%
- Ischemic heart disease48%
- Chronic kidney disease44%
- Mood disorders43%
- Anxiety41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klingensmith's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women39%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan John Klingensmith wrote 11 Medicare Part D claims in 2020
In 2020, Dr. Klingensmith wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $62 in total drug cost. In 2019, CMS named 21 claims across 1 drug.
Dr. Klingensmith's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 212020: 1148%
Drugs named by CMS: 1 in 2020, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Nathan John Klingensmith scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Klingensmith for performance year 2024, reported as part of a group. Dr. Klingensmith accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Klingensmith's MIPS scores, performance year 2024
- 85of 100Final score
- 73.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Prostate resection: 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); 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. Nathan John Klingensmith has 28 publications on record
Dmand AI links 28 papers to Dr. Klingensmith, published from 2016 to 2024. 2023 was the busiest year, with 4. The most frequent topics are Sepsis, Disease Models, Animal and Intestinal Mucosa. Dr. Klingensmith has published most often in Shock. Dr. Klingensmith's most frequent co-authors are John Daniel Lyons, MD, Katherine T. Fay and Nilam Suryakant Mangalmurti, MD.
Dr. Klingensmith's papers by year, 2016 to 2024
Topics Dr. Klingensmith writes about most
- Sepsis
- Disease Models, Animal
- Intestinal Mucosa
- CD4-Positive T-Lymphocytes
- Apoptosis
- CD8-Positive T-Lymphocytes
- Cell Adhesion Molecules
- Mice, Inbred C57BL
Dr. Klingensmith's most frequent co-authors
- John Daniel Lyons, MD7 shared papers
- Katherine T. Fay6 shared papers
- Nilam Suryakant Mangalmurti, MD3 shared papers
Recent publications by Dr. Klingensmith
Eur J Trauma Emerg Surg
See who Dr. Klingensmith researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klingensmith works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nathan John Klingensmith received $14 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Klingensmith from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Acell, Inc. paid the most, $14.
Companies that paid Dr. Klingensmith the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nathan John Klingensmith'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) |
| 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) |
| 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. Nathan John Klingensmith
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. Nathan John Klingensmith's NPI number?
Dr. Nathan John Klingensmith's NPI number is 1205192424. It was assigned on April 3, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan John Klingensmith?
Dr. Nathan John Klingensmith is a general surgeon in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nathan John Klingensmith practice?
Dr. Klingensmith practices at 51 North 39th Street, Philadelphia, PA 19104. Dr. Klingensmith's primary practice is Penn Presbyterian Medical Center in Philadelphia, Pennsylvania, part of University of Pennsylvania. Dmand AI also links Dr. Klingensmith to 1 hospital.
What is Dr. Nathan John Klingensmith's office phone number?
The practice phone on file for Dr. Klingensmith is (215) 662-8000.
What is Dr. Nathan John Klingensmith's medical license number?
Dr. Klingensmith holds Pennsylvania license MD477357.
Which hospitals is Dr. Nathan John Klingensmith affiliated with?
Dr. Klingensmith practices at Penn Presbyterian Medical Center in Philadelphia, Pennsylvania. Dr. Klingensmith is also affiliated with Hospital of the University of Pennsylvania. Dmand AI links Dr. Klingensmith to 1 more hospital.
What medical group is Dr. Nathan John Klingensmith part of?
Dr. Klingensmith is linked to Penn Medicine Lancaster General Health.
Does Dr. Nathan John Klingensmith accept Medicare?
Yes. CMS data shows Dr. Klingensmith billed Medicare for 168 services in 2024, and Dr. Klingensmith accepts Medicare assignment.
What is Dr. Nathan John Klingensmith's MIPS score?
Dr. Klingensmith's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Nathan John Klingensmith see?
CMS counts 101 Medicare patients who saw Dr. Klingensmith in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
What services does Dr. Nathan John Klingensmith bill to Medicare?
In 2024, Dr. Klingensmith's most billed Medicare services were critical care (99291), hospital inpatient care (99233) and hospital inpatient care (99232).
What drugs does Dr. Nathan John Klingensmith prescribe most?
In 2020 Medicare Part D data, Dr. Klingensmith's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Nathan John Klingensmith received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Klingensmith from 1 company from 2019 to 2019. The largest total came from Acell, Inc.
How long has Dr. Nathan John Klingensmith been practicing?
Dr. Klingensmith graduated from medical school in 2012, 14 years ago.
Does Dr. Nathan John Klingensmith do research?
Dmand AI links 28 publications to Dr. Klingensmith, published from 2016 to 2024.
Who does Dr. Nathan John Klingensmith publish with?
Dr. Klingensmith's most frequent co-authors are John Daniel Lyons, MD (7 shared papers), Katherine T. Fay (6 shared papers) and Nilam Suryakant Mangalmurti, MD (3 shared papers).
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