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Dr. Jonathan M. Nesfeder, DO
NPI1265875843PAC ID8022309970
- Medicare services, 2024
- 179
- Medicare patients, 2024
- 117
- Part D claims, 2024
- 4,610
- Publications
- 2
- MIPS score, 2024
- 88
- Practice address
- 420 S 5th Avenue, West Reading, PA 19611
- Practice phone
- Call (610) 988-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nesfeder's professional email, personal email and mobile number
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Dr. Jonathan M. Nesfeder is an internist in Reading, Pennsylvania
Dr. Nesfeder practices at Reading Hospital in West Reading, Pennsylvania, part of Tower Health.
Dr. Nesfeder's NPI, 1265875843, was assigned on April 12, 2013. Dr. Nesfeder holds Pennsylvania license OS018146.
NPI and contact details
- NPI
- 1265875843NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022309970
- NPI enumeration date
- April 12, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 988-8000
- 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. Jonathan M. Nesfeder practices at Reading Hospital in West Reading, Pennsylvania
Dr. Nesfeder's primary practice is Reading Hospital, at 420 S 5th Avenue, West Reading, PA 19611 in Berks County. The practice phone is (610) 988-8000.
- Reading Hospital420 S 5th Avenue, West Reading, PA 19611 · Berks CountyPhone(610) 988-8000
Source: Dmand AI Affiliation Data
Dr. Jonathan M. Nesfeder is affiliated with 5 sites of care and 2 medical groups
Dr. Nesfeder's primary practice is Reading Hospital in West Reading, Pennsylvania, part of Tower Health. Dr. Nesfeder is also affiliated with Penn State Health St. Joseph Medical Center. The medical group on file is Tower Health Medical Group. Dmand AI also links Dr. Nesfeder to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Penn State Health St. Joseph Medical CenterTower Health Medical Group2 group practices and clinicsNames with a free account1 home health agencyName with a free account1 medical groupName with a free account
See all 7 affiliations for Dr. NesfederSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan M. Nesfeder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nesfeder practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Reading Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Jonathan M. Nesfeder is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Nesfeder's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nesfeder is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Nesfeder
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. Jonathan M. Nesfeder billed Medicare for 179 services in 2024
CMS data shows 179 Medicare services from Dr. Nesfeder across 2 procedure codes in 2024, for 117 Medicare patients. Medicare paid $2,015 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024179
Medicare patients117
Paid by Medicare$2,015
Procedure codes2
Dr. Nesfeder's Medicare services by type, 2020 to 2024
- 2020
- 2024
- Other services
- 2020: 02024: 164
- Tests and treatments
- 2020: 02024: 15
- Office and hospital visits
- 2020: 552024: 0100%
Dr. Nesfeder compared with the Pennsylvania median for internists, 2024
- Dr. Nesfeder
- Pennsylvania median
- Medicare services
- 179vs 41757% below
- Medicare patients
- 117vs 18537% below
- Part D claims
- 3,927vs 22417.5 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Nesfeder'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. Nesfeder?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nesfeder and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan M. Nesfeder treated 117 Medicare patients in 2024, average age 75
CMS counts 117 Medicare patients who saw Dr. Nesfeder in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nesfeder's median patient age at 63, with 46% women.
Medicare patients, 2024117
Average age75
Average risk score1.08
Dr. Nesfeder's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nesfeder's Medicare patients by sex, 2024
- Women5244%
- Men6556%
Chronic conditions among Dr. Nesfeder's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Chronic kidney disease40%
- Diabetes40%
- Ischemic heart disease27%
- Anxiety23%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nesfeder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan M. Nesfeder wrote 4,610 Medicare Part D claims in 2024
In 2024, Dr. Nesfeder wrote 4,610 Medicare Part D claims for 541 patients. 86% of them were for generic drugs. CMS names the drug for 3,927 of them, across 78 drugs with 11 or more claims each, at $381,920 in total drug cost. In 2023, CMS named 4,302 claims across 94 drugs.
Part D claims, 20244,610
Drugs named by CMS78
Total drug cost$381,920
Part D patients541
Dr. Nesfeder's Part D claims by kind of drug, 2024
- Generic3,945 claims86%
- Brand-name611 claims13%
- Other54 claims1%
Dr. Nesfeder'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. Nesfeder's Part D claims, 2024
- Opioids2%76 of 4,610 claims
- Antibiotics1%63 of 4,610 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: 4,3022024: 3,9279%
Drugs named by CMS: 78 in 2024, 94 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. Jonathan M. Nesfeder scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Nesfeder for performance year 2024, reported as part of a group. Dr. Nesfeder accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nesfeder's MIPS scores, performance year 2024
- 88of 100Final score
- 77.2of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Jonathan M. Nesfeder has 2 publications on record
Dmand AI links 2 papers to Dr. Nesfeder in 2022. Dr. Nesfeder's most frequent co-authors are Krysta Lou Brown, DO, Youngjee Choi, MD and Anthony A. Donato, MD.
Papers2
Dr. Nesfeder's most frequent co-authors
- Krysta Lou Brown, DO1 shared paper
- Youngjee Choi, MD1 shared paper
- Anthony A. Donato, MD1 shared paper
Recent publications by Dr. Nesfeder
See who Dr. Nesfeder researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nesfeder works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jonathan M. Nesfeder received $152 in industry payments from 2016 to 2017
CMS Open Payments shows 3 general payments to Dr. Nesfeder from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 92% of the total. Sanofi and Genzyme US Companies paid the most, $140.
General payments to Dr. Nesfeder by program year, 2016 to 2017
General payments to Dr. Nesfeder by kind, 2016 to 2017
$152in total
- Food and beverage$14092%
- Speaker and faculty fees$138%
Companies that paid Dr. Nesfeder the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jonathan M. Nesfeder'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) |
| 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. Jonathan M. Nesfeder
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. Jonathan M. Nesfeder's NPI number?
Dr. Jonathan M. Nesfeder's NPI number is 1265875843. It was assigned on April 12, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan M. Nesfeder?
Dr. Jonathan M. Nesfeder is an internist in Reading, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan M. Nesfeder practice?
Dr. Nesfeder practices at 420 S 5th Avenue, West Reading, PA 19611. Dr. Nesfeder's primary practice is Reading Hospital in West Reading, Pennsylvania, part of Tower Health. Dmand AI also links Dr. Nesfeder to 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Jonathan M. Nesfeder's office phone number?
The practice phone on file for Dr. Nesfeder is (610) 988-8000.
What is Dr. Jonathan M. Nesfeder's medical license number?
Dr. Nesfeder holds Pennsylvania license OS018146.
Which hospitals is Dr. Jonathan M. Nesfeder affiliated with?
Dr. Nesfeder practices at Reading Hospital in West Reading, Pennsylvania. Dr. Nesfeder is also affiliated with Penn State Health St. Joseph Medical Center.
What medical group is Dr. Jonathan M. Nesfeder part of?
Dr. Nesfeder is linked to Tower Health Medical Group. Dmand AI links Dr. Nesfeder to 1 more medical group.
Does Dr. Jonathan M. Nesfeder accept Medicare?
Yes. CMS data shows Dr. Nesfeder billed Medicare for 179 services in 2024, and Dr. Nesfeder accepts Medicare assignment.
What is Dr. Jonathan M. Nesfeder's MIPS score?
Dr. Nesfeder's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jonathan M. Nesfeder see?
CMS counts 117 Medicare patients who saw Dr. Nesfeder in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
What services does Dr. Jonathan M. Nesfeder bill to Medicare?
In 2024, Dr. Nesfeder's most billed Medicare services were medicare service (G2211) and heart test or procedure (93010).
What drugs does Dr. Jonathan M. Nesfeder prescribe most?
In 2024 Medicare Part D data, Dr. Nesfeder's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Jonathan M. Nesfeder received payments from drug or device companies?
CMS Open Payments shows $152 in general payments to Dr. Nesfeder from 2 companies from 2016 to 2017. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Jonathan M. Nesfeder been practicing?
Dr. Nesfeder graduated from medical school in 2013, 13 years ago.
Does Dr. Jonathan M. Nesfeder do research?
Dmand AI links 2 publications to Dr. Nesfeder.
Who does Dr. Jonathan M. Nesfeder publish with?
Dr. Nesfeder's most frequent co-authors are Krysta Lou Brown, DO (1 shared paper), Youngjee Choi, MD (1 shared paper) and Anthony A. Donato, MD (1 shared paper).
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