Dr. Nathan D. Peffer, MD
- Medicare services, 2024
- 1,338
- Medicare patients, 2024
- 406
- Part D claims, 2024
- 1,305
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 595 W State St, Doylestown, PA 18901
- Practice phone
- Call (215) 345-2321
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Penn Medicine Doylestown Health
Doylestown, Pennsylvania
Find Dr. Peffer'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 D. Peffer is a urologist in Doylestown, Pennsylvania
Dr. Peffer practices at Penn Medicine Doylestown Health in Doylestown, Pennsylvania.
Dr. Peffer's NPI, 1003296567, was assigned on May 31, 2015. Dr. Peffer graduated from Temple University School of Medicine in 2015. Dr. Peffer holds Pennsylvania license MD471258.
- NPI
- 1003296567NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668896093
- NPI enumeration date
- May 31, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (215) 345-2321
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan D. Peffer practices at Penn Medicine Doylestown Health in Doylestown, Pennsylvania
Dr. Peffer's primary practice is Penn Medicine Doylestown Health, at 595 W State St, Doylestown, PA 18901 in Bucks County. The practice phone is (215) 345-2321.
- Penn Medicine Doylestown Health595 W State St, Doylestown, PA 18901 · Bucks CountyPhone(215) 345-2321
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nathan D. Peffer is affiliated with 6 sites of care and 3 medical groups
Dr. Peffer's primary practice is Penn Medicine Doylestown Health in Doylestown, Pennsylvania. Dr. Peffer is also affiliated with Doylestown Hospital. The medical group on file is Clinical Specialty Associates. Dmand AI also links Dr. Peffer to 3 more group practices and clinics, 2 medical groups and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nathan D. Peffer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Peffer practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Penn Medicine Doylestown Health | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan D. Peffer is one of 562 urologists in Pennsylvania
Urology is Dr. Peffer's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Peffer is licensed in Pennsylvania.
Specialties and state licenses
- Urology, PennsylvaniaPrimary
Urologists near Dr. Peffer
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. Nathan D. Peffer billed Medicare for 1,338 services in 2024
CMS data shows 1,338 Medicare services from Dr. Peffer across 18 procedure codes in 2024, for 406 Medicare patients. Medicare paid $92,658 for them.
Dr. Peffer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7552024: 67610%
- Other services
- 2023: 02024: 336
- Surgery
- 2023: 2442024: 2344%
- Lab and pathology
- 2023: 1112024: 6938%
- Imaging
- 2023: 162024: 2344%
Where Dr. Peffer's Medicare services took place, 2024
- In an office1,06379%
- In a facility27521%
Dr. Peffer compared with the Pennsylvania median for urologists, 2024
- Dr. Peffer
- Pennsylvania median
- Medicare services
- 1,338vs 1,06526% above
- Medicare patients
- 406vs 4316% below
- Part D claims
- 1,172vs 74757% above
Medians across 539 urologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Peffer'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. Peffer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Peffer and other urologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan D. Peffer treated 406 Medicare patients in 2024, average age 75
CMS counts 406 Medicare patients who saw Dr. Peffer in 2024. The largest group is 65 to 74, with 183 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.53, 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. Peffer's median patient age at 73, with 24% women.
Dr. Peffer's Medicare patients by age, 2024
Dr. Peffer's Medicare patients by sex, 2024
- Women10726%
- Men29974%
Chronic conditions among Dr. Peffer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease34%
- Mood disorders31%
- Anxiety30%
- Chronic kidney disease30%
- Depression29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Peffer'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
- Women24%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan D. Peffer wrote 1,305 Medicare Part D claims in 2024
In 2024, Dr. Peffer wrote 1,305 Medicare Part D claims for 324 patients. 86% of them were for generic drugs. CMS names the drug for 1,172 of them, across 20 drugs with 11 or more claims each, at $122,722 in total drug cost. In 2023, CMS named 1,120 claims across 17 drugs.
Dr. Peffer's Part D claims by kind of drug, 2024
- Generic1,124 claims86%
- Brand-name and other181 claims14%
Dr. Peffer'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. Peffer's Part D claims, 2024
- Opioids2%29 of 1,305 claims
- Antibiotics11%143 of 1,305 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: 1,1202024: 1,1725%
Drugs named by CMS: 20 in 2024, 17 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. Nathan D. Peffer ranks in the 84th percentile for prostate resection in Medicare
Dr. Peffer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Peffer as offering telehealth. CMS counts 22 procedures of prostate resection by Dr. Peffer, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Peffer ranks in Medicare procedure volume
- Prostate resection
- 84th percentile22 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 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); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Nathan D. Peffer has 1 publication on record
Dmand AI links 1 paper to Dr. Peffer in 2015. Dr. Peffer's most frequent co-author is Thomas William Fuller, MD.
Dr. Peffer's most frequent co-authors
Recent publications by Dr. Peffer
See who Dr. Peffer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Peffer works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nathan D. Peffer received $5,744 in industry payments from 2017 to 2025
CMS Open Payments shows 221 general payments to Dr. Peffer from 40 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 96% of the total. Medtronic, Inc. paid the most, $1,858.
General payments to Dr. Peffer by program year, 2017 to 2025
General payments to Dr. Peffer by kind, 2017 to 2025
- Food and beverage$5,53496%
- Education$2104%
Companies that paid Dr. Peffer the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathan D. Peffer graduated from Temple University School of Medicine
Dr. Peffer graduated from Temple University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan D. Peffer'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 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)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) |
| 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. Nathan D. Peffer
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 D. Peffer's NPI number?
Dr. Nathan D. Peffer's NPI number is 1003296567. It was assigned on May 31, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan D. Peffer?
Dr. Nathan D. Peffer is a urologist in Doylestown, Pennsylvania. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Nathan D. Peffer practice?
Dr. Peffer practices at 595 W State St, Doylestown, PA 18901. Dr. Peffer's primary practice is Penn Medicine Doylestown Health in Doylestown, Pennsylvania. Dmand AI also links Dr. Peffer to 3 group practices and clinics, 2 medical groups and 1 home health agency.
What is Dr. Nathan D. Peffer's office phone number?
The practice phone on file for Dr. Peffer is (215) 345-2321.
What is Dr. Nathan D. Peffer's medical license number?
Dr. Peffer holds Pennsylvania license MD471258.
Which hospitals is Dr. Nathan D. Peffer affiliated with?
Dr. Peffer is affiliated with Doylestown Hospital.
What medical group is Dr. Nathan D. Peffer part of?
Dr. Peffer is linked to Clinical Specialty Associates. Dmand AI links Dr. Peffer to 2 more medical groups.
Does Dr. Nathan D. Peffer accept Medicare?
Yes. CMS data shows Dr. Peffer billed Medicare for 1,338 services in 2024, and Dr. Peffer accepts Medicare assignment.
Does Dr. Nathan D. Peffer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Peffer as offering telehealth services.
How many Medicare patients does Dr. Nathan D. Peffer see?
CMS counts 406 Medicare patients who saw Dr. Peffer in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
What services does Dr. Nathan D. Peffer bill to Medicare?
In 2024, Dr. Peffer's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Nathan D. Peffer go to medical school?
Dr. Peffer graduated from Temple University School of Medicine in 2015.
What drugs does Dr. Nathan D. Peffer prescribe most?
In 2024 Medicare Part D data, Dr. Peffer's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Myrbetriq.
Has Dr. Nathan D. Peffer received payments from drug or device companies?
CMS Open Payments shows $5,744 in general payments to Dr. Peffer from 40 companies from 2017 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Nathan D. Peffer been practicing?
Dr. Peffer graduated from medical school in 2015, 11 years ago.
Does Dr. Nathan D. Peffer do research?
Dmand AI links 1 publication to Dr. Peffer.
Who does Dr. Nathan D. Peffer publish with?
Dr. Peffer's most frequent co-authors are Thomas William Fuller, MD (1 shared paper).
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