Dr. Joseph James Herdman, MD
- Medicare services, 2024
- 6,776
- Medicare patients, 2024
- 650
- Part D claims, 2024
- 817
- Hospital affiliations
- 4
- Industry payments
- $10,171
- Practice address
- 1068 West Baltimore Pike, Media, PA 19063
- Practice phone
- Call (610) 566-9400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Herdman'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. Joseph James Herdman is a gastroenterologist in Media, Pennsylvania
Dr. Herdman practices at Riddle Hospital in Media, Pennsylvania, part of Main Line Health System.
Dr. Herdman's NPI, 1417148131, was assigned on August 7, 2007. Dr. Herdman graduated from Jefferson Medical College of Thomas Jefferson University in 2004. Dr. Herdman holds Pennsylvania license MD440274.
- NPI
- 1417148131NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860589363
- NPI enumeration date
- August 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 566-9400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph James Herdman practices at Riddle Hospital in Media, Pennsylvania
Dr. Herdman's primary practice is Riddle Hospital, at 1068 West Baltimore Pike, Media, PA 19063 in Delaware County. The practice phone is (610) 566-9400.
- Riddle Hospital1068 West Baltimore Pike, Media, PA 19063 · Delaware CountyPhone(610) 566-9400
Source: Dmand AI Affiliation Data
Dr. Joseph James Herdman is affiliated with 6 sites of care and 2 medical groups
Dr. Herdman's primary practice is Riddle Hospital in Media, Pennsylvania, part of Main Line Health System. Dr. Herdman is also affiliated with Lankenau Medical Center. The medical group on file is Regional Gastroenterology Associates of Lancaster (RGAL). Dmand AI also links Dr. Herdman to 2 more hospitals, 2 group practices and clinics and 1 medical group, 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. Joseph James Herdman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herdman practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riddle Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Main Line Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joseph James Herdman is one of 899 gastroenterologists in Pennsylvania
Gastroenterology is Dr. Herdman's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Herdman's licenses on file in 2 states: Pennsylvania and Delaware.
Specialties and state licenses
- Gastroenterology, PennsylvaniaPrimary
- Hospitalist, Delaware
Gastroenterologists near Dr. Herdman
Counts of gastroenterologists 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. Joseph James Herdman billed Medicare for 6,776 services in 2024
CMS data shows 6,776 Medicare services from Dr. Herdman across 20 procedure codes in 2024, for 650 Medicare patients. Medicare paid $203,987 for them.
Dr. Herdman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 02024: 5,700
- Office and hospital visits
- 2023: 7112024: 56620%
- Surgery
- 2023: 3832024: 45519%
- Other services
- 2023: 192024: 3374%
- Tests and treatments
- 2023: 02024: 22
Where Dr. Herdman's Medicare services took place, 2024
- In an office5,99989%
- In a facility77711%
Dr. Herdman compared with the Pennsylvania median for gastroenterologists, 2024
- Dr. Herdman
- Pennsylvania median
- Medicare services
- 6,776vs 40116.9 times
- Medicare patients
- 650vs 2942.2 times
- Part D claims
- 667vs 37578% above
Medians across 899 gastroenterologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Herdman'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. Herdman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Herdman and other gastroenterologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph James Herdman treated 650 Medicare patients in 2024, average age 74
CMS counts 650 Medicare patients who saw Dr. Herdman in 2024. The largest group is 65 to 74, with 309 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% 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. Herdman's median patient age at 61, with 53% women.
Dr. Herdman's Medicare patients by age, 2024
Dr. Herdman's Medicare patients by sex, 2024
- Women37257%
- Men27843%
Chronic conditions among Dr. Herdman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease34%
- Diabetes30%
- Anxiety29%
- Mood disorders29%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herdman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph James Herdman wrote 817 Medicare Part D claims in 2024
In 2024, Dr. Herdman wrote 817 Medicare Part D claims for 233 patients. 90% of them were for generic drugs. CMS names the drug for 667 of them, across 16 drugs with 11 or more claims each, at $33,750 in total drug cost. In 2023, CMS named 781 claims across 14 drugs.
Dr. Herdman's Part D claims by kind of drug, 2024
- Generic735 claims90%
- Brand-name82 claims10%
Dr. Herdman'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. Herdman's Part D claims, 2024
- Antibiotics5%37 of 817 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: 7812024: 66715%
Drugs named by CMS: 16 in 2024, 14 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. Joseph James Herdman ranks in the 94th percentile for colonoscopy in Medicare
Dr. Herdman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 204 procedures of colonoscopy by Dr. Herdman, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Herdman ranks in Medicare procedure volume
- Colonoscopy
- 94th percentile204 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 90th percentile195 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Joseph James Herdman received $10,171 in industry payments from 2016 to 2025
CMS Open Payments shows 588 general payments to Dr. Herdman from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $2,064.
General payments to Dr. Herdman by program year, 2016 to 2025
General payments to Dr. Herdman by kind, 2016 to 2025
- Food and beverage$10,155100%
- Education$160%
Companies that paid Dr. Herdman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph James Herdman graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Herdman graduated from Jefferson Medical College of Thomas Jefferson University in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph James Herdman'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)Doctors and Clinicians Utilization Data (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. Joseph James Herdman
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. Joseph James Herdman's NPI number?
Dr. Joseph James Herdman's NPI number is 1417148131. It was assigned on August 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph James Herdman?
Dr. Joseph James Herdman is a gastroenterologist in Media, Pennsylvania. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Joseph James Herdman practice?
Dr. Herdman practices at 1068 West Baltimore Pike, Media, PA 19063. Dr. Herdman's primary practice is Riddle Hospital in Media, Pennsylvania, part of Main Line Health System. Dmand AI also links Dr. Herdman to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Joseph James Herdman's office phone number?
The practice phone on file for Dr. Herdman is (610) 566-9400.
What is Dr. Joseph James Herdman's medical license number?
Dr. Herdman holds Pennsylvania license MD440274, one of the licenses on file in 2 states.
Which states has Dr. Joseph James Herdman been licensed in?
Dmand AI has state licenses on file for Dr. Herdman in Pennsylvania and Delaware.
Which hospitals is Dr. Joseph James Herdman affiliated with?
Dr. Herdman practices at Riddle Hospital in Media, Pennsylvania. Dr. Herdman is also affiliated with Lankenau Medical Center. Dmand AI links Dr. Herdman to 2 more hospitals.
What medical group is Dr. Joseph James Herdman part of?
Dr. Herdman is linked to Regional Gastroenterology Associates of Lancaster (RGAL). Dmand AI links Dr. Herdman to 1 more medical group.
Does Dr. Joseph James Herdman accept Medicare?
Yes. CMS data shows Dr. Herdman billed Medicare for 6,776 services in 2024, and Dr. Herdman accepts Medicare assignment.
How many Medicare patients does Dr. Joseph James Herdman see?
CMS counts 650 Medicare patients who saw Dr. Herdman in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Joseph James Herdman bill to Medicare?
In 2024, Dr. Herdman's most billed Medicare services were injected or infused drug (J3380), surgery: digestive system (45385) and surgery: digestive system (43239).
Where did Dr. Joseph James Herdman go to medical school?
Dr. Herdman graduated from Jefferson Medical College of Thomas Jefferson University in 2004.
What drugs does Dr. Joseph James Herdman prescribe most?
In 2024 Medicare Part D data, Dr. Herdman's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Famotidine.
Has Dr. Joseph James Herdman received payments from drug or device companies?
CMS Open Payments shows $10,171 in general payments to Dr. Herdman from 36 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Joseph James Herdman been practicing?
Dr. Herdman graduated from medical school in 2004, 22 years ago.
Selling to gastroenterology practices?
See gastroenterologists in Pennsylvania by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card