Christine Manley Herdman
- Medicare services, 2024
- 830
- Medicare patients, 2024
- 603
- Part D claims, 2024
- 1,021
- Hospital affiliations
- 1
- Industry payments
- $11,042
- Practice address
- 4923 Ogletown-Stanton Road Suite 100, Newark, DE 19713
- Practice phone
- Call (302) 993-0310
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mid-Atlantic Endoscopy Center
Surgery Center - Medicare-Certified · Newark, Delaware
Find Christine Herdman's professional email, personal email and mobile number
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Christine Manley Herdman is a gastroenterologist in Newark, Delaware
Christine Herdman practices at Mid-Atlantic Endoscopy Center in Newark, Delaware.
Christine Herdman's NPI, 1487783767, was assigned on March 5, 2007. Christine Herdman graduated from Jefferson Medical College of Thomas Jefferson University in 2004. Christine Herdman holds Delaware license C10009738.
- NPI
- 1487783767NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638348964
- NPI enumeration date
- March 5, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (302) 993-0310
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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)
Christine Manley Herdman practices at Mid-Atlantic Endoscopy Center in Newark, Delaware
Christine Herdman's primary practice is Mid-Atlantic Endoscopy Center, at 4923 Ogletown-Stanton Road Suite 100, Newark, DE 19713. The practice phone is (302) 993-0310.
- Mid-Atlantic Endoscopy Center4923 Ogletown-Stanton Road Suite 100, Newark, DE 19713Phone(302) 993-0310
Source: Dmand AI Affiliation Data
Christine Manley Herdman is affiliated with 5 sites of care and 3 medical groups
Christine Herdman's primary practice is Mid-Atlantic Endoscopy Center in Newark, Delaware. Christine Herdman is also affiliated with Christiana Hospital. The medical group on file is ChristianaCare. Dmand AI also links Christine Herdman to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christine Manley Herdman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christine Herdman practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mid-Atlantic Endoscopy Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Christine Manley Herdman is one of 45 gastroenterologists in Delaware
Gastroenterology is Christine Herdman's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Christine Herdman is licensed in Delaware.
Specialties and state licenses
- Gastroenterology, DelawarePrimary
Gastroenterologists near Christine 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
Christine Manley Herdman billed Medicare for 830 services in 2024
CMS data shows 830 Medicare services from Christine Herdman across 15 procedure codes in 2024, for 603 Medicare patients. Medicare paid $84,655 for them.
Christine Herdman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3822024: 43113%
- Surgery
- 2023: 3062024: 3163%
- Other services
- 2023: 322024: 5366%
- Tests and treatments
- 2023: 502024: 3040%
- Drugs given in the office
- 2023: 6,9002024: 0100%
Where Christine Herdman's Medicare services took place, 2024
- In an office32739%
- In a facility50361%
Christine Herdman compared with the Delaware median for gastroenterologists, 2024
- Christine Herdman
- Delaware median
- Medicare services
- 830vs 7806% above
- Medicare patients
- 603vs 51018% above
- Part D claims
- 852vs 47380% above
Medians across 43 gastroenterologists in Delaware with Dmand AI profiles that report each measure.
Christine 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Christine Herdman and other gastroenterologists in Delaware.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Christine Manley Herdman treated 603 Medicare patients in 2024, average age 73
CMS counts 603 Medicare patients who saw Christine Herdman in 2024. The largest group is 65 to 74, with 293 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christine Herdman's median patient age at 61, with 69% women.
Christine Herdman's Medicare patients by age, 2024
Christine Herdman's Medicare patients by sex, 2024
- Women42771%
- Men17629%
Chronic conditions among Christine Herdman's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis49%
- Anxiety33%
- Diabetes33%
- Mood disorders33%
- Depression30%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Christine 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
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christine Manley Herdman wrote 1,021 Medicare Part D claims in 2024
In 2024, Christine Herdman wrote 1,021 Medicare Part D claims for 334 patients. 84% of them were for generic drugs. CMS names the drug for 852 of them, across 17 drugs with 11 or more claims each, at $144,702 in total drug cost. In 2023, CMS named 786 claims across 16 drugs.
Christine Herdman's Part D claims by kind of drug, 2024
- Generic855 claims84%
- Brand-name and other166 claims16%
Christine 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 Christine Herdman's Part D claims, 2024
- Antibiotics2%18 of 1,021 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: 7862024: 8528%
Drugs named by CMS: 17 in 2024, 16 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
Christine Manley Herdman ranks in the 83rd percentile for colonoscopy in Medicare
Christine Herdman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Christine Herdman as offering telehealth. CMS counts 116 procedures of colonoscopy by Christine Herdman, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Christine Herdman ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 82nd percentile130 procedures
- Colonoscopy
- 83rd percentile116 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)
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Christine Manley Herdman received $11,042 in industry payments from 2016 to 2025
CMS Open Payments shows 699 general payments to Christine Herdman from 39 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, $3,958.
General payments to Christine Herdman by program year, 2016 to 2025
General payments to Christine Herdman by kind, 2016 to 2025
- Food and beverage$11,011100%
- Education$310%
Companies that paid Christine 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
Christine Manley Herdman graduated from Jefferson Medical College of Thomas Jefferson University
Christine Herdman graduated from Jefferson Medical College of Thomas Jefferson University in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Christine Manley 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 Christine Manley 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 Christine Manley Herdman's NPI number?
Christine Manley Herdman's NPI number is 1487783767. It was assigned on March 5, 2007, and it is active in the NPI Registry.
What does Christine Manley Herdman specialize in?
Christine Manley Herdman is a gastroenterologist in Newark, Delaware. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Christine Manley Herdman practice?
Christine Herdman practices at 4923 Ogletown-Stanton Road Suite 100, Newark, DE 19713. Christine Herdman's primary practice is Mid-Atlantic Endoscopy Center in Newark, Delaware. Dmand AI also links Christine Herdman to 3 group practices and clinics and 2 medical groups.
What is Christine Manley Herdman's office phone number?
The practice phone on file for Christine Herdman is (302) 993-0310.
What is Christine Manley Herdman's medical license number?
Christine Herdman holds Delaware license C10009738.
Which hospitals is Christine Manley Herdman affiliated with?
Christine Herdman is affiliated with Christiana Hospital.
What medical group is Christine Manley Herdman part of?
Christine Herdman is linked to ChristianaCare. Dmand AI links Christine Herdman to 2 more medical groups.
Does Christine Manley Herdman accept Medicare?
Yes. CMS data shows Christine Herdman billed Medicare for 830 services in 2024, and Christine Herdman accepts Medicare assignment.
Does Christine Manley Herdman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Christine Herdman as offering telehealth services.
How many Medicare patients does Christine Manley Herdman see?
CMS counts 603 Medicare patients who saw Christine Herdman in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Christine Manley Herdman bill to Medicare?
In 2024, Christine Herdman's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45385) and office visit, established patient (99213).
Where did Christine Manley Herdman go to medical school?
Christine Herdman graduated from Jefferson Medical College of Thomas Jefferson University in 2004.
What drugs does Christine Manley Herdman prescribe most?
In 2024 Medicare Part D data, Christine Herdman's most prescribed drugs by claims were Omeprazole, Famotidine and Pantoprazole Sodium.
Has Christine Manley Herdman received payments from drug or device companies?
CMS Open Payments shows $11,042 in general payments to Christine Herdman from 39 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Christine Manley Herdman been practicing?
Christine Herdman graduated from medical school in 2004, 22 years ago.
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