Dr. Daniel N. Castresana, MD
- Medicare services, 2024
- 341
- Medicare patients, 2024
- 272
- Part D claims, 2024
- 164
- Publications
- 11
- MIPS score, 2024
- 98
- Practice address
- 1120 15th Street, Augusta, GA 30912
- Practice phone
- Call (706) 721-6569
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Castresana'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. Daniel N. Castresana is a gastroenterologist in Augusta, Georgia
Dr. Castresana practices at Wellstar MCG Health Medical Center in Augusta, Georgia, part of Wellstar Health System.
Dr. Castresana's NPI, 1770873465, was assigned on April 14, 2011. Dr. Castresana graduated from Medical College of Georgia School of Medicine in 2011. Dr. Castresana holds Georgia license 85883.
- NPI
- 1770873465NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012133879
- NPI enumeration date
- April 14, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (706) 721-6569
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel N. Castresana practices at Wellstar MCG Health Medical Center in Augusta, Georgia
Dr. Castresana's primary practice is Wellstar MCG Health Medical Center, at 1120 15th Street, Augusta, GA 30912 in Richmond County. The practice phone is (706) 721-6569.
- Wellstar MCG Health Medical Center1120 15th Street, Augusta, GA 30912 · Richmond CountyPhone(706) 721-6569
Source: Dmand AI Affiliation Data
Dr. Daniel N. Castresana is affiliated with 1 site of care and 3 medical groups
Dr. Castresana's primary practice is Wellstar MCG Health Medical Center in Augusta, Georgia, part of Wellstar Health System. The medical group on file is Wellstar Medical Group. Dmand AI also links Dr. Castresana to 2 more 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 Dr. Daniel N. Castresana's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Castresana practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellstar MCG Health Medical Center | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel N. Castresana is one of 503 gastroenterologists in Georgia
Gastroenterology is Dr. Castresana's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Castresana's licenses on file in 4 states: Georgia, Colorado, New Mexico and Oregon.
Specialties and state licenses
- Gastroenterology, GeorgiaPrimary
- Colorado license
- New Mexico license
- Oregon license
Gastroenterologists near Dr. Castresana
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. Daniel N. Castresana billed Medicare for 341 services in 2024
CMS data shows 341 Medicare services from Dr. Castresana across 14 procedure codes in 2024, for 272 Medicare patients. Medicare paid $47,217 for them.
Dr. Castresana's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3312024: 28315%
- Office and hospital visits
- 2023: 932024: 4057%
- Other services
- 2023: 332024: 1845%
- Imaging
- 2023: 422024: 0100%
Where Dr. Castresana's Medicare services took place, 2024
- In an office206%
- In a facility32194%
Dr. Castresana compared with the Georgia median for gastroenterologists, 2024
- Dr. Castresana
- Georgia median
- Medicare services
- 341vs 49431% below
- Medicare patients
- 272vs 2978% below
- Part D claims
- 136vs 50373% below
Medians across 499 gastroenterologists in Georgia with Dmand AI profiles that report each measure.
Dr. Castresana'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. Castresana and other gastroenterologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel N. Castresana treated 272 Medicare patients in 2024, average age 74
CMS counts 272 Medicare patients who saw Dr. Castresana in 2024. The largest group is 65 to 74, with 140 patients. 68% of them have high blood pressure, and 58% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Castresana's median patient age at 69, with 58% women.
Dr. Castresana's Medicare patients by age, 2024
Dr. Castresana's Medicare patients by sex, 2024
- Women15356%
- Men11944%
Chronic conditions among Dr. Castresana's Medicare patients, 2024
- High blood pressure68%
- High cholesterol58%
- Arthritis44%
- Ischemic heart disease25%
- Chronic kidney disease24%
- Diabetes24%
- Anxiety21%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Castresana's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel N. Castresana wrote 164 Medicare Part D claims in 2024
In 2024, Dr. Castresana wrote 164 Medicare Part D claims for 104 patients. 77% of them were for generic drugs. CMS names the drug for 136 of them, across 6 drugs with 11 or more claims each, at $45,604 in total drug cost. In 2023, CMS named 245 claims across 10 drugs.
Dr. Castresana's Part D claims by kind of drug, 2024
- Generic127 claims77%
- Brand-name37 claims23%
Dr. Castresana'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. Castresana's Part D claims, 2024
- Antibiotics30%50 of 164 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: 2452024: 13644%
Drugs named by CMS: 6 in 2024, 10 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. Daniel N. Castresana scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Castresana for performance year 2024, reported as part of a group. Dr. Castresana accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 219 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Castresana, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Castresana's MIPS scores, performance year 2024
- 98of 100Final score
- 96.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Castresana ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 91st percentile219 procedures
- Colonoscopy
- 51st percentile26 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. Daniel N. Castresana has 11 publications on record
Dmand AI links 11 papers to Dr. Castresana, published from 2014 to 2022. 2015 was the busiest year, with 4. The most frequent topics are Diagnosis, Differential, Gastrointestinal Neoplasms and Gastrointestinal Stromal Tumors. Dr. Castresana has published most often in Dig Dis Sci. Dr. Castresana's most frequent co-authors are Archana Kaza, MD, Gulshan Parasher, MD and Sameen Khalid, MD.
Dr. Castresana's papers by year, 2014 to 2022
Topics Dr. Castresana writes about most
- Diagnosis, Differential
- Gastrointestinal Neoplasms
- Gastrointestinal Stromal Tumors
- Liver Neoplasms
- Tomography, X-Ray Computed
Dr. Castresana's most frequent co-authors
Recent publications by Dr. Castresana
Gastrointest Endosc
Gastrointest Endosc
See who Dr. Castresana researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Castresana works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Daniel N. Castresana received $7,918 in industry payments from 2016 to 2025
CMS Open Payments shows 214 general payments to Dr. Castresana from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 62% of the total. Boston Scientific Corporation paid the most, $2,368.
General payments to Dr. Castresana by program year, 2016 to 2025
General payments to Dr. Castresana by kind, 2016 to 2025
- Food and beverage$4,87262%
- Travel and lodging$3,04538%
Companies that paid Dr. Castresana 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. Daniel N. Castresana graduated from Medical College of Georgia School of Medicine
Dr. Castresana graduated from Medical College of Georgia School of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel N. Castresana'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)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. Daniel N. Castresana
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. Daniel N. Castresana's NPI number?
Dr. Daniel N. Castresana's NPI number is 1770873465. It was assigned on April 14, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel N. Castresana?
Dr. Daniel N. Castresana is a gastroenterologist in Augusta, Georgia. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Daniel N. Castresana practice?
Dr. Castresana practices at 1120 15th Street, Augusta, GA 30912. Dr. Castresana's primary practice is Wellstar MCG Health Medical Center in Augusta, Georgia, part of Wellstar Health System. Dmand AI also links Dr. Castresana to 2 medical groups.
What is Dr. Daniel N. Castresana's office phone number?
The practice phone on file for Dr. Castresana is (706) 721-6569.
What is Dr. Daniel N. Castresana's medical license number?
Dr. Castresana holds Georgia license 85883, one of the licenses on file in 4 states.
Which states has Dr. Daniel N. Castresana been licensed in?
Dmand AI has state licenses on file for Dr. Castresana in Georgia, Colorado, New Mexico and Oregon.
Which hospitals is Dr. Daniel N. Castresana affiliated with?
Dr. Castresana practices at Wellstar MCG Health Medical Center in Augusta, Georgia.
What medical group is Dr. Daniel N. Castresana part of?
Dr. Castresana is linked to Wellstar Medical Group. Dmand AI links Dr. Castresana to 2 more medical groups.
Does Dr. Daniel N. Castresana accept Medicare?
Yes. CMS data shows Dr. Castresana billed Medicare for 341 services in 2024, and Dr. Castresana accepts Medicare assignment.
What is Dr. Daniel N. Castresana's MIPS score?
Dr. Castresana's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Daniel N. Castresana see?
CMS counts 272 Medicare patients who saw Dr. Castresana in 2024, with an average age of 74.
What services does Dr. Daniel N. Castresana bill to Medicare?
In 2024, Dr. Castresana's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and surgery: digestive system (43264).
Where did Dr. Daniel N. Castresana go to medical school?
Dr. Castresana graduated from Medical College of Georgia School of Medicine in 2011.
What drugs does Dr. Daniel N. Castresana prescribe most?
In 2024 Medicare Part D data, Dr. Castresana's most prescribed drugs by claims were Ciprofloxacin HCl, Omeprazole and Pantoprazole Sodium.
Has Dr. Daniel N. Castresana received payments from drug or device companies?
CMS Open Payments shows $7,918 in general payments to Dr. Castresana from 30 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Daniel N. Castresana been practicing?
Dr. Castresana graduated from medical school in 2011, 15 years ago.
Does Dr. Daniel N. Castresana do research?
Dmand AI links 11 publications to Dr. Castresana, published from 2014 to 2022.
Who does Dr. Daniel N. Castresana publish with?
Dr. Castresana's most frequent co-authors are Archana Kaza, MD (4 shared papers), Gulshan Parasher, MD (3 shared papers) and Sameen Khalid, MD (2 shared papers).
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