Michael Castillo, MD
Gastroenterology Physician · Atlanta, GA
Michael Castillo, MD is a gastroenterology physician with a practice address in Atlanta, Georgia, and NPI 1407389844, issued on Apr 4, 2017. Check the license (Georgia 103068, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael Castillo
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 103068 GA
322391 NY
Self-reported in NPPES; status is on the state search - Practice location
- 980 Johnson Ferry RD Ste 820, Atlanta, GA 30342
- Phone
- (404) 252-9307
- Enumerated
- Apr 4, 2017
- Record last updated
- Feb 27, 2025
- Fax
- (404) 252-5839
- Medicare enrollment
- Enrolled (PECOS I20250516002658); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 530 in Georgia → Look up another NPI →
Also registered at 980 Johnson Ferry RD Ste 820
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sudhisha Jala, PA-CMedical Physician Assistant1659895373
- Kellie Wydrinski, PACPhysician Assistant1184471377
Verify Michael Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 103068Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average gastroenterology physician in 2024
287 Medicare Part D claims for 121 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Pantoprazole Sodium60 claims
- Peg 3350-Electrolyte30 claims
- Humira(Cf) Pen25 claims
- Sod Sulf-Potass Sulf-Mag Sulf25 claims
- Omeprazole18 claims
- Linzess17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $198.85
3 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Aga Professional Services LLCAtlanta, GA
- Aga, LLCAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Castillo among 530 gastroenterology physician records in Georgia
Michael Castillo, MD is one of 530 gastroenterology physician records with a practice address in Georgia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 91% of them.
- NPI issued2017 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2017 · median 2001 among the 397 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Georgia
There are 530 gastroenterology physician records in Georgia.
All 530 in Georgia → Every provider in Atlanta → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- David Brandenburg, MDAtlanta, GA 303421821088790
- Kelly Carson, M.D.Atlanta, GA 303421801859327
- Robert Eisenband, MDAtlanta, GA 303421053301390
- Richard Friedman, MDAtlanta, GA 303421518958537
- Luis Galvez, MDAtlanta, GA 303421326039231
- Agnes Han, M.D.Atlanta, GA 303421841268364
- Hetal Karsan, MDAtlanta, GA 303421063402881
- Russell Kramer, MDAtlanta, GA 303421861476830
Common questions
What is Michael Castillo, MD's NPI number?
Michael Castillo, MD's National Provider Identifier (NPI) is 1407389844, issued on Apr 4, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Michael Castillo, MD located?
The NPPES record lists a practice address at 980 Johnson Ferry RD Ste 820, Atlanta, GA, 30342. Phone: (404) 252-9307. Providers update this record themselves, so call before visiting.
How can I verify Michael Castillo, MD's license?
NPPES lists Georgia license number 103068, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Castillo, MD prescribe under Medicare Part D?
In 2024, Michael Castillo, MD had 287 Medicare Part D claims for 121 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Michael Castillo, MD's MIPS final score?
The 2023 MIPS final score is 90.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.