Megan Joan Castillo, PA
- Medicare patients, 2024
- 454
- Part D claims, 2024
- 1,066
- MIPS score, 2024
- 56
- Hospital affiliations
- 5
- Industry payments
- $1,781
- Practice address
- 129 Vision Park Blvd, Shenandoah, TX 77384
- Practice phone
- Call (936) 321-5440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Center for Digestive Disease
Shenandoah, Texas
Find Megan Castillo'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.
Megan Joan Castillo is a physician assistant in Shenandoah, Texas
Megan Castillo practices at Center for Digestive Disease in Shenandoah, Texas.
Megan Castillo's NPI, 1447781091, was assigned on March 24, 2017. Megan Castillo holds Texas license PA11127.
- NPI
- 1447781091NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406125442
- NPI enumeration date
- March 24, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (936) 321-5440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Megan Joan Castillo practices at Center for Digestive Disease in Shenandoah, Texas
Megan Castillo's primary practice is Center for Digestive Disease, at 129 Vision Park Blvd, Shenandoah, TX 77384 in Montgomery County. The practice phone is (936) 321-5440.
- Center for Digestive Disease129 Vision Park Blvd, Shenandoah, TX 77384 · Montgomery CountyPhone(936) 321-5440
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Megan Joan Castillo is affiliated with 7 sites of care and 1 medical group
Megan Castillo's primary practice is Center for Digestive Disease in Shenandoah, Texas. Megan Castillo is also affiliated with Memorial Hermann Greater Heights Hospital. The medical group on file is Center for Digestive Disease. Dmand AI also links Megan Castillo to 4 more hospitals and 1 group practice or clinic, 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 Megan Joan Castillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Megan Castillo practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Center for Digestive Disease | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Megan Joan Castillo is one of 8,663 physician assistants in Texas
Physician assistant is Megan Castillo's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Megan Castillo is licensed in Texas.
Specialties and state licenses
- Physician assistant, TexasPrimary
Physician assistants near Megan Castillo
Counts of physician assistants 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
Megan Joan Castillo treated 454 Medicare patients in 2024, average age 74
CMS counts 454 Medicare patients who saw Megan Castillo in 2024. The largest group is 65 to 74, with 216 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 2% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Megan Castillo's median patient age at 72, with 63% women.
Megan Castillo's Medicare patients by age, 2024
Megan Castillo's Medicare patients by sex, 2024
- Women31068%
- Men14432%
Chronic conditions among Megan Castillo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Anxiety34%
- Ischemic heart disease31%
- Diabetes29%
- Mood disorders29%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Megan Castillo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women63%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Megan Joan Castillo wrote 1,066 Medicare Part D claims in 2024
In 2024, Megan Castillo wrote 1,066 Medicare Part D claims for 438 patients. 84% of them were for generic drugs.
Megan Castillo's Part D claims by kind of drug, 2024
- Generic898 claims84%
- Brand-name168 claims16%
Drug classes CMS tracks in Megan Castillo's Part D claims, 2024
- Antibiotics10%107 of 1,066 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Megan Joan Castillo scored 56 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 56 out of 100 for Megan Castillo for performance year 2024, reported as part of a group. Megan Castillo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Megan Castillo's MIPS scores, performance year 2024
- 56of 100Final score
- 50.6of 100Quality
- 40of 100Improvement Activities
- 28of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Megan Joan Castillo received $1,781 in industry payments in 2025
CMS Open Payments shows 69 general payments to Megan Castillo from 19 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $317.
Companies that paid Megan Castillo the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Megan Joan Castillo'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 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 (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Megan Joan Castillo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Megan Joan Castillo's NPI number?
Megan Joan Castillo's NPI number is 1447781091. It was assigned on March 24, 2017, and it is active in the NPI Registry.
What does Megan Joan Castillo specialize in?
Megan Joan Castillo is a physician assistant in Shenandoah, Texas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Megan Joan Castillo practice?
Megan Castillo practices at 129 Vision Park Blvd, Shenandoah, TX 77384. Megan Castillo's primary practice is Center for Digestive Disease in Shenandoah, Texas. Dmand AI also links Megan Castillo to 4 hospitals and 1 group practice or clinic.
What is Megan Joan Castillo's office phone number?
The practice phone on file for Megan Castillo is (936) 321-5440.
What is Megan Joan Castillo's medical license number?
Megan Castillo holds Texas license PA11127.
Which hospitals is Megan Joan Castillo affiliated with?
Megan Castillo is affiliated with Memorial Hermann Greater Heights Hospital. Dmand AI links Megan Castillo to 4 more hospitals.
What medical group is Megan Joan Castillo part of?
Megan Castillo is linked to Center for Digestive Disease.
Does Megan Joan Castillo accept Medicare?
Yes. CMS lists Megan Castillo as accepting Medicare assignment.
What is Megan Joan Castillo's MIPS score?
Megan Castillo's MIPS final score for performance year 2024 is 56 out of 100, reported as part of a group.
How many Medicare patients does Megan Joan Castillo see?
CMS counts 454 Medicare patients who saw Megan Castillo in 2024, with an average age of 74.
Has Megan Joan Castillo received payments from drug or device companies?
CMS Open Payments shows $1,781 in general payments to Megan Castillo from 19 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Megan Joan Castillo been practicing?
Megan Castillo graduated from medical school in 2016, 10 years ago.
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