Mary Jane Fronda Castillo, CRNP, MSN
- Medicare patients, 2024
- 57
- Part D claims, 2024
- 661
- Hospital affiliations
- 1
- Industry payments
- $118
- Medical group
- 1
- Practice address
- 1328 River Avenue, Suite 16, Lakewood, NJ 08701
- Practice phone
- Call (732) 730-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fresenius Kidney Care Lakewood
Dialysis Center - Independent · Lakewood, New Jersey
Find Mary Jane 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.
Mary Jane Fronda Castillo is a nurse practitioner in Lakewood, New Jersey
Mary Jane Castillo practices at Fresenius Kidney Care Lakewood in Lakewood, New Jersey.
Mary Jane Castillo's NPI, 1508357104, was assigned on May 20, 2018. Mary Jane Castillo holds New Jersey license 26NJ00810600.
- NPI
- 1508357104NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991055576
- NPI enumeration date
- May 20, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (732) 730-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Jane Fronda Castillo practices at Fresenius Kidney Care Lakewood in Lakewood, New Jersey
Mary Jane Castillo's primary practice is Fresenius Kidney Care Lakewood, at 1328 River Avenue, Suite 16, Lakewood, NJ 08701 in Ocean County. The practice phone is (732) 730-2222.
- Fresenius Kidney Care Lakewood1328 River Avenue, Suite 16, Lakewood, NJ 08701 · Ocean CountyPhone(732) 730-2222
Source: Dmand AI Affiliation Data
Mary Jane Fronda Castillo is affiliated with 3 sites of care and 1 medical group
Mary Jane Castillo's primary practice is Fresenius Kidney Care Lakewood in Lakewood, New Jersey. Mary Jane Castillo is also affiliated with Community Medical Center. The medical group on file is Ocean Renal Associates, P.A. Dmand AI also links Mary Jane Castillo to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary Jane Fronda Castillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Jane Castillo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fresenius Kidney Care Lakewood | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary Jane Fronda Castillo is one of 1,544 nurse practitioners in New Jersey
Nurse practitioner is Mary Jane Castillo's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mary Jane Castillo is licensed in New Jersey.
Specialties and state licenses
- Nurse practitioner, New JerseyPrimary
Nurse practitioners near Mary Jane Castillo
Counts of nurse practitioners 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
Mary Jane Fronda Castillo treated 57 Medicare patients in 2024, average age 73
CMS counts 57 Medicare patients who saw Mary Jane Castillo in 2024. The largest group is 75 to 84, with 26 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 35% are also on Medicaid. Their average risk score is 8.48, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mary Jane Castillo's median patient age at 70, with 39% women.
Mary Jane Castillo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Jane Castillo's Medicare patients by sex, 2024
- Women2544%
- Men3256%
Chronic conditions among Mary Jane Castillo's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure68%
- Arthritis56%
- Mood disorders54%
Share of Medicare patients with each condition. A patient can have several.
Mary Jane 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 70
Patient panel by sex, all payers
- Women39%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary Jane Fronda Castillo wrote 661 Medicare Part D claims in 2024
In 2024, Mary Jane Castillo wrote 661 Medicare Part D claims for 80 patients. 82% of them were for generic drugs.
Mary Jane Castillo's Part D claims by kind of drug, 2024
- Generic542 claims82%
- Brand-name119 claims18%
Drug classes CMS tracks in Mary Jane Castillo's Part D claims, 2024
- Antibiotics3%18 of 661 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
How Mary Jane Fronda Castillo takes part in Medicare
Mary Jane Castillo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Mary Jane Fronda Castillo received $118 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mary Jane Castillo from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Ardelyx, Inc. paid the most, $118.
Companies that paid Mary Jane 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 Mary Jane Fronda 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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 Mary Jane Fronda 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 Mary Jane Fronda Castillo's NPI number?
Mary Jane Fronda Castillo's NPI number is 1508357104. It was assigned on May 20, 2018, and it is active in the NPI Registry.
What does Mary Jane Fronda Castillo specialize in?
Mary Jane Fronda Castillo is a nurse practitioner in Lakewood, New Jersey. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Mary Jane Fronda Castillo practice?
Mary Jane Castillo practices at 1328 River Avenue, Suite 16, Lakewood, NJ 08701. Mary Jane Castillo's primary practice is Fresenius Kidney Care Lakewood in Lakewood, New Jersey. Dmand AI also links Mary Jane Castillo to 1 group practice or clinic.
What is Mary Jane Fronda Castillo's office phone number?
The practice phone on file for Mary Jane Castillo is (732) 730-2222.
What is Mary Jane Fronda Castillo's medical license number?
Mary Jane Castillo holds New Jersey license 26NJ00810600.
Which hospitals is Mary Jane Fronda Castillo affiliated with?
Mary Jane Castillo is affiliated with Community Medical Center.
What medical group is Mary Jane Fronda Castillo part of?
Mary Jane Castillo is linked to Ocean Renal Associates, P.A.
Does Mary Jane Fronda Castillo accept Medicare?
Yes. CMS lists Mary Jane Castillo as accepting Medicare assignment.
How many Medicare patients does Mary Jane Fronda Castillo see?
CMS counts 57 Medicare patients who saw Mary Jane Castillo in 2024, with an average age of 73.
Has Mary Jane Fronda Castillo received payments from drug or device companies?
CMS Open Payments shows $118 in general payments to Mary Jane Castillo from 1 company from 2025 to 2025. The largest total came from Ardelyx, Inc.
How long has Mary Jane Fronda Castillo been practicing?
Mary Jane Castillo graduated from medical school in 2017, 9 years ago.
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