Mathew Castelino, MD
NPI 1912970229 · Psychiatry Physician · Gary, IN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mathew Castelino, MD is a Psychiatry Physician provider in Gary, IN (NPI 1912970229).
Provider details
- NPI number
- 1912970229
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036087553 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
245 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 108 | $13 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 97 | $73 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 21 | $75 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 19 | $121 |
Typical Medicare-allowed amounts for these services range $13–$121 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 558 | 82 |
| Escitalopram Oxalate | 357 | 61 |
| Clonazepam | 326 | 38 |
| Divalproex Sodium | 246 | 47 |
| Benztropine Mesylate | 220 | 26 |
| Hydroxyzine Pamoate | 208 | 31 |
| Haloperidol | 206 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$865 across 50 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-08
- Last updated
- 2013-11-22
Frequently asked questions
- What is Mathew Castelino's NPI number?
- Mathew Castelino's National Provider Identifier (NPI) is 1912970229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mathew Castelino's specialty?
- Mathew Castelino is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mathew Castelino located?
- Mathew Castelino's practice location on file with NPPES is 1100 W 6th Ave, Gary, IN 46402-1711.
- What is Mathew Castelino's phone number?
- The practice phone number listed in the NPPES registry for Mathew Castelino is (219) 885-4264.
- Does Mathew Castelino accept Medicare?
- Mathew Castelino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mathew Castelino's NPI active?
- Yes — Mathew Castelino's NPI (1912970229) is active in the NPPES registry as of the last update on 2013-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.