John Anthony Diya, NP
NPI 1275095663 · Family Nurse Practitioner · Huntington Beach, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Anthony Diya, NP is a Family Nurse Practitioner provider in Huntington Beach, CA (NPI 1275095663).
Provider details
- NPI number
- 1275095663
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95011440 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
173 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 173 | $91 |
Typical Medicare-allowed amounts for these services range $91–$91 (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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 83 | — |
| Duloxetine Hcl | 48 | 13 |
| Bupropion Hclbrand: Bupropion Xl | 43 | 16 |
| Trazodone Hcl | 42 | 16 |
| Buspirone Hcl | 36 | — |
| Gabapentin | 36 | 12 |
| Hydroxyzine Hcl | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,456 across 82 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
Additional practice locations (1)
- 1751 E Garry AveSanta Ana, CA 92705-5814Phone: (877) 896-7350
Registry dates
- Enumerated
- 2019-04-03
- Last updated
- 2020-05-06
- Certified
- 2020-05-06
Frequently asked questions
- What is John Anthony Diya's NPI number?
- John Anthony Diya's National Provider Identifier (NPI) is 1275095663, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Anthony Diya's specialty?
- John Anthony Diya is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Anthony Diya located?
- John Anthony Diya's practice location on file with NPPES is 7677 Center Ave Ste 405, Huntington Beach, CA 92647-3098.
- What is John Anthony Diya's phone number?
- The practice phone number listed in the NPPES registry for John Anthony Diya is (888) 503-1549.
- Does John Anthony Diya accept Medicare?
- John Anthony Diya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Anthony Diya's NPI active?
- Yes — John Anthony Diya's NPI (1275095663) is active in the NPPES registry as of the last update on 2020-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.