Sunny Diffang, CRNP
NPI 1407480817 · Psychiatric/Mental Health Nurse Practitioner · Randallstown, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sunny Diffang, CRNP is a Psychiatric/Mental Health Nurse Practitioner provider in Randallstown, MD (NPI 1407480817).
Provider details
- NPI number
- 1407480817
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Male
- Sole proprietor
- No
- License
- R202090 (MD)
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 tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Benztropine Mesylate | 108 | 11 |
| Quetiapine Fumarate | 91 | — |
| Trazodone Hcl | 90 | — |
| Haloperidol | 69 | — |
| Escitalopram Oxalate | 61 | — |
| Amantadine Hclbrand: Amantadine | 56 | — |
| Sertraline Hcl | 55 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$544 across 15 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
- 2020-02-24
- Last updated
- 2020-02-24
- Certified
- 2020-02-24
Frequently asked questions
- What is Sunny Diffang's NPI number?
- Sunny Diffang's National Provider Identifier (NPI) is 1407480817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sunny Diffang's specialty?
- Sunny Diffang is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sunny Diffang located?
- Sunny Diffang's practice location on file with NPPES is 3523 Corn Stream Rd, Randallstown, MD 21133-2442.
- What is Sunny Diffang's phone number?
- The practice phone number listed in the NPPES registry for Sunny Diffang is (410) 528-3866.
- Does Sunny Diffang accept Medicare?
- Sunny Diffang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sunny Diffang's NPI active?
- Yes — Sunny Diffang's NPI (1407480817) is active in the NPPES registry as of the last update on 2020-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.