Joel Parker, M.D.
NPI 1336134352 · Psychiatry Physician · Phoenix, AZ
Joel Parker, M.D. is a Psychiatry Physician provider in Phoenix, AZ (NPI 1336134352).
Provider details
- NPI number
- 1336134352
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 21061 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 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 |
|---|---|---|
| Lamotrigine | 112 | 21 |
| Bupropion Hclbrand: Bupropion Xl | 91 | 18 |
| Duloxetine Hcl | 79 | 18 |
| Alprazolam | 72 | — |
| Clonazepam | 62 | — |
| Trazodone Hcl | 55 | 15 |
| Sertraline Hcl | 54 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,197 across 127 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
- 2005-09-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joel Parker's NPI number?
- Joel Parker's National Provider Identifier (NPI) is 1336134352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Parker's specialty?
- Joel Parker is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Joel Parker located?
- Joel Parker's practice location on file with NPPES is 6245 N 24th Pkwy, Phoenix, AZ 85016-2024.
- What is Joel Parker's phone number?
- The practice phone number listed in the NPPES registry for Joel Parker is (602) 843-0035.
- Is Joel Parker's NPI active?
- Yes — Joel Parker's NPI (1336134352) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.