Mark Blocker, PA
NPI 1104321397 · Physician Assistant · Atlanta, GA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Blocker, PA is a Physician Assistant provider in Atlanta, GA (NPI 1104321397).
Provider details
- NPI number
- 1104321397
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
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
8 yrs in NPPES registry
- Profile completeness33% of score
83% 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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 89 | 15 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 62 | — |
| Brexpiprazolebrand: Rexulti | 61 | 11 |
| Cariprazine Hclbrand: Vraylar | 51 | — |
| Lamotrigine | 44 | — |
| Quetiapine Fumarate | 41 | — |
| Buspirone Hcl | 35 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,241 across 115 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
- 2018-03-28
- Last updated
- 2018-03-28
Frequently asked questions
- What is Mark Blocker's NPI number?
- Mark Blocker's National Provider Identifier (NPI) is 1104321397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Blocker's specialty?
- Mark Blocker is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Blocker located?
- Mark Blocker's practice location on file with NPPES is 2150 Peachford Rd Ste Q, Atlanta, GA 30338-6539.
- What is Mark Blocker's phone number?
- The practice phone number listed in the NPPES registry for Mark Blocker is (678) 615-7032.
- Does Mark Blocker accept Medicare?
- Mark Blocker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Blocker's NPI active?
- Yes — Mark Blocker's NPI (1104321397) is active in the NPPES registry as of the last update on 2018-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.