Jillian Blalock, DO
NPI 1003377466 · Emergency Medicine Physician · Marietta, GA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jillian Blalock, DO is a Emergency Medicine Physician provider in Marietta, GA (NPI 1003377466).
Provider details
- NPI number
- 1003377466
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
322 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 165 | $169 |
| Critical Care, First 30-74 Minutes99291 | 58 | $200 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 50 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 38 | $116 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 11 | $90 |
Typical Medicare-allowed amounts for these services range $8–$200 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 103 | 102 |
| Cephalexin | 29 | 29 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 29 | 29 |
| Dicyclomine Hcl | 24 | 24 |
| Tramadol Hcl | 20 | 20 |
| Prednisone | 15 | 15 |
| Doxycycline Hyclate | 14 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-28
- Last updated
- 2023-02-28
- Certified
- 2023-02-28
Frequently asked questions
- What is Jillian Blalock's NPI number?
- Jillian Blalock's National Provider Identifier (NPI) is 1003377466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jillian Blalock's specialty?
- Jillian Blalock is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jillian Blalock located?
- Jillian Blalock's practice location on file with NPPES is 677 Church St Ne, Marietta, GA 30060-1101.
- What is Jillian Blalock's phone number?
- The practice phone number listed in the NPPES registry for Jillian Blalock is (770) 793-5000.
- Does Jillian Blalock accept Medicare?
- Jillian Blalock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jillian Blalock's NPI active?
- Yes — Jillian Blalock's NPI (1003377466) is active in the NPPES registry as of the last update on 2023-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.