Marisa Howell, MD
NPI 1639431646 · Internal Medicine Physician · Jonesboro, GA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marisa Howell, MD is a Internal Medicine Physician provider in Jonesboro, GA (NPI 1639431646).
Provider details
- NPI number
- 1639431646
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- CMD14338 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
17 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $120 |
Typical Medicare-allowed amounts for these services range $120–$120 (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 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 460 | 155 |
| Atorvastatin Calcium | 447 | 155 |
| Rosuvastatin Calcium | 276 | 93 |
| Losartan Potassium | 257 | 93 |
| Gabapentin | 210 | 73 |
| Lisinopril | 190 | 61 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-14
- Last updated
- 2022-01-10
Frequently asked questions
- What is Marisa Howell's NPI number?
- Marisa Howell's National Provider Identifier (NPI) is 1639431646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marisa Howell's specialty?
- Marisa Howell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marisa Howell located?
- Marisa Howell's practice location on file with NPPES is 2400 Mount Zion Pkwy, Jonesboro, GA 30236-2500.
- What is Marisa Howell's phone number?
- The practice phone number listed in the NPPES registry for Marisa Howell is (770) 603-3649.
- Does Marisa Howell accept Medicare?
- Marisa Howell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marisa Howell's NPI active?
- Yes — Marisa Howell's NPI (1639431646) is active in the NPPES registry as of the last update on 2022-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.