Aparna Mark, M.D.
NPI 1639533581 · Family Medicine Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aparna Mark, M.D. is a Family Medicine Physician provider in Atlanta, GA (NPI 1639533581).
Provider details
- NPI number
- 1639533581
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- 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
10 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
482 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 | 201 | $128 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 117 | $130 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 69 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $87 |
| Hemoglobin A1c Level83036 | 23 | $10 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 451 | 158 |
| Levothyroxine Sodium | 256 | 70 |
| Amlodipine Besylate | 232 | 80 |
| Lisinopril | 195 | 59 |
| Losartan Potassium | 159 | 50 |
| Hydrochlorothiazide | 127 | 44 |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-07
- Last updated
- 2019-07-02
Frequently asked questions
- What is Aparna Mark's NPI number?
- Aparna Mark's National Provider Identifier (NPI) is 1639533581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aparna Mark's specialty?
- Aparna Mark is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aparna Mark located?
- Aparna Mark's practice location on file with NPPES is 4500 N Shallowford Rd, Atlanta, GA 30338-6476.
- What is Aparna Mark's phone number?
- The practice phone number listed in the NPPES registry for Aparna Mark is (404) 778-6920.
- Does Aparna Mark accept Medicare?
- Aparna Mark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aparna Mark's NPI active?
- Yes — Aparna Mark's NPI (1639533581) is active in the NPPES registry as of the last update on 2019-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.