Mark Kellum, MD
NPI 1881665859 · Obstetrics & Gynecology Physician · Tupelo, MS
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kellum, MD is a Obstetrics & Gynecology Physician provider in Tupelo, MS (NPI 1881665859).
Provider details
- NPI number
- 1881665859
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 11046 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
807 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 203 | $46 |
| Screening Mammography77067 | 203 | $110 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 146 | $82 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 106 | $35 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 51 | $116 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
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 |
|---|---|---|
| Estradiol | 208 | 57 |
| Estrogens, Conjugatedbrand: Premarin | 60 | — |
| Medroxyprogesterone Acetate | 55 | 13 |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 50 | 26 |
| Valacyclovir Hclbrand: Valacyclovir | 32 | — |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 24 | — |
| Estradiolbrand: Estradiol (once Weekly) |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$351 across 19 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
- 2006-01-30
- Last updated
- 2012-06-21
Frequently asked questions
- What is Mark Kellum's NPI number?
- Mark Kellum's National Provider Identifier (NPI) is 1881665859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kellum's specialty?
- Mark Kellum is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Kellum located?
- Mark Kellum's practice location on file with NPPES is 1793 Cliff Gookin Blvd, Tupelo, MS 38801-6723.
- What is Mark Kellum's phone number?
- The practice phone number listed in the NPPES registry for Mark Kellum is (662) 842-1161.
- Does Mark Kellum accept Medicare?
- Mark Kellum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kellum's NPI active?
- Yes — Mark Kellum's NPI (1881665859) is active in the NPPES registry as of the last update on 2012-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.