Dibyajiban Mahapatra, M.D.
NPI 1639163769 · Internal Medicine Physician · Huntsville, AL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dibyajiban Mahapatra, M.D. is a Internal Medicine Physician provider in Huntsville, AL (NPI 1639163769).
Provider details
- NPI number
- 1639163769
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 20939 (AL)
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
3,681 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,132 | $119 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 770 | $13 |
| Hemoglobin A1c Level83036 | 251 | $9 |
| X-Ray of Chest, 2 Views71046 | 222 | $30 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 220 | $166 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 206 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 125 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 270 | 79 |
| Allopurinol | 206 | 61 |
| Atorvastatin Calcium | 191 | 61 |
| Prednisone | 187 | 98 |
| Losartan Potassium | 185 | 62 |
| Levothyroxine Sodium | 174 | 50 |
| Pravastatin Sodium | 172 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$367 across 18 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
- 2005-09-05
- Last updated
- 2008-09-09
Frequently asked questions
- What is Dibyajiban Mahapatra's NPI number?
- Dibyajiban Mahapatra's National Provider Identifier (NPI) is 1639163769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dibyajiban Mahapatra's specialty?
- Dibyajiban Mahapatra is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dibyajiban Mahapatra located?
- Dibyajiban Mahapatra's practice location on file with NPPES is 185 Whitesport Dr Sw, Huntsville, AL 35801-6486.
- What is Dibyajiban Mahapatra's phone number?
- The practice phone number listed in the NPPES registry for Dibyajiban Mahapatra is (256) 883-6966.
- Does Dibyajiban Mahapatra accept Medicare?
- Dibyajiban Mahapatra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dibyajiban Mahapatra's NPI active?
- Yes — Dibyajiban Mahapatra's NPI (1639163769) is active in the NPPES registry as of the last update on 2008-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.