Monika Mannan, MD
NPI 1558472498ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Rockville, MD
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Rockville, Maryland, licensed in MD, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $2,121,208 for 4,969 claims, against $191,716 paid for services in 2024. Medtronic, Inc. was the largest of 19 companies reporting payments in 2025, $2,573 in all, mostly food and beverage.
Overview
| NPI | 1558472498 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Sep 17, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | D0059510 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 653 |
|---|---|
| Services billed | 2,022 across 10 procedure codes |
| Paid by Medicare | $191,716 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,969 · 12,290 30-day fills |
|---|---|
| Patients | 545 |
| Total drug cost | $2,121,208 |
| Generic share | 51% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$2,573 · 54 payments from 19 companies
- 2024$1,482 · 49 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $938.57 | 10 |
| Novo Nordisk Inc | $391.54 | 10 |
| Madrigal Pharmaceuticals | $218.14 | 4 |
| Insulet Corporation | $182.75 | 3 |
| Dexcom, Inc. | $140.98 | 2 |
What the 2025 payments were for
- Food and Beverage$1,916 · 51 payments
- Travel and Lodging$657.33 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 endocrinologists in Rockville · All endocrinologists in Maryland