Monika Mannan, MD
NPI 1558472498 · Endocrinology, Diabetes & Metabolism Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Monika Mannan, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Rockville, MD (NPI 1558472498).
Provider details
- NPI number
- 1558472498
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- D0059510 (MD)
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
19 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
2,013 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 | 1,233 | $145 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 327 | $104 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 286 | $38 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 87 | $188 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 56 | $244 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 673 | 166 |
| Semaglutidebrand: Ozempic | 323 | 77 |
| Metformin Hclbrand: Metformin Hcl Er | 305 | 88 |
| Metformin Hcl | 272 | 82 |
| Atorvastatin Calcium | 258 | 79 |
| Empagliflozinbrand: Jardiance | 143 | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,482 across 48 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
- 2006-08-31
- Last updated
- 2012-09-17
Frequently asked questions
- What is Monika Mannan's NPI number?
- Monika Mannan's National Provider Identifier (NPI) is 1558472498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Monika Mannan's specialty?
- Monika Mannan is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Monika Mannan located?
- Monika Mannan's practice location on file with NPPES is 50 W Edmonston Dr Ste 600, Rockville, MD 20852-1254.
- What is Monika Mannan's phone number?
- The practice phone number listed in the NPPES registry for Monika Mannan is (301) 251-0662.
- Does Monika Mannan accept Medicare?
- Monika Mannan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Monika Mannan's NPI active?
- Yes — Monika Mannan's NPI (1558472498) is active in the NPPES registry as of the last update on 2012-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.