Nisha Parambil, M.D.
NPI 1255589594 · Endocrinology, Diabetes & Metabolism Physician · Hanover, MD
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nisha Parambil, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Hanover, MD (NPI 1255589594).
Provider details
- NPI number
- 1255589594
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- D0072973 (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
17 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
1,411 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 | 284 | $130 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 196 | $174 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 132 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 114 | $10 |
| 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 | 93 | $17 |
| Blood Test, Thyroid Stimulating Hormone (tsh) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 85 | 38 |
| Metformin Hcl | 40 | 19 |
| Semaglutidebrand: Ozempic | 39 | 11 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 31 | 18 |
| Tirzepatidebrand: Mounjaro | 30 | — |
| Alendronate Sodium | 29 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$97 across 4 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
- 2008-08-28
- Last updated
- 2023-09-08
- Certified
- 2023-09-08
Frequently asked questions
- What is Nisha Parambil's NPI number?
- Nisha Parambil's National Provider Identifier (NPI) is 1255589594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nisha Parambil's specialty?
- Nisha Parambil is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Nisha Parambil located?
- Nisha Parambil's practice location on file with NPPES is 7556 Teague Rd Ste 210, Hanover, MD 21076-1941.
- What is Nisha Parambil's phone number?
- The practice phone number listed in the NPPES registry for Nisha Parambil is (410) 729-3360.
- Does Nisha Parambil accept Medicare?
- Nisha Parambil is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nisha Parambil's NPI active?
- Yes — Nisha Parambil's NPI (1255589594) is active in the NPPES registry as of the last update on 2023-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.