Elkin Nunez, MD
NPI 1891973780 · Internal Medicine Physician · Morristown, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elkin Nunez, MD is a Internal Medicine Physician provider in Morristown, NJ (NPI 1891973780).
Provider details
- NPI number
- 1891973780
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA08445700 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
637 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 | 356 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 150 | $97 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 101 | $190 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $182 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 11 | $131 |
Typical Medicare-allowed amounts for these services range $97–$190 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 708 | 174 |
| Dulaglutidebrand: Trulicity | 641 | 131 |
| Metformin Hcl | 485 | 160 |
| Tirzepatidebrand: Mounjaro | 428 | 93 |
| Semaglutidebrand: Ozempic | 410 | 102 |
| Metformin Hclbrand: Metformin Hcl Er | 301 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$924 across 41 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
- 2008-02-04
- Last updated
- 2019-03-01
Frequently asked questions
- What is Elkin Nunez's NPI number?
- Elkin Nunez's National Provider Identifier (NPI) is 1891973780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elkin Nunez's specialty?
- Elkin Nunez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elkin Nunez located?
- Elkin Nunez's practice location on file with NPPES is 435 South St, Morristown, NJ 07960-6422.
- What is Elkin Nunez's phone number?
- The practice phone number listed in the NPPES registry for Elkin Nunez is (973) 971-5524.
- Does Elkin Nunez accept Medicare?
- Elkin Nunez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elkin Nunez's NPI active?
- Yes — Elkin Nunez's NPI (1891973780) is active in the NPPES registry as of the last update on 2019-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.