Nathan Lambert, MD
NPI 1356361018 · Cardiovascular Disease Physician · Fishers, IN
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Lambert, MD is a Cardiovascular Disease Physician provider in Fishers, IN (NPI 1356361018).
Provider details
- NPI number
- 1356361018
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01069150A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
3,343 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 986 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 452 | $119 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 312 | $13 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 307 | $64 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 256 | $84 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 637 | 191 |
| Metoprolol Succinate | 563 | 158 |
| Apixabanbrand: Eliquis | 527 | 131 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 362 | 111 |
| Carvedilol | 360 | 105 |
| Losartan Potassium | 347 | 99 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$576 across 16 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
- 2006-07-19
- Last updated
- 2024-10-01
- Certified
- 2024-10-01
Frequently asked questions
- What is Nathan Lambert's NPI number?
- Nathan Lambert's National Provider Identifier (NPI) is 1356361018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Lambert's specialty?
- Nathan Lambert is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Lambert located?
- Nathan Lambert's practice location on file with NPPES is 13100 E 136th St, Fishers, IN 46037-9417.
- What is Nathan Lambert's phone number?
- The practice phone number listed in the NPPES registry for Nathan Lambert is (317) 678-3900.
- Does Nathan Lambert accept Medicare?
- Nathan Lambert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Lambert's NPI active?
- Yes — Nathan Lambert's NPI (1356361018) is active in the NPPES registry as of the last update on 2024-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.