Nazanine Khairkhah, MD
NPI 1518937622 · Nephrology Physician · Greenwich, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nazanine Khairkhah, MD is a Nephrology Physician provider in Greenwich, CT (NPI 1518937622).
Provider details
- NPI number
- 1518937622
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 232715 (NY)
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
20 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
2,602 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 667 | $74 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 487 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 474 | $136 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 315 | $123 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 152 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 376 | 106 |
| Levothyroxine Sodium | 337 | 87 |
| Amlodipine Besylate | 259 | 64 |
| Metformin Hcl | 251 | 69 |
| Methylprednisolone | 209 | 129 |
| Rosuvastatin Calcium | 194 | 47 |
| Azithromycin | 186 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,853 across 176 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
- 2006-01-23
- Last updated
- 2019-12-17
- Certified
- 2019-12-17
Frequently asked questions
- What is Nazanine Khairkhah's NPI number?
- Nazanine Khairkhah's National Provider Identifier (NPI) is 1518937622, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nazanine Khairkhah's specialty?
- Nazanine Khairkhah is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Nazanine Khairkhah located?
- Nazanine Khairkhah's practice location on file with NPPES is 49 Lake Ave Ste 1b, Greenwich, CT 06830-4501.
- What is Nazanine Khairkhah's phone number?
- The practice phone number listed in the NPPES registry for Nazanine Khairkhah is (203) 869-2304.
- Does Nazanine Khairkhah accept Medicare?
- Nazanine Khairkhah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nazanine Khairkhah's NPI active?
- Yes — Nazanine Khairkhah's NPI (1518937622) is active in the NPPES registry as of the last update on 2019-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.