Hardeep Grewal, MD
NPI 1669432118 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hardeep Grewal, MD is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1669432118).
Provider details
- NPI number
- 1669432118
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34469 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,214 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,118 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 776 | $75 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 296 | $165 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 24 | $125 |
Typical Medicare-allowed amounts for these services range $75–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefazolin Sodium | 41 | — |
| Vancomycin Hcl | 41 | 15 |
| Cefepime Hcl | 30 | — |
| Daptomycin | 28 | — |
| Ampicillin Sodium | 25 | — |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 19 | — |
| Meropenem | 18 | — |
| Ertapenem Sodiumbrand: Ertapenem | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-27
- Last updated
- 2008-11-07
Frequently asked questions
- What is Hardeep Grewal's NPI number?
- Hardeep Grewal's National Provider Identifier (NPI) is 1669432118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hardeep Grewal's specialty?
- Hardeep Grewal is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hardeep Grewal located?
- Hardeep Grewal's practice location on file with NPPES is 4530 E Muirwood Dr, Phoenix, AZ 85048-7639.
- What is Hardeep Grewal's phone number?
- The practice phone number listed in the NPPES registry for Hardeep Grewal is (480) 961-2303.
- Does Hardeep Grewal accept Medicare?
- Hardeep Grewal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hardeep Grewal's NPI active?
- Yes — Hardeep Grewal's NPI (1669432118) is active in the NPPES registry as of the last update on 2008-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.