Nitin Joshi, M.D.
NPI 1154541423 · Hematology (Internal Medicine) Physician · Castro Valley, CA
Enrolled with Medicare as Practitioner - Hematology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nitin Joshi, M.D. is a Hematology (Internal Medicine) Physician provider in Castro Valley, CA (NPI 1154541423).
Provider details
- NPI number
- 1154541423
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA08210300 (NJ)
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
3,786 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 | 1,200 | $153 |
| 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 | 422 | $19 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 380 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 329 | $109 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 227 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamoxifen Citrate | 90 | 35 |
| Apixabanbrand: Eliquis | 74 | 27 |
| Mirtazapine | 63 | 32 |
| Gabapentin | 53 | 28 |
| Rivaroxabanbrand: Xarelto | 37 | 15 |
| Letrozole | 33 | 15 |
| Hydroxyurea | 28 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$180 across 6 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
- 2007-04-27
- Last updated
- 2024-08-08
- Certified
- 2024-08-08
Frequently asked questions
- What is Nitin Joshi's NPI number?
- Nitin Joshi's National Provider Identifier (NPI) is 1154541423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nitin Joshi's specialty?
- Nitin Joshi is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Nitin Joshi located?
- Nitin Joshi's practice location on file with NPPES is 20055 Lake Chabot Rd Ste 130, Castro Valley, CA 94546-5332.
- What is Nitin Joshi's phone number?
- The practice phone number listed in the NPPES registry for Nitin Joshi is (510) 888-0657.
- Does Nitin Joshi accept Medicare?
- Nitin Joshi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nitin Joshi's NPI active?
- Yes — Nitin Joshi's NPI (1154541423) is active in the NPPES registry as of the last update on 2024-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.