Shahzad Siddique, MD
NPI 1912171034 · Hematology & Oncology Physician · Carmichael, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shahzad Siddique, MD is a Hematology & Oncology Physician provider in Carmichael, CA (NPI 1912171034).
Provider details
- NPI number
- 1912171034
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD035427 (DC)
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
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
1,341 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 | 412 | $141 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 160 | $100 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 135 | $18 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 96 | $151 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 91 | $73 |
| Collection of Blood Sample From Implanted Device36591 | 68 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 164 | 43 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 151 | 32 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 64 | — |
| Tamoxifen Citrate | 50 | — |
| Ondansetron Hcl | 43 | 30 |
| Letrozole | 42 | — |
| Potassium Chloride | 41 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$228 across 3 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
- 2008-04-18
- Last updated
- 2008-04-18
Frequently asked questions
- What is Shahzad Siddique's NPI number?
- Shahzad Siddique's National Provider Identifier (NPI) is 1912171034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shahzad Siddique's specialty?
- Shahzad Siddique is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Shahzad Siddique located?
- Shahzad Siddique's practice location on file with NPPES is 6555 Coyle Ave, Carmichael, CA 95608-0302.
- What is Shahzad Siddique's phone number?
- The practice phone number listed in the NPPES registry for Shahzad Siddique is (916) 536-3540.
- Does Shahzad Siddique accept Medicare?
- Shahzad Siddique is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shahzad Siddique's NPI active?
- Yes — Shahzad Siddique's NPI (1912171034) is active in the NPPES registry as of the last update on 2008-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.