Chemanoor Zachariah, MD
NPI 1780655951 · Internal Medicine Physician · Tracy, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chemanoor Zachariah, MD is a Internal Medicine Physician provider in Tracy, CA (NPI 1780655951).
Provider details
- NPI number
- 1780655951
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A30629 (CA)
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
851 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 | 644 | $130 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 97 | $183 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 70 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 22 | $131 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 18 | $166 |
Typical Medicare-allowed amounts for these services range $15–$183 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 214 | 64 |
| Gabapentin | 114 | 36 |
| Levothyroxine Sodium | 113 | 33 |
| Tamsulosin Hcl | 100 | 23 |
| Rosuvastatin Calcium | 99 | 34 |
| Pantoprazole Sodium | 98 | 24 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$142 across 7 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
- 2006-01-27
- Last updated
- 2016-11-16
Frequently asked questions
- What is Chemanoor Zachariah's NPI number?
- Chemanoor Zachariah's National Provider Identifier (NPI) is 1780655951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chemanoor Zachariah's specialty?
- Chemanoor Zachariah is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chemanoor Zachariah located?
- Chemanoor Zachariah's practice location on file with NPPES is 130 W 11th St, Tracy, CA 95376-3935.
- What is Chemanoor Zachariah's phone number?
- The practice phone number listed in the NPPES registry for Chemanoor Zachariah is (209) 833-0886.
- Does Chemanoor Zachariah accept Medicare?
- Chemanoor Zachariah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chemanoor Zachariah's NPI active?
- Yes — Chemanoor Zachariah's NPI (1780655951) is active in the NPPES registry as of the last update on 2016-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.