Charanbir Singh, MD, INC
NPI 1598921355 · Internal Medicine Physician · Turlock, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charanbir Singh, MD, INC is a Internal Medicine Physician provider in Turlock, CA (NPI 1598921355).
Provider details
- NPI number
- 1598921355
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, INC
- Sex
- Male
- Sole proprietor
- Yes
- License
- A115218 (CA)
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
17 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
1,144 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 603 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 280 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 213 | $113 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 32 | $81 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 16 | $171 |
Typical Medicare-allowed amounts for these services range $77–$171 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levofloxacin | 58 | 57 |
| Atorvastatin Calcium | 42 | 31 |
| Pantoprazole Sodium | 38 | 38 |
| Apixabanbrand: Eliquis | 37 | 25 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 30 | 29 |
| Furosemide | 30 | 26 |
| Prednisone | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$47 across 2 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
- 2008-07-31
- Last updated
- 2026-05-19
- Certified
- 2026-05-19
Frequently asked questions
- What is Charanbir Singh's NPI number?
- Charanbir Singh's National Provider Identifier (NPI) is 1598921355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charanbir Singh's specialty?
- Charanbir Singh is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charanbir Singh located?
- Charanbir Singh's practice location on file with NPPES is 825 Delbon Ave, Turlock, CA 95382-2016.
- What is Charanbir Singh's phone number?
- The practice phone number listed in the NPPES registry for Charanbir Singh is (209) 667-4200.
- Does Charanbir Singh accept Medicare?
- Charanbir Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charanbir Singh's NPI active?
- Yes — Charanbir Singh's NPI (1598921355) is active in the NPPES registry as of the last update on 2026-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.