Sivakumar Munnangi, M.D.
NPI 1447432463 · Gastroenterology Physician · Merced, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sivakumar Munnangi, M.D. is a Gastroenterology Physician provider in Merced, CA (NPI 1447432463).
Provider details
- NPI number
- 1447432463
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A052645 (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
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
2,855 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 809 | $88 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 621 | $162 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 304 | $90 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 286 | $124 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 195 | $234 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 508 | 479 |
| Omeprazole | 335 | 159 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 282 | 263 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 218 | 204 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 183 | 177 |
| Famotidine | 124 | 56 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,502 across 69 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
- 2007-11-30
- Last updated
- 2015-08-27
Frequently asked questions
- What is Sivakumar Munnangi's NPI number?
- Sivakumar Munnangi's National Provider Identifier (NPI) is 1447432463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sivakumar Munnangi's specialty?
- Sivakumar Munnangi is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Sivakumar Munnangi located?
- Sivakumar Munnangi's practice location on file with NPPES is 386 W Olive Ave, Merced, CA 95348-3137.
- What is Sivakumar Munnangi's phone number?
- The practice phone number listed in the NPPES registry for Sivakumar Munnangi is (209) 724-9900.
- Does Sivakumar Munnangi accept Medicare?
- Sivakumar Munnangi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sivakumar Munnangi's NPI active?
- Yes — Sivakumar Munnangi's NPI (1447432463) is active in the NPPES registry as of the last update on 2015-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.