Rajiv Narayan Singh, MD
Gastroenterology Physician · Pueblo, CO
Rajiv Narayan Singh, MD is a gastroenterology physician with a practice address in Pueblo, Colorado, and NPI 1386138741, issued on Jun 19, 2018. Check the license (Colorado DR.0069555, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Rajiv Narayan Singh
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- DR.0069555 CO
TL.0007440 CO
Self-reported in NPPES; status is on the state search - Practice location
- 400 W 16TH St, Pueblo, CO 81003
- Phone
- (719) 584-4561
- Enumerated
- Jun 19, 2018
- Record last updated
- May 24, 2024
- Fax
- (719) 595-7589
- Medicare enrollment
- Enrolled (PECOS I20240604003082); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 334 in Colorado → Look up another NPI →
Also registered at 400 W 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Olanrewaju Adabale, MDInternal Medicine Physician1669113031
- Carson AgsaludPharmacist1770414203
- Marwan Ahmed, MDHospitalist Physician1487317632
- Vickie Ainsworth, OTROccupational Therapist1407131485
- Ammer Al-DairiStudent in an Organized Health Care Education/Training Program1477181352
Verify Rajiv Narayan Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0069555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average gastroenterology physician in 2024
173 Medicare Part D claims for 78 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Omeprazole53 claims
- Pantoprazole Sodium28 claims
- Peg-3350 And Electrolytes11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $895.98
11 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Parkview Ancillary Services CorporationPueblo, CO
- Poudre Valley Medical Group LLCColorado Springs, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rajiv Narayan Singh among 334 gastroenterology physician records in Colorado
Rajiv Narayan Singh, MD is one of 334 gastroenterology physician records with a practice address in Colorado. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 93% of them.
- NPI issued2018 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2018 · median 2003 among the 258 with a school on file
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Colorado
There are 334 gastroenterology physician records in Colorado.
All 334 in Colorado → Every provider in Pueblo → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Christopher Calcagno, D.O.Pueblo, CO 810031013178508
- Paula Dionisio, M.D.Pueblo, CO 810031669457263
- Henrique Fernandez, MDPueblo, CO 810031174770614
- William Murchison, MDPueblo, CO 810031417146846
- Lirio Polintan, MDPueblo, CO 810031437115409
- Maritza Proano, M.D.Pueblo, CO 810031194742676
- Charles Ruzkowski, MDPueblo, CO 810031669576757
- Nathan Vicknair, STUDENTPueblo, CO 810031376171298
Common questions
What is Rajiv Narayan Singh, MD's NPI number?
Rajiv Narayan Singh, MD's National Provider Identifier (NPI) is 1386138741, issued on Jun 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Rajiv Narayan Singh, MD located?
The NPPES record lists a practice address at 400 W 16TH St, Pueblo, CO, 81003. Phone: (719) 584-4561. Providers update this record themselves, so call before visiting.
How can I verify Rajiv Narayan Singh, MD's license?
NPPES lists Colorado license number DR.0069555, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rajiv Narayan Singh, MD prescribe under Medicare Part D?
In 2024, Rajiv Narayan Singh, MD had 173 Medicare Part D claims for 78 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.