Dr. Siri Ancha, MD
- Medicare services, 2022
- 138
- Part D claims, 2022
- 14
- Hospital affiliations
- 3
- Industry payments
- $601
- Medical groups
- 2
- Practice address
- 12855 N 40th Dr, Saint Louis, MO 63141
- Practice phone
- Call (314) 336-1130
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gateway Endoscopy Center
Saint Louis, Missouri
Find Dr. Ancha's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Siri Ancha is a general practice physician in Saint Louis, Missouri
Dr. Ancha practices at Gateway Endoscopy Center in Saint Louis, Missouri.
Dr. Ancha's NPI, 1700370863, was assigned on June 21, 2018. Dr. Ancha holds Missouri license 2020042128.
- NPI
- 1700370863NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870925746
- NPI enumeration date
- June 21, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 336-1130
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Siri Ancha practices at Gateway Endoscopy Center in Saint Louis, Missouri
Dr. Ancha's primary practice is Gateway Endoscopy Center, at 12855 N 40th Dr, Saint Louis, MO 63141 in Saint Louis County. The practice phone is (314) 336-1130.
- Gateway Endoscopy Center12855 N 40th Dr, Saint Louis, MO 63141 · Saint Louis CountyPhone(314) 336-1130
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Siri Ancha is affiliated with 6 sites of care and 2 medical groups
Dr. Ancha's primary practice is Gateway Endoscopy Center in Saint Louis, Missouri. Dr. Ancha is also affiliated with Missouri Baptist Medical Center. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Ancha to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Siri Ancha's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ancha practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gateway Endoscopy Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Siri Ancha is one of 124 general practice physicians in Missouri
General practice is Dr. Ancha's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Ancha is licensed in Missouri.
Specialties and state licenses
- General practice, MissouriPrimary
General practice physicians near Dr. Ancha
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Siri Ancha billed Medicare for 138 services in 2022
CMS data shows 138 Medicare services from Dr. Ancha across 4 procedure codes in 2022. Medicare paid $9,506 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ancha's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 402022: 138245%
Dr. Ancha compared with the Missouri median for general practice physicians, 2022
- Dr. Ancha
- Missouri median
- Medicare services
- 138vs 140Close to median
- Part D claims
- 14vs 10186% below
Medians across 122 general practice physicians in Missouri with Dmand AI profiles that report each measure.
Dr. Ancha's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Siri Ancha's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Ancha's median patient age at 58, with 63% women.
Dr. Ancha's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women63%
- Men36%
Source: Dmand AI Patient Panel Data
Dr. Siri Ancha wrote 14 Medicare Part D claims in 2022
In 2022, Dr. Ancha wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $19 in total drug cost. In 2021, CMS named 231 claims across 13 drugs.
Dr. Ancha's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 2312022: 1494%
Drugs named by CMS: 1 in 2022, 13 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Siri Ancha ranks in the 66th percentile for colonoscopy in Medicare
Dr. Ancha accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 55 procedures of colonoscopy by Dr. Ancha, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ancha ranks in Medicare procedure volume
- Colonoscopy
- 66th percentile55 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 62nd percentile46 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Siri Ancha received $601 in industry payments from 2024 to 2025
CMS Open Payments shows 8 general payments to Dr. Ancha from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $247.
General payments to Dr. Ancha by program year, 2024 to 2025
Companies that paid Dr. Ancha the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Siri Ancha's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Siri Ancha
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Siri Ancha's NPI number?
Dr. Siri Ancha's NPI number is 1700370863. It was assigned on June 21, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Siri Ancha?
Dr. Siri Ancha is a general practice physician in Saint Louis, Missouri. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Siri Ancha practice?
Dr. Ancha practices at 12855 N 40th Dr, Saint Louis, MO 63141. Dr. Ancha's primary practice is Gateway Endoscopy Center in Saint Louis, Missouri. Dmand AI also links Dr. Ancha to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Siri Ancha's office phone number?
The practice phone on file for Dr. Ancha is (314) 336-1130.
What is Dr. Siri Ancha's medical license number?
Dr. Ancha holds Missouri license 2020042128.
Which hospitals is Dr. Siri Ancha affiliated with?
Dr. Ancha is affiliated with Missouri Baptist Medical Center. Dmand AI links Dr. Ancha to 2 more hospitals.
What medical group is Dr. Siri Ancha part of?
Dr. Ancha is linked to WashU Medicine Psychiatry. Dmand AI links Dr. Ancha to 1 more medical group.
Does Dr. Siri Ancha accept Medicare?
Yes. CMS data shows Dr. Ancha billed Medicare for 138 services in 2022, and Dr. Ancha accepts Medicare assignment.
What services does Dr. Siri Ancha bill to Medicare?
In 2022, Dr. Ancha's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and office visit, established patient (99214).
What drugs does Dr. Siri Ancha prescribe most?
In 2022 Medicare Part D data, Dr. Ancha's most prescribed drugs by claims were Lisinopril.
Has Dr. Siri Ancha received payments from drug or device companies?
CMS Open Payments shows $601 in general payments to Dr. Ancha from 4 companies from 2024 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Siri Ancha been practicing?
Dr. Ancha graduated from medical school in 2018, 8 years ago.
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