Dr. Sorawit Timothy Decha-Umphai, MD

  • Saint Louis, MO
  • Internist
NPI1902191141PAC ID1759688559
Medicare services, 2024
1,307
Medicare patients, 2024
436
Part D claims, 2024
12,554
Hospital affiliations
6
Industry payments
$9,312
Practice address
615 New Ballas Road, Saint Louis, MO 63141
Practice phone
Call (314) 251-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Hospital St. Louis

Hospital · Saint Louis, Missouri

See all 10 affiliations

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Dr. Sorawit Timothy Decha-Umphai is an internist in Saint Louis, Missouri

Dr. Decha-Umphai practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.

Dr. Decha-Umphai's NPI, 1902191141, was assigned on June 16, 2011. Dr. Decha-Umphai graduated from University of Tennessee, Hsc, College of Medicine in 2010. Dr. Decha-Umphai holds Indiana license 0175455A.

NPI and contact details
Medicare PAC ID
1759688559
NPI enumeration date
June 16, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(314) 251-6000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Sorawit Timothy Decha-Umphai practices at Mercy Hospital St. Louis in Saint Louis, Missouri

Dr. Decha-Umphai's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.

Source: Dmand AI Affiliation Data

Dr. Sorawit Timothy Decha-Umphai is affiliated with 8 sites of care and 2 medical groups

Dr. Decha-Umphai's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dr. Decha-Umphai is also affiliated with Barnes-Jewish Hospital. The medical group on file is Mercy Clinic East Communities. Dmand AI also links Dr. Decha-Umphai to 4 more hospitals, 1 home health agency, 1 hospice and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Decha-Umphai

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Sorawit Timothy Decha-Umphai's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Decha-Umphai practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mercy Hospital St. LouisAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sorawit Timothy Decha-Umphai is one of 2,114 internists in Missouri

Internal medicine is Dr. Decha-Umphai's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Decha-Umphai is licensed in Indiana.

Specialties and state licenses

  • Internal medicine, IndianaPrimaryLicense 0175455A · taxonomy 207R00000X

Internists near Dr. Decha-Umphai

Counts of internists 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. Sorawit Timothy Decha-Umphai billed Medicare for 1,307 services in 2024

CMS data shows 1,307 Medicare services from Dr. Decha-Umphai across 12 procedure codes in 2024, for 436 Medicare patients. Medicare paid $119,417 for them. Every service was in an office.

Medicare services, 20241,307
Medicare patients436
Paid by Medicare$119,417
Procedure codes12

Dr. Decha-Umphai's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7132024: 6667%
Other services
2023: 4542024: 4734%
Tests and treatments
2023: 652024: 8531%
Lab and pathology
2023: 532024: 8357%

Dr. Decha-Umphai compared with the Missouri median for internists, 2024

  • Dr. Decha-Umphai
  • Missouri median
Medicare services
1,307vs 5302.5 times
Medicare patients
436vs 2112.1 times
Part D claims
11,708vs 32536.0 times

Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.

Dr. Decha-Umphai's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Decha-Umphai

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Sorawit Timothy Decha-Umphai treated 436 Medicare patients in 2024, average age 76

CMS counts 436 Medicare patients who saw Dr. Decha-Umphai in 2024. The largest group is 65 to 74, with 201 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Decha-Umphai's median patient age at 70, with 44% women.

Medicare patients, 2024436
Average age76
Average risk score1.14

Dr. Decha-Umphai's Medicare patients by age, 2024

Dr. Decha-Umphai's Medicare patients by sex, 2024

  • Women20347%
  • Men23353%

Chronic conditions among Dr. Decha-Umphai's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure74%
  3. Arthritis48%
  4. Chronic kidney disease31%
  5. Ischemic heart disease25%
  6. Diabetes23%
  7. Mood disorders21%
  8. Anxiety19%

Share of Medicare patients with each condition. A patient can have several.

Dr. Decha-Umphai's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women44%
  • Men56%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Sorawit Timothy Decha-Umphai wrote 12,554 Medicare Part D claims in 2024

In 2024, Dr. Decha-Umphai wrote 12,554 Medicare Part D claims for 888 patients. 88% of them were for generic drugs. CMS names the drug for 11,708 of them, across 159 drugs with 11 or more claims each, at $1,026,577 in total drug cost. In 2023, CMS named 11,113 claims across 155 drugs.

Part D claims, 202412,554
Drugs named by CMS159
Total drug cost$1M
Part D patients888

Dr. Decha-Umphai's Part D claims by kind of drug, 2024

  • Generic10,988 claims88%
  • Brand-name1,488 claims12%
  • Other78 claims1%

Dr. Decha-Umphai's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Decha-Umphai's Part D claims, 2024

  • Opioids4%516 of 12,554 claims
  • Antibiotics2%256 of 12,554 claims
  • Antipsychotics, patients 65 and over0%39 of 12,554 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 11,1132024: 11,7085%

Drugs named by CMS: 159 in 2024, 155 in 2023.

See all prescribing by Dr. Decha-Umphai

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Sorawit Timothy Decha-Umphai offers telehealth to Medicare patients

Dr. Decha-Umphai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Decha-Umphai as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Sorawit Timothy Decha-Umphai received $9,312 in industry payments from 2017 to 2025

CMS Open Payments shows 556 general payments to Dr. Decha-Umphai from 48 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $1,869.

General payments to Dr. Decha-Umphai by program year, 2017 to 2025

General payments to Dr. Decha-Umphai by kind, 2017 to 2025

$9.3Kin total
  • Food and beverage$9,19399%
  • Education$1191%

Companies that paid Dr. Decha-Umphai the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Decha-Umphai

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Sorawit Timothy Decha-Umphai graduated from University of Tennessee, Hsc, College of Medicine

Dr. Decha-Umphai graduated from University of Tennessee, Hsc, College of Medicine in 2010.

  1. Medical schoolUniversity of Tennessee, Hsc, College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Sorawit Timothy Decha-Umphai's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Sorawit Timothy Decha-Umphai

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. Sorawit Timothy Decha-Umphai's NPI number?

Dr. Sorawit Timothy Decha-Umphai's NPI number is 1902191141. It was assigned on June 16, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Sorawit Timothy Decha-Umphai?

Dr. Sorawit Timothy Decha-Umphai is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Sorawit Timothy Decha-Umphai practice?

Dr. Decha-Umphai practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Decha-Umphai's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dmand AI also links Dr. Decha-Umphai to 4 hospitals, 1 home health agency, 1 hospice and 1 medical group.

What is Dr. Sorawit Timothy Decha-Umphai's office phone number?

The practice phone on file for Dr. Decha-Umphai is (314) 251-6000.

What is Dr. Sorawit Timothy Decha-Umphai's medical license number?

Dr. Decha-Umphai holds Indiana license 0175455A.

Which hospitals is Dr. Sorawit Timothy Decha-Umphai affiliated with?

Dr. Decha-Umphai practices at Mercy Hospital St. Louis in Saint Louis, Missouri. Dr. Decha-Umphai is also affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Decha-Umphai to 4 more hospitals.

What medical group is Dr. Sorawit Timothy Decha-Umphai part of?

Dr. Decha-Umphai is linked to Mercy Clinic East Communities. Dmand AI links Dr. Decha-Umphai to 1 more medical group.

Does Dr. Sorawit Timothy Decha-Umphai accept Medicare?

Yes. CMS data shows Dr. Decha-Umphai billed Medicare for 1,307 services in 2024, and Dr. Decha-Umphai accepts Medicare assignment.

Does Dr. Sorawit Timothy Decha-Umphai offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Decha-Umphai as offering telehealth services.

How many Medicare patients does Dr. Sorawit Timothy Decha-Umphai see?

CMS counts 436 Medicare patients who saw Dr. Decha-Umphai in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. Sorawit Timothy Decha-Umphai bill to Medicare?

In 2024, Dr. Decha-Umphai's most billed Medicare services were medicare service (G0439), office visit, established patient (99215) and office visit, established patient (99214).

Where did Dr. Sorawit Timothy Decha-Umphai go to medical school?

Dr. Decha-Umphai graduated from University of Tennessee, Hsc, College of Medicine in 2010.

What drugs does Dr. Sorawit Timothy Decha-Umphai prescribe most?

In 2024 Medicare Part D data, Dr. Decha-Umphai's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.

Has Dr. Sorawit Timothy Decha-Umphai received payments from drug or device companies?

CMS Open Payments shows $9,312 in general payments to Dr. Decha-Umphai from 48 companies from 2017 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Sorawit Timothy Decha-Umphai been practicing?

Dr. Decha-Umphai graduated from medical school in 2010, 16 years ago.

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