Dr. Keith So, MD
- Part D claims, 2024
- 1,947
- Hospital affiliations
- 1
- Industry payments
- $19
- Medical group
- 1
- State license
- 1
- Practice address
- 3860 W Ogden Ave, Chicago, IL 60623
- Practice phone
- Call (312) 521-5006
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lawndale Christian Health Center
FQHC - Main Site · Chicago, Illinois
Find Dr. So'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. Keith So is an internist in Chicago, Illinois
Dr. So practices at Lawndale Christian Health Center in Chicago, Illinois.
Dr. So's NPI, 1437218682, was assigned on December 6, 2006. Dr. So holds Illinois license 036-102425.
- NPI
- 1437218682NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042212938
- NPI enumeration date
- December 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 521-5006
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Keith So practices at Lawndale Christian Health Center in Chicago, Illinois
Dr. So's primary practice is Lawndale Christian Health Center, at 3860 W Ogden Ave, Chicago, IL 60623 in Cook County. The practice phone is (312) 521-5006.
- Lawndale Christian Health Center3860 W Ogden Ave, Chicago, IL 60623 · Cook CountyPhone(312) 521-5006
Source: Dmand AI Affiliation Data
Dr. Keith So is affiliated with 2 sites of care and 1 medical group
Dr. So's primary practice is Lawndale Christian Health Center in Chicago, Illinois. Dr. So is also affiliated with Mount Sinai Hospital. The medical group on file is Lawndale Christian Health Center. Dr. So's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Keith So's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. So practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lawndale Christian Health Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Keith So is one of 5,652 internists in Illinois
Internal medicine is Dr. So's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. So is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. So
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. Keith So's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. So's median patient age at 67, with 47% women.
Dr. So's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women47%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Keith So wrote 1,947 Medicare Part D claims in 2024
In 2024, Dr. So wrote 1,947 Medicare Part D claims for 168 patients. 79% of them were for generic drugs. CMS names the drug for 1,440 of them, across 51 drugs with 11 or more claims each, at $148,252 in total drug cost. In 2023, CMS named 1,479 claims across 54 drugs.
Dr. So's Part D claims by kind of drug, 2024
- Generic1,543 claims79%
- Brand-name343 claims18%
- Other61 claims3%
Dr. So'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. So's Part D claims, 2024
- Opioids1%11 of 1,947 claims
- Antibiotics2%40 of 1,947 claims
- Antipsychotics, patients 65 and over1%27 of 1,947 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: 1,4792024: 1,4403%
Drugs named by CMS: 51 in 2024, 54 in 2023.
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
How Dr. Keith So takes part in Medicare
Dr. So accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Keith So received $19 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. So from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Organon LLC paid the most, $19.
Companies that paid Dr. So the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Keith So'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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)Medicare Part D Prescribers - by Provider (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) |
| 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. Keith So
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. Keith So's NPI number?
Dr. Keith So's NPI number is 1437218682. It was assigned on December 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Keith So?
Dr. Keith So is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Keith So practice?
Dr. So practices at 3860 W Ogden Ave, Chicago, IL 60623. Dr. So's primary practice is Lawndale Christian Health Center in Chicago, Illinois.
What is Dr. Keith So's office phone number?
The practice phone on file for Dr. So is (312) 521-5006.
What is Dr. Keith So's medical license number?
Dr. So holds Illinois license 036-102425.
Which hospitals is Dr. Keith So affiliated with?
Dr. So is affiliated with Mount Sinai Hospital.
What medical group is Dr. Keith So part of?
Dr. So is linked to Lawndale Christian Health Center.
Does Dr. Keith So accept Medicare?
Yes. CMS lists Dr. So as accepting Medicare assignment.
What drugs does Dr. Keith So prescribe most?
In 2024 Medicare Part D data, Dr. So's most prescribed drugs by claims were Atorvastatin Calcium, Hydrochlorothiazide and Metformin HCl.
Has Dr. Keith So received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. So from 1 company from 2023 to 2023. The largest total came from Organon LLC.
How long has Dr. Keith So been practicing?
Dr. So graduated from medical school in 1993, 33 years ago.
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