Dr. Keith So, MD

  • Chicago, IL
  • Internist
NPI1437218682PAC ID0042212938
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Lawndale Christian Health Center

FQHC - Main Site · Chicago, Illinois

See all 3 affiliations

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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 and contact details
Medicare PAC ID
0042212938
NPI enumeration date
December 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(312) 521-5006
Professional email
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Personal email
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Mobile number
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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 Center
    3860 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).

See all 3 affiliations for Dr. So

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.

EHR by site
SiteEHR vendor and product
Lawndale Christian Health CenterAvailable with a free account
+1 more affiliated siteAvailable 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, IllinoisPrimaryLicense 036-102425 · taxonomy 207R00000X

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.

Part D claims, 20241,947
Drugs named by CMS51
Total drug cost$148,252
Part D patients168

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.

See all prescribing by Dr. So

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.

See all payments to Dr. So

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

Sources for Dr. Keith So'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 patients and the all-payer patient panelDmand AI Patient Panel Data
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)
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. 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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