NPPES file of Aug 9, 2026

Jenny So, MD

Internal Medicine Physician · Yorktown Heights, NY

Jenny So, MD is an internal medicine physician with a practice address in Yorktown Heights, New York, and NPI 1942255427, issued on May 23, 2006. Check the license (New York 201297, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942255427
Name
Jenny So
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
201297 NY
Self-reported in NPPES; status is on the state search
Practice location
Mount Kisco Medical Group PC, Yorktown Heights, NY 10598
Phone
(914) 241-1050
Enumerated
May 23, 2006
Record last updated
Aug 6, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(914) 962-0527
Medicaid ID
01744985 NY
Medicare enrollment
Enrolled (PECOS I20070109000402); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 1994
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Jenny So in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 201297
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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60% more Medicare Part D claims than the average internal medicine physician in 2024

5,083 Medicare Part D claims for 581 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 36 claims were for opioids.

  1. Jenny So5,083
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium640 claims
  2. Levothyroxine Sodium227 claims
  3. Amlodipine Besylate208 claims
  4. Losartan Potassium194 claims
  5. Simvastatin189 claims
  6. Zolpidem Tartrate169 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.

Bills Medicare through one group practice

  1. Optum Medical Care PCMount Kisco, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jenny So among 12,067 internal medicine physician records in New York

Jenny So, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1994 · median 2002 among the 7,221 with a school on file
  • Record last updated2016 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 internal medicine physician records list a practice address in Yorktown Heights

They are 21 of the 635 NPPES records with a practice address in Yorktown Heights, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Stanford Bennett, MDYorktown Heights, NY 105981871586354
  2. Mark Brauning, MDYorktown Heights, NY 105981750312393
  3. Richard Cho, D.O.Yorktown Heights, NY 105981902867773
  4. Michael Daniels, MDYorktown Heights, NY 105981255440111
  5. David Ennis, MDYorktown Heights, NY 105981306839592
  6. Robert Grimshaw, Jr., M.D., F.A.C.P.Yorktown Hts, NY 105981033111265
  7. Madhavi Kancharla, M.D.Yorktown Heights, NY 105981073629622
  8. Richard Klein, M.D.Yorktown Heights, NY 105981376504142

Common questions

What is Jenny So, MD's NPI number?

Jenny So, MD's National Provider Identifier (NPI) is 1942255427, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jenny So, MD located?

The NPPES record lists a practice address at Mount Kisco Medical Group PC, Yorktown Heights, NY, 10598. Phone: (914) 241-1050. Providers update this record themselves, so call before visiting.

How can I verify Jenny So, MD's license?

NPPES lists New York license number 201297, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jenny So, MD prescribe under Medicare Part D?

In 2024, Jenny So, MD had 5,083 Medicare Part D claims for 581 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.