Katherine Clair Shaw, MD
Internal Medicine Physician · Baltimore, MD
Katherine Clair Shaw, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1194014563, issued on Apr 6, 2011. Check the license (Maryland 8270, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Katherine Clair Shaw
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 8270 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1000 E Eager St, Baltimore, MD 21202
- Phone
- (410) 522-9800
- Enumerated
- Apr 6, 2011
- Record last updated
- May 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150903000100); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 1000 E Eager St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lenora Caldwell, DDSDentist1073761607
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Verify Katherine Clair Shaw in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license 8270Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,499 Medicare Part D claims for 102 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 43 claims were for opioids.
Most prescribed
- Suboxone81 claims
- Atorvastatin Calcium79 claims
- Gabapentin61 claims
- Amlodipine Besylate48 claims
- Albuterol Sulfate Hfa43 claims
- Rosuvastatin Calcium41 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
- Baltimore Medical System, Inc.Baltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Clair Shaw among 3,904 internal medicine physician records in Maryland
Katherine Clair Shaw, MD is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 67% of them.
- NPI issued2011 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · median 2003 among the 2,445 with a school on file
- Record last updated2018 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Colleen Leavitt, MDBaltimore, MD 212021528042959
Common questions
What is Katherine Clair Shaw, MD's NPI number?
Katherine Clair Shaw, MD's National Provider Identifier (NPI) is 1194014563, issued on Apr 6, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Clair Shaw, MD located?
The NPPES record lists a practice address at 1000 E Eager St, Baltimore, MD, 21202. Phone: (410) 522-9800. Providers update this record themselves, so call before visiting.
How can I verify Katherine Clair Shaw, MD's license?
NPPES lists Maryland license number 8270, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Clair Shaw, MD prescribe under Medicare Part D?
In 2024, Katherine Clair Shaw, MD had 1,499 Medicare Part D claims for 102 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.