NPPES file of Aug 9, 2026

Karren Takamura, MD

Orthopaedic Hand Surgery Physician · Hunt Valley, MD

Karren Takamura, MD is an orthopaedic hand surgery physician with a practice address in Hunt Valley, Maryland, and NPI 1851786339, issued on Apr 1, 2015. Check the license (Maryland D0094958, as entered in NPPES) on the Maryland Board of Physicians; 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
1851786339
Name
Karren Takamura
Credential
MD
Primary taxonomy
Orthopaedic Hand Surgery Physician 207XS0106X
License number
D0094958 MD
Self-reported in NPPES; status is on the state search
Practice location
226 Schilling Cir Ste 170, Hunt Valley, MD 21031
Phone
(410) 448-6400
Enumerated
Apr 1, 2015
Record last updated
May 29, 2026
Fax
(410) 785-4840
Medicare enrollment
Enrolled (PECOS I20221011001507); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2015
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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Also registered at 226 Schilling Cir Ste 170

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Casey Friske, D.P.M.Podiatrist1902192156
  2. Christopher Guest, BA, RBTOccupational Therapist1730740721
  3. Christopher Langhammer, M.D., PH.D.Orthopaedic Hand Surgery Physician1699031351
  4. Haley Thommen, PA-CPhysician Assistant1336790021

Verify Karren Takamura in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0094958
    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 Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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87% fewer Medicare Part D claims than the average orthopaedic hand surgery physician in 2024

25 Medicare Part D claims for 17 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Karren Takamura25
  2. Specialty average186

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.

Industry payments in 2024: $2,447.91

23 payments; by number, the most common kind was food and beverage; the largest payer was Supreme Orthopedic Systems, LLC. The 1,819 providers of this specialty with any payment received $5,529.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karren Takamura$2,447.91
  2. Specialty average$5,529.86

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 4 group practices

  1. Suburban/nrh Medical Rehabilitation IncBethesda, MD
  2. University OF Maryland Community Medical Group IncGlen Burnie, MD
  3. University OF Maryland Orthopaedic Associates PABaltimore, MD
  4. University OF Maryland Orthopaedic Trauma Associates, P.A.Baltimore, MD

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

Karren Takamura among 60 orthopaedic hand surgery physician records in Maryland

Karren Takamura, MD is one of 60 orthopaedic hand surgery physician records with a practice address in Maryland. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 85% of them.

  • NPI issued2015 · 85% of these records are older, 10% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 87% of these records are
  • Graduated2015 · median 1997 among the 52 with a school on file
  • Record last updated2026 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Hand Surgery Physician providers in Maryland

There are 60 orthopaedic hand surgery physician records in Maryland.

The 8 orthopaedic hand surgery physician records with the nearest ZIP codes

  1. Christopher Langhammer, M.D., PH.D.Hunt Valley, MD 210311699031351
  2. Neven Popovic, M.D.Edgewater, MD 210371821211533
  3. Charles Rogers, M. D,Edgewater, MD 210371982945408
  4. Max Hamaker, MDGlen Burnie, MD 210611033641238
  5. Terrence O'Donovan, MDGlen Burnie, MD 210611922080159
  6. Christopher Forthman, M.D.Lutherville, MD 210931124059779
  7. Peter Innis, M.D.Lutherville, MD 210931730142464
  8. John Moore, M.D.Lutherville, MD 210931487688347

Common questions

What is Karren Takamura, MD's NPI number?

Karren Takamura, MD's National Provider Identifier (NPI) is 1851786339, issued on Apr 1, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Karren Takamura, MD located?

The NPPES record lists a practice address at 226 Schilling Cir Ste 170, Hunt Valley, MD, 21031. Phone: (410) 448-6400. Providers update this record themselves, so call before visiting.

How can I verify Karren Takamura, MD's license?

NPPES lists Maryland license number D0094958, 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 Karren Takamura, MD prescribe under Medicare Part D?

In 2024, Karren Takamura, MD had 25 Medicare Part D claims for 17 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. 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.