Karen Klahr Miller, MD
Endocrinology, Diabetes & Metabolism Physician · Boston, MA
Karen Klahr Miller, MD is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1508831488, issued on Feb 22, 2006. Check the license (Massachusetts 80996, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Karen Klahr Miller
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 80996 MA
Self-reported in NPPES; status is on the state search - Practice location
- Zero Emerson Place, Boston, MA 02114
- Phone
- (617) 726-7948
- Enumerated
- Feb 22, 2006
- Record last updated
- Aug 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 3180123 MA
- Medicare enrollment
- Enrolled (PECOS I20080424000516); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 522 in Massachusetts → Look up another NPI →
Also registered at Zero Emerson Place
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Melissa Thomas, MD PHDEndocrinology, Diabetes & Metabolism Physician1093893299
- Nicholas Tritos, MDEndocrinology, Diabetes & Metabolism Physician1881641512
Verify Karen Klahr Miller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 80996Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
236 Medicare Part D claims for 34 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Testosterone56 claims
- Prednisone52 claims
- Levothyroxine Sodium35 claims
- Genotropin15 claims
- Humatrope12 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.
Industry payments in 2024: $22.18
1 payment: food and beverage; the largest payer was Organogenesis Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Massachusetts General Physicians Organization IncBoston, MA
- The General Hospital CorporationBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Klahr Miller among 522 endocrinology, diabetes & metabolism physician records in Massachusetts
Karen Klahr Miller, MD is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 52% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1992 · median 2002 among the 378 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts
There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.
All 522 in Massachusetts → Every provider in Boston → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Joseph Avruch, MDBoston, MA 021141851381941
- Giuseppe Barbesino, MDBoston, MA 021141366432635
- Enrico Cagliero, MDBoston, MA 021141700877347
- William Crowley, MDBoston, MA 021141417947599
- Marie Demay, MDBoston, MA 021141528058153
- Steven Grinspoon, MDBoston, MA 021141457342099
- Janet Hall, MDBoston, MA 021141548251002
- Anne Klibanski, MDBoston, MA 021141518958164
Common questions
What is Karen Klahr Miller, MD's NPI number?
Karen Klahr Miller, MD's National Provider Identifier (NPI) is 1508831488, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Klahr Miller, MD located?
The NPPES record lists a practice address at Zero Emerson Place, Boston, MA, 02114. Phone: (617) 726-7948. Providers update this record themselves, so call before visiting.
How can I verify Karen Klahr Miller, MD's license?
NPPES lists Massachusetts license number 80996, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Klahr Miller, MD prescribe under Medicare Part D?
In 2024, Karen Klahr Miller, MD had 236 Medicare Part D claims for 34 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.