NPPES file of Aug 9, 2026

Katherine Elizabeth Klein, MD

Family Medicine Physician · Denver, CO

Katherine Elizabeth Klein, MD is a family medicine physician with a practice address in Denver, Colorado, and NPI 1205330974, issued on Mar 19, 2018. Check the license (Colorado DR.0064087, as entered in NPPES) on the Colorado Medical Board; 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
1205330974
Name
Katherine Elizabeth Klein
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
DR.0064087 CO
Self-reported in NPPES; status is on the state search
Practice location
400 S Colorado Blvd Ste 900, Denver, CO 80246
Phone
(303) 318-3520
Enumerated
Mar 19, 2018
Record last updated
Jun 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20211008000636); accepts Medicare assignment
Medical or professional school
Florida International Univ, College Of Medicine, 2018
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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Also registered at 400 S Colorado Blvd Ste 900

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

  1. Gary Cantrell, D.OFamily Medicine Physician1245686674
  2. Rachel Ohlmacher, FNP-BCFamily Nurse Practitioner1487102539

Verify Katherine Elizabeth Klein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0064087
    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 Colorado license search

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43% fewer Medicare Part D claims than the average family medicine physician in 2024

2,003 Medicare Part D claims for 201 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 23 claims were for opioids.

  1. Katherine Klein2,003
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium163 claims
  2. Levothyroxine Sodium123 claims
  3. Rosuvastatin Calcium99 claims
  4. Lisinopril91 claims
  5. Amlodipine Besylate75 claims
  6. Losartan Potassium72 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: $45.09

2 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Klein$45.09
  2. Specialty average$902.55

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

  1. Intermountain Medical Group Denver LLCBroomfield, CO
  2. Uptown Community Health Center IncDenver, CO

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

Katherine Elizabeth Klein among 3,563 family medicine physician records in Colorado

Katherine Elizabeth Klein, MD is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.

  • NPI issued2018 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2018 · median 2008 among the 2,077 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

457 family medicine physician records list a practice address in Denver

They are 457 of the 25,068 NPPES records with a practice address in Denver, and 3,563 family medicine physician records in Colorado.

The 8 family medicine physician records with the nearest ZIP codes

  1. Sonya Black, MDDenver, CO 802461568592327
  2. Gary Cantrell, D.ODenver, CO 802461245686674
  3. Mary Catherine Husney, MDDenver, CO 802461588607816
  4. John Kelley, M.D.Denver, CO 802461538549720
  5. Flory Kreutter, MDDenver, CO 802461538115134
  6. David Severance, M.DGlendale, CO 802461740257658
  7. Johnny Shen, M.D.Denver, CO 802461881988541
  8. Joshua Solot, DOGlendale, CO 802461043366727

Common questions

What is Katherine Elizabeth Klein, MD's NPI number?

Katherine Elizabeth Klein, MD's National Provider Identifier (NPI) is 1205330974, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Elizabeth Klein, MD located?

The NPPES record lists a practice address at 400 S Colorado Blvd Ste 900, Denver, CO, 80246. Phone: (303) 318-3520. Providers update this record themselves, so call before visiting.

How can I verify Katherine Elizabeth Klein, MD's license?

NPPES lists Colorado license number DR.0064087, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Elizabeth Klein, MD prescribe under Medicare Part D?

In 2024, Katherine Elizabeth Klein, MD had 2,003 Medicare Part D claims for 201 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.