NPPES file of Aug 9, 2026

Hossein Maymani, MD

Hematology & Oncology Physician · Longmont, CO

Hossein Maymani, MD is a hematology & oncology physician with a practice address in Longmont, Colorado, and NPI 1023303096, issued on Jun 17, 2011. Check the license (Colorado DR.0059632, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023303096
Name
Hossein Maymani
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
DR.0059632 CO
28613 OK
Self-reported in NPPES; status is on the state search
Practice location
1760 E Ken Pratt Blvd Ste 302, Longmont, CO 80504
Phone
(303) 684-1900
Enumerated
Jun 17, 2011
Record last updated
Jun 1, 2023
Fax
(303) 684-1925
Medicaid ID
9000158806 CO
Medicare enrollment
Enrolled (PECOS I20180612000996); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 2011
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.
Download card Updates feed

Also registered at 1760 E Ken Pratt Blvd Ste 302

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

  1. Shelley Albright, RNOncology Registered Nurse1629938378
  2. John Barnett, MDHematology & Oncology Physician1952341273
  3. Kyle BoxRegistered Nurse1780516476
  4. Kelly Casteel, MDHematology & Oncology Physician1740536291
  5. Emily Cause, RNOncology Registered Nurse1851265177
  6. Teresa D'Angelo, MSN, RNRegistered Nurse1023958030

Verify Hossein Maymani in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0059632
    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

2% more Medicare Part D claims than the average hematology & oncology physician in 2024

897 Medicare Part D claims for 192 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 20 claims were for opioids.

  1. Hossein Maymani897
  2. Specialty average877

Most prescribed

  1. Prednisone86 claims
  2. Abiraterone Acetate84 claims
  3. Eliquis65 claims
  4. Hydroxyurea62 claims
  5. Prochlorperazine Maleate40 claims
  6. Venclexta34 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.

The MIPS final score for 2023 (Medicare payment program): 84.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score66.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Rocky Mountain Cancer Centers LLPLongmont, CO

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

Hossein Maymani among 212 hematology & oncology physician records in Colorado

Hossein Maymani, MD is one of 212 hematology & oncology physician records with a practice address in Colorado. 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 77% of them.

  • NPI issued2011 · 77% of these records are older, 21% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2011 · median 2004 among the 150 with a school on file
  • Record last updated2023 · 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 207RH0003X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Colorado

There are 212 hematology & oncology physician records in Colorado.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. John Barnett, MDLongmont, CO 805041952341273
  2. Kelly Casteel, MDLongmont, CO 805041740536291
  3. Sara Robinson, M.D.Longmont, CO 805041124293535
  4. Robert Fisher, MDLongmont, CO 805011992789598
  5. Michael Johnson, MDLongmont, CO 805011841274495
  6. Farrah Datko, MDFort Collins, CO 805281760697171
  7. Lakshmi Kolandra, D.O.Fort Collins, CO 805281396271052
  8. Robert Marschke, M.D.Fort Collins, CO 805281669455754

Common questions

What is Hossein Maymani, MD's NPI number?

Hossein Maymani, MD's National Provider Identifier (NPI) is 1023303096, issued on Jun 17, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Hossein Maymani, MD located?

The NPPES record lists a practice address at 1760 E Ken Pratt Blvd Ste 302, Longmont, CO, 80504. Phone: (303) 684-1900. Providers update this record themselves, so call before visiting.

How can I verify Hossein Maymani, MD's license?

NPPES lists Colorado license number DR.0059632, 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 Hossein Maymani, MD prescribe under Medicare Part D?

In 2024, Hossein Maymani, MD had 897 Medicare Part D claims for 192 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Hossein Maymani, MD's MIPS final score?

The 2023 MIPS final score is 84.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.