Dr. Hossein Maymani, MD

  • Longmont, CO
  • Hematologist and oncologist
NPI1023303096PAC ID3678793692
Medicare services, 2024
55,548
Medicare patients, 2024
478
Part D claims, 2024
897
Publications
7
Clinical trials
1
Practice address
2030 Mountain View Ave, Longmont, CO 80501
Practice phone
Call (303) 682-0375
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Longmont Surgery Center, LLC

Longmont, Colorado

See all 7 affiliations

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Dr. Hossein Maymani is a hematologist and oncologist in Longmont, Colorado

Dr. Maymani practices at Longmont Surgery Center, LLC in Longmont, Colorado.

Dr. Maymani's NPI, 1023303096, was assigned on June 17, 2011. Dr. Maymani graduated from University of North Carolina at Chapel Hill School of Medicine in 2011. Dr. Maymani holds Colorado license DR.0059632.

NPI and contact details
Medicare PAC ID
3678793692
NPI enumeration date
June 17, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(303) 682-0375
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
41
Medical school graduation
2011

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Hossein Maymani practices at Longmont Surgery Center, LLC in Longmont, Colorado

Dr. Maymani's primary practice is Longmont Surgery Center, LLC, at 2030 Mountain View Ave, Longmont, CO 80501 in Boulder County. The practice phone is (303) 682-0375.

  • Longmont Surgery Center, LLC
    2030 Mountain View Ave, Longmont, CO 80501 · Boulder CountyPhone(303) 682-0375

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Hossein Maymani is affiliated with 6 sites of care and 1 medical group

Dr. Maymani's primary practice is Longmont Surgery Center, LLC in Longmont, Colorado. Dr. Maymani is also affiliated with UCHealth Longs Peak Hospital. The medical group on file is Rocky Mountain Cancer Centers. Dmand AI also links Dr. Maymani to 3 more hospitals and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Maymani

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Hossein Maymani's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maymani practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Longmont Surgery Center, LLCAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Hossein Maymani is one of 179 hematologists and oncologists in Colorado

Hematology and oncology is Dr. Maymani's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Maymani is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Maymani's licenses on file in 2 states: Colorado and Oklahoma.

Specialties and state licenses

  • Hematology and oncology, ColoradoPrimaryLicense DR.0059632 · taxonomy 207RH0003X
  • Internal medicine, OklahomaLicense 28613 · taxonomy 207R00000X

Hematologists and oncologists near Dr. Maymani

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

179hematologists and oncologists in Colorado
4hematologists and oncologists in Longmont

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Hossein Maymani billed Medicare for 55,548 services in 2024

CMS data shows 55,548 Medicare services from Dr. Maymani across 66 procedure codes in 2024, for 478 Medicare patients. Medicare paid $827,812 for them. Every service was in an office.

Medicare services, 202455,548
Medicare patients478
Paid by Medicare$827,812
Procedure codes66

Dr. Maymani's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 44,8202024: 47,1405%
Lab and pathology
2023: 4,5472024: 4,6121%
Tests and treatments
2023: 1,4102024: 1,4795%
Surgery
2023: 1,2232024: 1,2573%
Office and hospital visits
2023: 6692024: 672No change
Other services
2023: 1462024: 388166%
Imaging
2023: 122024: 0100%

Dr. Maymani compared with the Colorado median for hematologists and oncologists, 2024

  • Dr. Maymani
  • Colorado median
Medicare services
55,548vs 62489.0 times
Medicare patients
478vs 24298% above
Part D claims
707vs 50341% above

Medians across 181 hematologists and oncologists in Colorado with Dmand AI profiles that report each measure.

Dr. Maymani's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Maymani

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Maymani and other hematologists and oncologists in Colorado.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Hossein Maymani treated 478 Medicare patients in 2024, average age 74

CMS counts 478 Medicare patients who saw Dr. Maymani in 2024. The largest group is 65 to 74, with 224 patients. 60% of them have high blood pressure, and 59% have high cholesterol. 10% are also on Medicaid. Their average risk score is 2.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Maymani's median patient age at 72, with 51% women.

Medicare patients, 2024478
Average age74
Average risk score2.06
Also on Medicaid10%

Dr. Maymani's Medicare patients by age, 2024

Dr. Maymani's Medicare patients by sex, 2024

  • Women22647%
  • Men25253%

Chronic conditions among Dr. Maymani's Medicare patients, 2024

  1. High blood pressure60%
  2. High cholesterol59%
  3. Cancer53%
  4. Arthritis43%
  5. Ischemic heart disease33%
  6. Chronic kidney disease27%
  7. Mood disorders27%
  8. Depression24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Maymani's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women51%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Hossein Maymani wrote 897 Medicare Part D claims in 2024

In 2024, Dr. Maymani wrote 897 Medicare Part D claims for 192 patients. 77% of them were for generic drugs. CMS names the drug for 707 of them, across 26 drugs with 11 or more claims each, at $1,336,117 in total drug cost. In 2023, CMS named 593 claims across 23 drugs.

Part D claims, 2024897
Drugs named by CMS26
Total drug cost$1.3M
Part D patients192

Dr. Maymani's Part D claims by kind of drug, 2024

  • Generic690 claims77%
  • Brand-name207 claims23%

Dr. Maymani's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Maymani's Part D claims, 2024

  • Opioids2%20 of 897 claims
  • Antibiotics3%29 of 897 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5932024: 70719%

Drugs named by CMS: 26 in 2024, 23 in 2023.

See all prescribing by Dr. Maymani

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Hossein Maymani scored 73 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 73 out of 100 for Dr. Maymani for performance year 2024, reported through an alternative payment model (APM). Dr. Maymani accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Maymani as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Maymani's MIPS scores, performance year 2024

  • 73of 100Final score
  • 59.9of 100Quality
  • 72of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Hossein Maymani has 7 publications on record

Dmand AI links 7 papers to Dr. Maymani, published from 2014 to 2019. 2014 was the busiest year, with 2. Dr. Maymani's most frequent co-authors are Mohamad Ali Cherry, MD, Borje S. Andersson, MD, PhD and Qaiser Bashir, MD.

Papers7
Years published2014 to 2019

Dr. Maymani's papers by year, 2014 to 2019

Dr. Maymani's most frequent co-authors

Recent publications by Dr. Maymani

See all 7 publications and co-authors

See who Dr. Maymani researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Maymani works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Hossein Maymani has worked on 1 clinical trial

Dmand AI links Dr. Maymani to 1 clinical trial. Conditions studied include Carcinoma, Non-Small-Cell Lung and Carcinoma, Bronchogenic.

Conditions in Dr. Maymani's trials

  • Carcinoma, Non-Small-Cell Lung
  • Carcinoma, Bronchogenic

Investigators on the most trials with Dr. Maymani

Recent clinical trials with Dr. Maymani

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Hossein Maymani received $205 in industry payments from 2016 to 2025

CMS Open Payments shows 10 general payments to Dr. Maymani from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Medtronic, Inc. paid the most, $62.

General payments to Dr. Maymani by program year, 2016 to 2025

General payments to Dr. Maymani by kind, 2016 to 2025

$205in total
  • Food and beverage$15576%
  • Education$4924%

Companies that paid Dr. Maymani the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Maymani

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Hossein Maymani graduated from University of North Carolina at Chapel Hill School of Medicine

Dr. Maymani graduated from University of North Carolina at Chapel Hill School of Medicine in 2011.

  1. Medical schoolUniversity of North Carolina at Chapel Hill School of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Hossein Maymani's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Hossein Maymani

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Hossein Maymani's NPI number?

Dr. Hossein Maymani's NPI number is 1023303096. It was assigned on June 17, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Hossein Maymani?

Dr. Hossein Maymani is a hematologist and oncologist in Longmont, Colorado. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Hossein Maymani practice?

Dr. Maymani practices at 2030 Mountain View Ave, Longmont, CO 80501. Dr. Maymani's primary practice is Longmont Surgery Center, LLC in Longmont, Colorado. Dmand AI also links Dr. Maymani to 3 hospitals and 1 group practice or clinic.

What is Dr. Hossein Maymani's office phone number?

The practice phone on file for Dr. Maymani is (303) 682-0375.

What is Dr. Hossein Maymani's medical license number?

Dr. Maymani holds Colorado license DR.0059632, one of the licenses on file in 2 states.

Which states has Dr. Hossein Maymani been licensed in?

Dmand AI has state licenses on file for Dr. Maymani in Colorado and Oklahoma.

Which hospitals is Dr. Hossein Maymani affiliated with?

Dr. Maymani is affiliated with UCHealth Longs Peak Hospital. Dmand AI links Dr. Maymani to 3 more hospitals.

What medical group is Dr. Hossein Maymani part of?

Dr. Maymani is linked to Rocky Mountain Cancer Centers.

Does Dr. Hossein Maymani accept Medicare?

Yes. CMS data shows Dr. Maymani billed Medicare for 55,548 services in 2024, and Dr. Maymani accepts Medicare assignment.

Does Dr. Hossein Maymani offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Maymani as offering telehealth services.

Show 10 more questionsShow fewer questions

What is Dr. Hossein Maymani's MIPS score?

Dr. Maymani's MIPS final score for performance year 2024 is 73 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Hossein Maymani see?

CMS counts 478 Medicare patients who saw Dr. Maymani in 2024, with an average age of 74.

Is Dr. Hossein Maymani board certified?

Yes. Dr. Maymani is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. Hossein Maymani bill to Medicare?

In 2024, Dr. Maymani's most billed Medicare services were injected or infused drug (J9271), injected or infused drug (J1453) and injected or infused drug (J9263).

Where did Dr. Hossein Maymani go to medical school?

Dr. Maymani graduated from University of North Carolina at Chapel Hill School of Medicine in 2011.

What drugs does Dr. Hossein Maymani prescribe most?

In 2024 Medicare Part D data, Dr. Maymani's most prescribed drugs by claims were Prednisone, Abiraterone Acetate and Eliquis.

Has Dr. Hossein Maymani received payments from drug or device companies?

CMS Open Payments shows $205 in general payments to Dr. Maymani from 6 companies from 2016 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. Hossein Maymani been practicing?

Dr. Maymani graduated from medical school in 2011, 15 years ago.

Does Dr. Hossein Maymani do research?

Dmand AI links 7 publications to Dr. Maymani, published from 2014 to 2019. Dr. Maymani has worked on 1 clinical trial.

Who does Dr. Hossein Maymani publish with?

Dr. Maymani's most frequent co-authors are Mohamad Ali Cherry, MD (2 shared papers), Borje S. Andersson, MD, PhD (1 shared paper) and Qaiser Bashir, MD (1 shared paper).

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