Doctor profile · Federal record

Dr. Hossein Maymani, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Longmont, CO

  • NPI 1023303096
  • Accepts Medicare
  • MIPS 81.5 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1760 E Ken Pratt Blvd Ste 302
Longmont, CO 805045311
(303) 684-1900
fax (303) 684-1925
Mailing address
2030 Mountain View Ave Ste 210
Longmont, CO 805013180

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
June 1, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Colorado #DR.0059632 · Oklahoma #28613
Medicaid
CO #9000158806

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023303096. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
52,827
Distinct HCPCS
10
Medicare allowed
$792,204
HCPCS Description Services Patients Avg allowed
J1453 Injection, fosaprepitant, 1 mg 10,950 37 $0
J9271 Injection, pembrolizumab, 1 mg 9,400 16 $54
J9263 Injection, oxaliplatin, 0.5 mg 7,300 12 $0
J9267 Injection, paclitaxel, 1 mg 5,450 17 $0
J1756 Injection, iron sucrose, 1 mg 4,600 13 $0
J9155 Injection, degarelix, 1 mg 2,880 15 $4
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,412 56 $0
36415 Insertion of needle into vein for collection of blood sample 1,223 274 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 1,207 272 $8
80053 Blood test, comprehensive group of blood chemicals 1,002 260 $10

In context: peer comparison

Among 2 peers in Longmont Hematology & Oncology Physician, average services per provider: 834. This provider delivers 63× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
491
Patients
105
Total drug cost
$499,792
Drug Type Claims Patients Total cost
Acyclovir Generic 65 14 $1,357
Eliquis (Apixaban) Brand 61 14 $40,583
Hydroxyurea Generic 58 15 $3,022
Prednisone Generic 39 16 $360
Letrozole Generic 36 0 $645
Prochlorperazine Maleate Generic 33 25 $533
Abiraterone Acetate Generic 30 0 $36,983
Tamoxifen Citrate Generic 29 0 $754
Dexamethasone Generic 28 21 $822
Anastrozole Generic 24 0 $690

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hossein Maymani's medical specialty?
Dr. Hossein Maymani practices Hematology & Oncology Physician in Longmont, CO.
Where does Dr. Hossein Maymani practice?
Dr. Hossein Maymani practices at 1760 E Ken Pratt Blvd Ste 302, Longmont, CO 805045311. Office phone: 3036841900.
What is Dr. Hossein Maymani's NPI?
Dr. Hossein Maymani's National Provider Identifier (NPI) is 1023303096, issued by NPPES.
Does Dr. Hossein Maymani accept Medicare assignment?
Yes. Dr. Hossein Maymani accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hossein Maymani commonly perform?
Top Medicare-reported procedures in 2023: Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, oxaliplatin, 0.5 mg (HCPCS J9263). Source: CMS Medicare Physician & Other Practitioners file.