KAMRAN MOHAJER MASSOUMI M.D.
NPI 1639172604
Ophthalmology in Elk City, OK
About Kamran Mohajer Massoumi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAMRAN MOHAJER MASSOUMI M.D. (NPI 1639172604) is an individual ophthalmology provider in Elk City, Oklahoma, licensed in Oklahoma (23117) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kamran Mohajer Massoumi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Kamran Massoumi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elk City, OK 73644
- Reassigned Medicare billing, Oklahoma enrollment
- 6 clinicians in this Medicare group
Lawton, OK 73505
- Reassigned Medicare billing, Oklahoma enrollment
- 6 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73644 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ELK CITY, OK 73644
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kamran Massoumi's NPI number?
The NPI number for Kamran Massoumi is 1639172604. It was assigned to this individual provider in the NPPES registry on May 24, 2005.
Where is Kamran Massoumi located?
Kamran Massoumi practices at 1020 N Main St, Elk City, OK 73644. The listed phone number is (580) 225-1555.
What is Kamran Massoumi's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Kamran Massoumi enrolled in Medicare?
Yes. Kamran Massoumi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Kamran Massoumi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kamran Massoumi reassigns Medicare benefits to 2 organizations: Oklahoma Eye Institute (Elk City, OK) and Southwestern Oklahoma Surgical Associates, LLC (Lawton, OK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kamran Massoumi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kamran Massoumi accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Sunflower Health Plan and 5 other insurers list Kamran Massoumi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Kamran Massoumi was last updated on April 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Kamran Mohajer Massoumi, M.D. · NPI 1639172604
Ophthalmology physician in Elk City, Oklahoma. Individual provider, active in the CMS NPPES registry since May 24, 2005.
## Identity
- **NPI:** 1639172604 (Entity type: Individual)
- **Enumerated:** May 24, 2005
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 23117 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1020 N MAIN ST, Elk City, OK 73644-2831
- **Phone:** (580) 225-1555 · **Fax:** (580) 225-1558
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Oklahoma Eye Institute (NPI 1780011734, Elk City, OK); Southwestern Oklahoma Surgical Associates, LLC (NPI 1841952397, Lawton, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** April 26, 2024
- **Other identifiers:** Other 2386811 (OK); Medicaid 171274701 (TX); Medicaid 200015260A (OK); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1639172604) · Data from the CMS NPPES public registry.