DR. OTIS OSEI DNP, CRNA
NPI 1164875746
Nurse Anesthetist, Certified Registered in Potomac, MD
About Dr. Otis Osei Dnp, Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OTIS OSEI DNP, CRNA (NPI 1164875746) is an individual nurse anesthetist, certified registered in Potomac, Maryland, licensed in Maryland (AC002834) and active in the NPI registry since July 2016. He is affiliated with Doctors Hospital Of Laredo, maintains a secondary practice location in Chesapeake, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (2016).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Otis Osei Dnp, Crna 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
5Medicare enrollment records show Otis Osei reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland enrollment
- 96 clinicians in this Medicare group
Prince Frederick, MD 20678
- Reassigned Medicare billing, Maryland enrollment
- 468 clinicians in this Medicare group
Richmond, VA 23227
- Reassigned Medicare billing, Virginia enrollment
- 386 clinicians in this Medicare group
Pensacola, FL 32502
- Reassigned Medicare billing, Texas enrollment
- 432 clinicians in this Medicare group
Laredo, TX 78041
- Reassigned Medicare billing, Texas 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
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Doctors Hospital Of Laredo
Acute Care Hospitals · Laredo, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20854 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Otis Osei's NPI number?
The NPI number for Otis Osei is 1164875746. It was assigned to this individual provider in the NPPES registry on July 19, 2016.
Where is Otis Osei located?
Otis Osei practices at 8501 Aqueduct Rd, Potomac, MD 20854. The listed phone number is (301) 613-0063.
What is Otis Osei's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Otis Osei enrolled in Medicare?
Yes. Otis Osei 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 Otis Osei's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Otis Osei reassigns Medicare benefits to 5 organizations: North Calvert Anesthesiology Services LLC (Baltimore, MD), North American Partners In Anesthesia Maryland LLC (Prince Frederick, MD), Bon Secours Medical Group Hampton Roads Specialty Care LLC (Richmond, VA), Texas Ams PLLC (Pensacola, FL) and Laredo Digestive Health Center, LLC (Laredo, TX). 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 Otis Osei's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Otis Osei accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Otis Osei 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.
Is Otis Osei affiliated with any hospitals?
According to CMS data, Otis Osei is affiliated with Doctors Hospital Of Laredo.
When was this NPI record last updated?
The NPPES record for Otis Osei was last updated on October 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Otis Osei, DNP, CRNA · NPI 1164875746
Nurse Anesthetist, Certified Registered physician in Potomac, Maryland. Individual provider, active in the CMS NPPES registry since July 19, 2016.
## Identity
- **NPI:** 1164875746 (Entity type: Individual)
- **Enumerated:** July 19, 2016
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AC002834 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 8501 AQUEDUCT RD, Potomac, MD 20854-6209
- **Phone:** (301) 613-0063
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): North Calvert Anesthesiology Services LLC (NPI 1710360227, Baltimore, MD); North American Partners In Anesthesia Maryland LLC (NPI 1093707879, Prince Frederick, MD); Bon Secours Medical Group Hampton Roads Specialty Care LLC (NPI 1629637475, Richmond, VA); Texas Ams PLLC (NPI 1174926125, Pensacola, FL); Laredo Digestive Health Center, LLC (NPI 1275909780, Laredo, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Uniformed Services Uhs Fe Hebert School Of Med, class of 2016
## Record status
- **NPPES last updated:** October 12, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1164875746) · Data from the CMS NPPES public registry.