Active NPI
Crossover Health Services Inc
Doing business as Crossover Health Services
- Federally Qualified Health Center (FQHC)
- Tulsa, OK
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Federally Qualified Health Center (FQHC)
- Legal business name
- CROSSOVER HEALTH SERVICES INC
- Doing business as
- Crossover Health Services
- Practice address
- 5635 N Martin Luther King Jr Blvd
Tulsa, OK 74126-6409 - Phone
- (918) 398-9460
- Fax
- (918) 992-2822
- NPI assigned
- Mar 16, 2022
- Last updated
- Aug 11, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Sharmien Watkins
- Title
- Cfo
- Phone
- (918) 398-9460
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Federally Qualified Health Center (FQHC) | 261QF0400X | NU | Primary | |
| Medical Specialty Clinic/Center | 261QM2500X | NU |
Addresses
Primary practice location
5635 N Martin Luther King Jr Blvd
Tulsa, OK 74126-6409
Mailing address
940 E 36TH St N
Tulsa, OK 74106-1953
Phone (918) 398-9460
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 200514040B | Medicaid | OK | |
| 200514040D | Medicaid | OK |
Other names 1
- Crossover Health Services
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | john.abraham.1@16190.direct.athenahealth.com |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OK
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20140828000563 | OK | Part B Supplier - Clinic/Group Practice | 0345468625 |
Receives reassigned benefits from 10 practitioners 1 other NPI on this enrollment This NPI is an additional NPI on the enrollment Practice locations: Tulsa, OK |
| O20250213002811 | OK | Part A Provider - Federally Qualified Health Center (FQHC) | 2668819145 | Practice locations: Tulsa, OK |
NPI to CCN mapping 1
The Medicare certification numbers (CCNs) connected to NPI 1942958111. Details of each certification follow.
Federally qualified health center certification: CCN 371046
- Legal name
- CROSSOVER HEALTH SERVICES INC
- Doing business as
- REALTIME, LLC
- Certification status
- Active
- Provider type (POS)
- Federally qualified health center
- Participating since
- Mar 8, 2025
- Last certification
- Mar 8, 2025
- Ownership / control type
- For profit – corporation
- Organization structure
- Other
- Enrollment address
- 5635 N Martin Luther King Jr Blvd
Tulsa, OK 74126-6409
Other NPIs with the same Medicare PAC ID 1
NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).
-
- Federally Qualified Health Center (FQHC)
- Tulsa, OK
- NPI 1407297963
2668819145
Other NPIs on the same Medicare enrollment 1
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
-
- Federally Qualified Health Center (FQHC)
- Tulsa, OK
- NPI 1407297963
O20140828000563
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 37D2252386 | Crossover Health Services, LLC | Certificate of waiver | Feb 9, 2028 |
National Provider Directory
National Provider Directory- Tax ID family
- CHS at 36TH Street Clinic
Other organizations with this tax ID 2
Organizations that report the same tax identification number in the National Provider Directory.
-
- Clinic Pharmacy
- Tulsa, OK
- NPI 1134091143
-
- Federally Qualified Health Center (FQHC)
- Tulsa, OK
- NPI 1407297963
Ownership & related parties
All disclosed owners & managing parties 5
As disclosed on the Medicare enrollment (CMS All Owners files). Individuals include officers, directors and managing employees, who may not hold ownership.
| Name | Role | Since | Share |
|---|---|---|---|
| Sharmien Charnisette Watkins | W-2 Managing Employee | Aug 1, 2023 | |
| Robin Higgins | Corporate Director | Aug 1, 2023 | |
| Eva Louise Ingram | Corporate Director | Aug 1, 2023 | |
| Natalie K Schaller | W-2 Managing Employee | Aug 1, 2023 | |
| John T Whitaker | W-2 Managing Employee | Aug 1, 2023 |
Owners & managing parties with NPI records 2
Owners and managing parties disclosed on this facility’s Medicare enrollment that are themselves Medicare-enrolled.
Practitioners & affiliated clinicians
Practitioners 12
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Family Medicine Physician
- Tulsa, OK
- NPI 1962634535
-
- Family Nurse Practitioner
- Tulsa, OK
- NPI 1972826659
-
- Family Medicine Physician
- Tulsa, OK
- NPI 1831176601
-
- Family Medicine Physician
- Tulsa, OK
- NPI 1821418773
-
- Family Medicine Physician
- Tulsa, OK
- NPI 1013571256
-
- Family Medicine Physician
- Tulsa, OK
- NPI 1104409036
-
- Family Medicine Physician
- Tulsa, OK
- NPI 1285217125
-
- Family Medicine Physician
- Tulsa, OK
- NPI 1265753669
-
- Registered Dietitian
- Tulsa, OK
- NPI 1952747768
-
- Family Medicine Physician
- Tulsa, OK
- NPI 1457679573
-
- Family Medicine Physician
- Tulsa, OK
- NPI 1205195443
-
- Family Nurse Practitioner
- Granbury, TX
- NPI 1982255352
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1647388800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1754870400000",
"number": "1942958111",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "940 E 36TH ST N",
"city": "TULSA",
"state": "OK",
"postal_code": "741061953",
"telephone_number": "918-398-9460"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5635 N MARTIN LUTHER KING JR BLVD",
"city": "TULSA",
"state": "OK",
"postal_code": "741266409",
"telephone_number": "918-398-9460",
"fax_number": "918-992-2822"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "CROSSOVER HEALTH SERVICES INC",
"organizational_subpart": "NO",
"enumeration_date": "2022-03-16",
"last_updated": "2025-08-11",
"certification_date": "2025-08-11",
"status": "A",
"authorized_official_last_name": "WATKINS",
"authorized_official_first_name": "SHARMIEN",
"authorized_official_title_or_position": "CFO",
"authorized_official_telephone_number": "918-398-9460"
},
"taxonomies": [
{
"code": "261QF0400X",
"taxonomy_group": "",
"desc": "Clinic/Center, Federally Qualified Health Center (FQHC)",
"state": "NU",
"license": null,
"primary": true
},
{
"code": "261QM2500X",
"taxonomy_group": "",
"desc": "Clinic/Center, Medical Specialty",
"state": "NU",
"license": null,
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "200514040B",
"state": "OK"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "200514040D",
"state": "OK"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "john.abraham.1@16190.direct.athenahealth.com",
"affiliation": "N",
"endpointDescription": "Direct messaging address",
"address_1": "5635 N Martin Luther King Jr Blvd",
"city": "Tulsa",
"state": "OK",
"country_code": "US",
"postal_code": "741266409",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": [
{
"organization_name": "Crossover Health Services",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Tulsa, OK
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.