Active NPI
Rehan Raza Ahmad, M.D.
- Emergency Medicine Physician
- Hillsdale, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 35.139394
- Practice address
- 168 S Howell St
Hillsdale, MI 49242-2040 - Phone
- (517) 437-4451
- NPI assigned
- Jun 3, 2015
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 10
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 30054 | WV | |
| Emergency Medicine Physician | 207P00000X | 01091790A | IN | |
| Emergency Medicine Physician | 207P00000X | 304535 | NY | |
| Emergency Medicine Physician | 207P00000X | 35.139394 | OH | Primary |
| Emergency Medicine Physician | 207P00000X | 30054 | WV | |
| Internal Medicine Physician | 207R00000X | 4301502273 | MI | |
| Internal Medicine Physician | 207R00000X | 304535 | NY | |
| Emergency Medicine Physician | 207P00000X | 4301502273 | MI | |
| Internal Medicine Physician | 207R00000X | 35.139394 | OH | |
| Internal Medicine Physician | 207R00000X | 01091790A | IN |
Addresses
Primary practice location
168 S Howell St
Hillsdale, MI 49242-2040
Mailing address
4409 Oriole CT
Ann Arbor, MI 48103-3671
Phone (517) 648-7528
Other practice location 1
1000 McKinley Park Dr
Marion, OH 43302-6399
Phone (740) 383-8400
Other practice location 2
27789 Mound Rd Ste 200
Warren, MI 48092-2697
Phone (602) 763-3273
Other practice location 3
320 E North Ave
Pittsburgh, PA 15212-4756
Phone (412) 359-3166
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OH, WV, MI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20200619000377 | OH | Practitioner - Emergency Medicine | 6406144609 | Reassigns benefits to 4 organizations |
| I20201124000596 | WV | Practitioner - Emergency Medicine | 6406144609 | Reassigns benefits to 2 organizations |
| I20240412002030 | MI | Practitioner - Emergency Medicine | 6406144609 | Reassigns benefits to 3 organizations |
Care Compare profile
Medicare Care Compare- Specialty
- Emergency Medicine
- Education
- Other, 2015
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Hillsdale Emergency Physicians, P.C.
Practice addresses (Care Compare)
168 S Howell St
Hillsdale, MI 49242-2040
Phone (517) 437-5125
Hospital & facility affiliations
- Marion General Hospital
- Hillsdale Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4301502273 | MI | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Greenbrier Emergency Services, Inc. | Emergency Medicine | Current | Accepting new patients |
| Hillsdale Emergency Physicians, P.C. | Emergency Medicine | Current | Accepting new patients |
| Health Care Alliance, Inc. | Emergency Medicine | Current | Accepting new patients |
| Emergency Professional Services, Inc. | Emergency Medicine | Current | Accepting new patients |
| Mercy Emergency Care Services, Inc. | Emergency Medicine | Current | Accepting new patients |
| Ohio Emergency Care Services, Inc | Emergency Medicine | Current | Accepting new patients |
| Observation Emergency Physicians, P.C. | Emergency Medicine | Current | Accepting new patients |
| Emergency Department Physicians, P.C. | Emergency Medicine | Current | Accepting new patients |
| Ohio Emergency Professionals Inc | Emergency Medicine | Current | Accepting new patients |
Locations
22101 Moross Rd
Detroit, MI 48236
Phone (313) 343-3248
168 S Howell St
Hillsdale, MI 49242
Phone (517) 437-4451
27351 Dequindre Rd
Madison Hts, MI 48071
Phone (248) 967-7000
307 S Evergreen Ave
Woodbury, NJ 08096
Phone (856) 686-4300
600 N Pickaway St
Ste 5
Circleville, OH 43113
Phone (740) 474-2782
561 W Central Ave
Delaware, OH 43015
Phone (614) 566-9983
630 Eaton Ave
Hamilton, OH 45013
Phone (513) 867-2000
730 W Market St
Lima, OH 45801
Phone (419) 226-4310
18697 Bagley Rd
Middleburg Heights, OH 44130
Phone (440) 816-8000
651 W Marion Rd
Mount Gilead, OH 43338
Phone (419) 946-5015
2600 Navarre Ave
Oregon, OH 43616
Phone (419) 696-7200
1710 Harper Rd
Beckley, WV 25801
Phone (304) 252-0641
20 Hospital Dr
Logan, WV 25601
Phone (304) 792-1101
601 Colliers Way
Weirton, WV 26062
Phone (304) 364-5156
Organizations & group practices 9
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
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-
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- NPI 1093762353
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-
- Emergency Medicine Physician
- Gassaway, WV
- NPI 1568401461
Emergency Medicine, WV
-
- Emergency Medicine Physician
- Beckley, WV
- NPI 1730128760
Emergency Medicine, WV
-
- Emergency Medicine Physician
- Toledo, OH
- NPI 1477957819
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-
- Emergency Medicine Physician
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- NPI 1184028524
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-
- Emergency Medicine Physician
- Columbus, OH
- NPI 1982983425
Emergency Medicine, OH
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1433289600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784160000000",
"number": "1174903280",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4409 ORIOLE CT",
"city": "ANN ARBOR",
"state": "MI",
"postal_code": "481033671",
"telephone_number": "517-648-7528"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "168 S HOWELL ST",
"city": "HILLSDALE",
"state": "MI",
"postal_code": "492422040",
"telephone_number": "517-437-4451"
}
],
"practiceLocations": [
{
"address_1": "1000 McKinley Park Dr",
"address_purpose": "LOCATION",
"city": "Marion",
"state": "OH",
"postal_code": "433026399",
"country_code": "US",
"telephone_number": "740-383-8400",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "27789 Mound Rd Ste 200",
"address_purpose": "LOCATION",
"city": "Warren",
"state": "MI",
"postal_code": "480922697",
"country_code": "US",
"telephone_number": "602-763-3273",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "320 E North Ave",
"address_purpose": "LOCATION",
"city": "Pittsburgh",
"state": "PA",
"postal_code": "152124756",
"country_code": "US",
"telephone_number": "412-359-3166",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "AHMAD",
"first_name": "REHAN",
"middle_name": "RAZA",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2015-06-03",
"last_updated": "2026-07-16",
"certification_date": "2026-07-16",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "WV",
"license": "30054",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "IN",
"license": "01091790A",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "NY",
"license": "304535",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "OH",
"license": "35.139394",
"primary": true
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "WV",
"license": "30054",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MI",
"license": "4301502273",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "304535",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "MI",
"license": "4301502273",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "OH",
"license": "35.139394",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IN",
"license": "01091790A",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Hillsdale, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.