Ryan Ahern, MD
Ryan Ahern, MD is a Procedural Dermatology Physician in College Station, TX, registered under NPI 1003033838. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.
Getting there
Here is what surrounds this office in College Station, based on OpenStreetMap data collected Aug 31, 2026. Parking is available about 355 ft away. If you arrive early, there is a coffee shop 0.40 mi away.
Getting here and what is nearby
Parking 230 ft ~1 min
Parking 238 ft ~1 min
Parking 355 ft ~2 min
Restaurant Whataburger 478 ft ~2 min
Restaurant McDonald's 788 ft ~3 min
Gas station Kroger 0.22 mi ~5 min
Grocery Kroger 0.26 mi ~6 min
3535 Longmire Drive, College Station 77845
Mo-Su 06:00-23:00
Restaurant Pizza Hut 0.29 mi ~6 min
3800 State Highway 6 Frontage Road, College Station 77845
Hotel Microtel Inn & Suites 0.33 mi ~7 min
1820 Ponderosa Drive, College Station 77845
Coffee Starbucks 0.40 mi ~9 min
3985 State Highway 6 Frontage Road, College Station 77845
Convenience Circle K 0.41 mi ~9 min
Gas station Valero 0.41 mi ~9 min
Hotel Courtyard Bryan College Station 0.45 mi ~10 min
3939 Texas 6 Frontage Road, College Station 77845
Hotel La Quinta Inn & Suites College Station South 0.45 mi ~10 min
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| M6002 | TX | MOHS-Micrographic Surgery Physician |
| M6002 | TX | Procedural Dermatology Physician primary |
This provider holds licence M6002 issued in TX. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Practitioner - Dermatology
- PAC ID
- 7517927288
- Enrollment ID
- I20070801000350
Medicare enrolment is recorded as approved under the provider type Practitioner - Dermatology. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Procedural Dermatology covers
Procedural Dermatology, a subspecialty of Dermatology, encompassing a wide variety of surgical procedures and methods to remove or modify skin tissue for health or cosmetic benefit. These methods include scalpel surgery, laser surgery, chemical surgery, cryosurgery (liquid nitrogen), electrosurgery, aspiration surgery, liposuction, injection of filler substances, and Mohs micrographic controlled surgery (a special technique for the removal of growths, especially skin cancers). NUCC Health Care Provider Taxonomy, code 207NS0135X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 207ND0101X | MOHS-Micrographic Surgery Physician MOHS-Micrographic Surgery | M6002 | TX | |
| 207NS0135X | Procedural Dermatology Physician Procedural Dermatology | M6002 | TX | primary |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003033838 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Apr 20, 2007 |
| Last updated | Jan 30, 2020 |
| Status | Active |
| Sole proprietor | No |
| Gender | Male |
| Credential | MD |
| Practice address |
1651 ROCK PRAIRIE RD STE 103 College Station, TX 77845 (979) 314-5400 Fax (979) 703-1040 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 0 | 3 | 3 | 8 | 3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 0 | 3 | 6 | 8 | 6 |
Sum = 52 · next multiple of 10 = 60 · check digit = 8 · actual last digit = 8
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.