Kathryn Ruttan, RN
Kathryn Ruttan, RN is an Ambulatory Care Registered Nurse in Ann Arbor, MI, registered under NPI 1003694258.
Getting there
Here is what surrounds this office in Ann Arbor, based on OpenStreetMap data collected Aug 29, 2026. Parking is available about 0.20 mi away at Lot NC43. There is EV charging 0.34 mi from the office (ChargePoint) — useful if you are driving in from out of town. The nearest transit stop is 981 ft away. If you arrive early, there is a coffee shop 0.38 mi away.
Getting here and what is nearby
Transit VA Healthcare System 278 ft ~2 min
Parking 430 ft ~2 min
Parking 454 ft ~2 min
Restaurant Mr. Yun's Tower Deli 863 ft ~4 min
2200 Fuller Court, Ann Arbor 48105
Mo-Fr 10:00-21:00; Sa 12:00-19:00
Restaurant The Lunch Room Bakery & Cafe 872 ft ~4 min
2200 Fuller Court, Ann Arbor 48105
Mo-Fr 08:00-14:00
Transit 949 ft ~4 min
Transit 981 ft ~4 min
Parking Lot NC43 0.20 mi ~5 min
2109 Fuller Road, Ann Arbor 48109
EV charging ChargePoint 0.34 mi ~7 min
Restaurant Panda Express 0.36 mi ~8 min
2101 Bonisteel, Ann Arbor 48109
Mo-Fr 11:00-19:00; Sa,Su 12:00-17:00
Coffee Fireside Roast 0.37 mi ~8 min
Coffee Mujo Cafe 0.38 mi ~8 min
Mo-Th 08:00-19:00; Fr 08:00-16:00; Sa off; Su 11:00-18:00
Convenience Blue Market 0.39 mi ~8 min
Mo-Th 08:00-18:00; Fr 08:00-17:00
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 |
|---|---|---|
| 4704365536 | MI | Ambulatory Care Registered Nurse primary |
This provider holds licence 4704365536 issued in MI. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Ambulatory Care covers
Definition to come... NUCC Health Care Provider Taxonomy, code 163WP2201X
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 | 1003694258 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Sep 19, 2023 |
| Last updated | Sep 19, 2023 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Credential | RN |
| Practice address |
2215 FULLER RD Ann Arbor, MI 48105 (734) 769-7100 |
| Mailing address |
3399 E GRAND RIVER AVE STE 100 Howell, MI 48843 |
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 | 6 | 9 | 4 | 2 | 5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 3 | 9 | 8 | 2 | 1 |
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.