Doctor profile · Federal record

Dr. Katherine Ash, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Indianapolis, IN

  • NPI 1891053385
  • Accepts Medicare
  • MIPS 96.9 / 100 · 2023
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1120 South Dr, Fesler Hall, Room 224
Indianapolis, IN 462025135
(317) 355-5041
Mailing address
5133 Brookstone Ln
Indianapolis, IN 462685400

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
June 16, 2015
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Indiana #01075000A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891053385. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
793
Distinct HCPCS
5
Medicare allowed
$75,205
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 319 317 $167
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 316 313 $8
99284 Emergency department visit with moderate level of medical decision making 115 113 $114
99291 Critical care, first 30-74 minutes 25 25 $203
99283 Emergency department visit with low level of medical decision making 18 18 $68

In context: peer comparison

Among 140 peers in Indianapolis Emergency Medicine Physician, average services per provider: 87. This provider delivers 9.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
319
Patients
318
Total drug cost
$2,681
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 58 58 $190
Cephalexin Generic 53 53 $402
Doxycycline Hyclate Generic 52 52 $898
Prednisone Generic 41 41 $123
Ondansetron Odt (Ondansetron) Brand 40 39 $353
Methylprednisolone Generic 16 16 $125
Ciprofloxacin Hcl Generic 14 14 $83
Naproxen Generic 12 12 $41
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 11 11 $350
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 11 $84

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Ash's medical specialty?
Dr. Katherine Ash practices Emergency Medicine Physician in Indianapolis, IN.
Where does Dr. Katherine Ash practice?
Dr. Katherine Ash practices at 1120 South Dr, Indianapolis, IN 462025135. Office phone: 3173555041.
What is Dr. Katherine Ash's NPI?
Dr. Katherine Ash's National Provider Identifier (NPI) is 1891053385, issued by NPPES.
Does Dr. Katherine Ash accept Medicare assignment?
Yes. Dr. Katherine Ash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Ash commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.