Doctor profile · Federal record

Dr. Diann Krywko, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medical Services (Emergency Medicine) Physician · Charleston, SC

  • NPI 1912003138
  • Accepts Medicare
  • 30 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
171 Ashley Ave
Charleston, SC 294258908
(843) 792-1414
Mailing address
Po Box 751461
Charlotte, NC 282751461

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
January 16, 2008
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
South Carolina #30461 · Michigan #4301068080
Medicaid
MI #4133892

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912003138. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
127
Distinct HCPCS
2
Medicare allowed
$18,544
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 74 74 $168
99284 Emergency department visit with moderate level of medical decision making 53 52 $115

In context: peer comparison

Among 60 peers in this city , average services per provider: 94. This provider delivers 1.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Diann Krywko's medical specialty?
Dr. Diann Krywko practices Emergency Medicine Physician in Charleston, SC.
Where does Dr. Diann Krywko practice?
Dr. Diann Krywko practices at 171 Ashley Ave, Charleston, SC 294258908. Office phone: 8437921414.
What is Dr. Diann Krywko's NPI?
Dr. Diann Krywko's National Provider Identifier (NPI) is 1912003138, issued by NPPES.
Does Dr. Diann Krywko accept Medicare assignment?
Yes. Dr. Diann Krywko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diann Krywko commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.