Doctor profile · Federal record

Dr. Whitney Graybill, MD

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Obstetrics & Gynecology Physician · Charleston, SC

  • NPI 1851550305
  • Accepts Medicare
  • 24 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 294250100
(843) 792-1414
Mailing address
Po Box 751461
Charlotte, NC 282751461

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
July 27, 2010
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State licenses (2)
South Carolina #32787 · Texas #N0477

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851550305. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
389
Distinct HCPCS
10
Medicare allowed
$60,458
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 101 56 $92
99215 Established patient office or other outpatient visit, 40-54 minutes 64 28 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 57 49 $63
99213 Established patient office or other outpatient visit, 20-29 minutes 41 32 $85
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 31 15 $113
99205 New patient office or other outpatient visit, 60-74 minutes 30 30 $167
58571 Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less 23 23 $828
99214 Established patient office or other outpatient visit, 30-39 minutes 19 16 $120
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $192
38571 Removal of lymph nodes of both sides of pelvis using an endoscope 11 11 $297

In context: peer comparison

Among 4 peers in Charleston Gynecologic Oncology Physician, average services per provider: 58. This provider delivers 6.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,840
Transactions
11
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $2,870.00
Medtronic, INC. 8 $1,090.12
Eisai INC. 1 $815.00
GlaxoSmithKline, LLC. 1 $64.50

By nature of payment

Consulting Fee
$2,870
Compensation for Serving As Faculty or As A Speaker for A Medical Education Program
$815
Travel and Lodging
$726
Food and Beverage
$364
Education
$65

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
244
Patients
55
Total drug cost
$204,353
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 37 11 $26,271
Duloxetine Hcl Generic 25 0 $225
Ondansetron Hcl Generic 22 16 $141
Prochlorperazine Maleate Generic 22 14 $340
Levothyroxine Sodium Generic 21 0 $130
Dexamethasone Generic 20 14 $359
Oxycodone Hcl Generic 20 0 $162
Amlodipine Besylate Generic 16 0 $171
Letrozole Generic 15 0 $676
Gabapentin Generic 13 0 $146

Frequently asked questions

Auto-generated from federal data
What is Dr. Whitney Graybill's medical specialty?
Dr. Whitney Graybill practices Gynecologic Oncology Physician in Charleston, SC.
Where does Dr. Whitney Graybill practice?
Dr. Whitney Graybill practices at 171 Ashley Ave, Charleston, SC 294250100. Office phone: 8437921414.
What is Dr. Whitney Graybill's NPI?
Dr. Whitney Graybill's National Provider Identifier (NPI) is 1851550305, issued by NPPES.
Does Dr. Whitney Graybill accept Medicare assignment?
Yes. Dr. Whitney Graybill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Whitney Graybill commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.