Doctor profile · Federal record

Dr. Carolyn Herrington, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Huntsville, AL

  • NPI 1669453411
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
420 Lowell Dr Se, Suite 300
Huntsville, AL 358013754
(256) 535-5972
fax (256) 536-5930

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
December 7, 2009
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Alabama #26814
Medicaid (2)
AL #051558691 · AL #051559665

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669453411. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,179
Distinct HCPCS
10
Medicare allowed
$96,617
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 276 130 $118
81002 Urinalysis, manual test 173 143 $3
99215 Established patient office or other outpatient visit, 40-54 minutes 144 144 $166
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 137 137 $122
99497 Advance care planning, first 30 minutes 135 135 $79
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 119 118 $13
99213 Established patient office or other outpatient visit, 20-29 minutes 98 67 $83
83037 Hemoglobin a1c level, by device for home use 28 26 $9
96372 Injection of drug or substance under skin or into muscle 23 11 $13
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 18 11 $49

In context: peer comparison

Among 32 peers in this city , average services per provider: 142. This provider delivers 8.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 1 $15.17

By nature of payment

Food and Beverage
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,395
Patients
350
Total drug cost
$20,999
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 195 52 $3,426
Atorvastatin Calcium Generic 159 43 $2,713
Metoprolol Succinate Generic 146 31 $3,670
Amlodipine Besylate Generic 107 27 $757
Lisinopril Generic 103 27 $898
Simvastatin Generic 95 25 $1,285
Meloxicam Generic 87 29 $981
Metformin Hcl Generic 80 23 $935
Rosuvastatin Calcium Generic 79 22 $2,097
Alprazolam Generic 70 17 $230

Frequently asked questions

Auto-generated from federal data
What is Dr. Carolyn Herrington's medical specialty?
Dr. Carolyn Herrington practices Internal Medicine Physician in Huntsville, AL.
Where does Dr. Carolyn Herrington practice?
Dr. Carolyn Herrington practices at 420 Lowell Dr Se, Huntsville, AL 358013754. Office phone: 2565355972.
What is Dr. Carolyn Herrington's NPI?
Dr. Carolyn Herrington's National Provider Identifier (NPI) is 1669453411, issued by NPPES.
Does Dr. Carolyn Herrington accept Medicare assignment?
Yes. Dr. Carolyn Herrington accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carolyn Herrington commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Urinalysis, manual test (HCPCS 81002); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.