Doctor profile · Federal record

Dr. Charles Phelps, MD

Internal Medicine Physician (CMS: Internal Medicine) · Annapolis, MD

  • NPI 1407871171
  • Accepts Medicare
  • MIPS 66.7 / 100 · 2023
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
139 Old Solomons Island RD
Annapolis, MD 21401
(410) 224-2222
fax (410) 224-4926

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D0041816

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407871171. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,851
Distinct HCPCS
10
Medicare allowed
$166,015
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 615 249 $3
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 479 217 $25
99214 Established patient office or other outpatient visit, 30-39 minutes 479 241 $133
99213 Established patient office or other outpatient visit, 20-29 minutes 350 176 $94
G0008 Administration of influenza virus vaccine 102 102 $32
90662 Influenza vaccine split virus, preservative free 101 101 $69
99212 Established patient office or other outpatient visit, 10-19 minutes 101 76 $59
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 81 81 $135
G0442 Annual alcohol misuse screening, 5 to 15 minutes 73 73 $20
G0444 Annual depression screening, 5 to 15 minutes 73 73 $20

In context: peer comparison

Among 23 peers in Annapolis Internal Medicine Physician, average services per provider: 180. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$115
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 3 $61.83
Pfizer INC. 1 $28.16
Lilly USA, LLC 1 $25.26

By nature of payment

Food and Beverage
$115

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
727
Patients
193
Total drug cost
$15,485
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 89 30 $1,089
Atorvastatin Calcium Generic 87 27 $2,043
Levothyroxine Sodium Generic 67 17 $1,461
Metoprolol Succinate Generic 51 17 $1,398
Rosuvastatin Calcium Generic 51 16 $1,333
Pravastatin Sodium Generic 48 16 $1,171
Valsartan Generic 48 17 $2,451
Tamsulosin Hcl Generic 45 13 $893
Lisinopril Generic 44 13 $391
Hydrochlorothiazide Generic 36 14 $247

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Phelps's medical specialty?
Dr. Charles Phelps practices Internal Medicine Physician in Annapolis, MD.
Where does Dr. Charles Phelps practice?
Dr. Charles Phelps practices at 139 Old Solomons Island RD, Annapolis, MD 21401. Office phone: 4102242222.
What is Dr. Charles Phelps's NPI?
Dr. Charles Phelps's National Provider Identifier (NPI) is 1407871171, issued by NPPES.
Does Dr. Charles Phelps accept Medicare assignment?
Yes. Dr. Charles Phelps accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Phelps commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.