Doctor profile · Federal record

Dr. Nan Ni, M.D.

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

  • NPI 1518926500
  • Accepts Medicare
  • 44 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 E 33Rd St Ste 471
Baltimore, MD 212183322
(410) 261-8019
Mailing address
4218 Red Fox CT
Ellicott City, MD 210425721

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
April 1, 2016
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D0056254
Medicaid
MD #905900800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518926500. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
235
Distinct HCPCS
6
Medicare allowed
$22,813
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 116 43 $135
90756 Influenza vaccine, quadrivalent derived from cell cultures 30 29 $29
G0008 Administration of influenza virus vaccine 30 29 $29
99213 Established patient office or other outpatient visit, 20-29 minutes 25 22 $96
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 21 21 $135
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 13 12 $15

In context: peer comparison

Among 363 peers in Baltimore Internal Medicine Physician, average services per provider: 105. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$208
Transactions
12
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 3 $53.87
Lilly USA, LLC 3 $45.56
Novo Nordisk INC 3 $45.44
AstraZeneca Pharmaceuticals Lp 2 $39.61
Amgen INC. 1 $23.55

By nature of payment

Food and Beverage
$208

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,663
Patients
801
Total drug cost
$51,444
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 489 159 $4,809
Atorvastatin Calcium Generic 286 87 $5,322
Hydrochlorothiazide Generic 233 66 $2,191
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 212 64 $13,438
Lisinopril Generic 204 55 $3,188
Tramadol Hcl Generic 177 37 $753
Losartan Potassium Generic 163 49 $2,805
Metformin Hcl Generic 139 44 $1,876
Rosuvastatin Calcium Generic 136 45 $4,777
Metoprolol Succinate Generic 121 44 $3,833

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nan Ni's medical specialty?
Dr. Nan Ni practices Internal Medicine Physician in Baltimore, MD.
Where does Dr. Nan Ni practice?
Dr. Nan Ni practices at 200 E 33Rd St Ste 471, Baltimore, MD 212183322. Office phone: 4102618019.
What is Dr. Nan Ni's NPI?
Dr. Nan Ni's National Provider Identifier (NPI) is 1518926500, issued by NPPES.
Does Dr. Nan Ni accept Medicare assignment?
Yes. Dr. Nan Ni accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nan Ni commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Influenza vaccine, quadrivalent derived from cell cultures (HCPCS 90756); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.