Doctor profile · Federal record

Dr. Monika Mahajan

Internal Medicine Physician (CMS: Internal Medicine) · Allentown, PA

  • NPI 1255354866
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1230 S Cedar Crest Blvd, Suite 201
Allentown, PA 181036367
(610) 402-8950
Mailing address
Po Box 783311
Philadelphia, PA 191783311

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 19, 2015
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Pennsylvania #MD420619

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255354866. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,075
Distinct HCPCS
10
Medicare allowed
$111,366
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 307 245 $86
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 284 284 $125
99214 Established patient office or other outpatient visit, 30-39 minutes 176 143 $123
G0008 Administration of influenza virus vaccine 64 64 $29
90662 Influenza vaccine split virus, preservative free 45 45 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 31 31 $282
G0009 Administration of pneumococcal vaccine 31 31 $29
99495 Transitional care management services for problem of at least moderate complexity 26 26 $197
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 24 24 $14
90480 Admn sarscov2 vacc 1 dose 18 18 $39

In context: peer comparison

Among 46 peers in Allentown Internal Medicine Physician, average services per provider: 85. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $14.50

By nature of payment

Food and Beverage
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,089
Patients
879
Total drug cost
$46,960
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 399 110 $6,869
Losartan Potassium Generic 353 92 $5,177
Atorvastatin Calcium Generic 316 84 $4,984
Omeprazole Generic 256 63 $4,635
Amlodipine Besylate Generic 222 64 $2,423
Rosuvastatin Calcium Generic 192 64 $4,058
Lisinopril Generic 178 49 $1,986
Gabapentin Generic 174 47 $3,568
Hydrochlorothiazide Generic 172 51 $1,181
Alprazolam Generic 165 59 $1,190

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Monika Mahajan's medical specialty?
Dr. Monika Mahajan practices Internal Medicine Physician in Allentown, PA.
Where does Dr. Monika Mahajan practice?
Dr. Monika Mahajan practices at 1230 S Cedar Crest Blvd, Allentown, PA 181036367. Office phone: 6104028950.
What is Dr. Monika Mahajan's NPI?
Dr. Monika Mahajan's National Provider Identifier (NPI) is 1255354866, issued by NPPES.
Does Dr. Monika Mahajan accept Medicare assignment?
Yes. Dr. Monika Mahajan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Monika Mahajan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.