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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MAHIDHAR MAHASAMUDRAM REDDY MD
NPI 1114451630
Internal Medicine in Whippany, NJ

Active since April 12, 2017PECOS Enrolled
91 S JEFFERSON RD STE 301, WHIPPANY, NJ 07981(973) 325-6400(862) 438-8535 Get Directions Write a Review

NPPES record last updated: September 21, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 21, 2026, Dec 7, 2023, Apr 12, 2017 (3 updates tracked since 2017).

About Dr. Mahidhar Mahasamudram Reddy Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MAHIDHAR MAHASAMUDRAM REDDY MD (NPI 1114451630) is an individual internal medicine provider in Whippany, New Jersey, licensed in New Jersey (25MA11750000) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114451630
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MAHIDHAR MAHASAMUDRAM REDDYCredential: MD
Location Address91 S JEFFERSON RD STE 301Whippany, NJ 07981-1037
Mailing Address12 Cedar Gate DrLivingston, NJ 07039 · (848) 992-4223
Phone(973) 325-6400
Fax(862) 438-8535
Sole ProprietorNo
Enumeration DateApril 12, 2017
Last NPPES UpdateSeptember 21, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 21, 2026
✔ NPI 1114451630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NJ · 25MA11750000
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
91 S JEFFERSON RD STE 301, Whippany, NJ 07981
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mahidhar Mahasamudram Reddy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
651 services141 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
415 services124 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
61 services58 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
52 services49 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07981 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KETAMINE TREATMENT CENTERS OF PRINCETON, LLC
Psychiatry & Neurology (Psychiatry)
91 S JEFFERSON RD STE 301
WHIPPANY, NJ 07981
Morris County (888) 566-8774

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mahidhar Reddy's NPI number?

The NPI number for Mahidhar Reddy is 1114451630. It was assigned to this individual provider in the NPPES registry on April 12, 2017.

Where is Mahidhar Reddy located?

Mahidhar Reddy practices at 91 S Jefferson Rd Ste 301, Whippany, NJ 07981. The listed phone number is (973) 325-6400.

What is Mahidhar Reddy's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mahidhar Reddy enrolled in Medicare?

Yes. Mahidhar Reddy is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mahidhar Reddy was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.