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MR. AHTSHAM YOUSAF CHAUDHARY MD
NPI 1295398899
Internal Medicine in Derby, CT

Active since April 18, 2019PECOS EnrolledAccepts Medicare Assignment
93.27/100
CMS Quality Rating
130 DIVISION ST, DERBY, CT 06418(203) 732-1330(203) 732-1332 Get Directions Write a Review

NPPES record last updated: November 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 11, 2025, Jul 27, 2022, Apr 18, 2019 (3 updates tracked since 2019).

About Mr. Ahtsham Yousaf Chaudhary Md NPPES

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

MR. AHTSHAM YOUSAF CHAUDHARY MD (NPI 1295398899) is an individual internal medicine provider in Derby, Connecticut, licensed in Connecticut (70090) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1295398899
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. AHTSHAM YOUSAF CHAUDHARYCredential: MD
Location Address130 DIVISION STDerby, CT 06418-1326
Mailing Address67 Maple AveDerby, CT 06418-1328
Phone(203) 732-1330
Fax(203) 732-1332
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 18, 2019
Last NPPES UpdateNovember 11, 20253 updates tracked since enumeration
NPPES CertifiedNovember 11, 2025
✔ NPI 1295398899 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 70090
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.
130 DIVISION ST, Derby, CT 06418
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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 and accepts Medicare assignment

Mr. Ahtsham Yousaf Chaudhary Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204219033
PECOS Enrollment IDI20220811002007
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.

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.
96 services96 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
59 services59 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.
27 services19 patients
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.
20 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06418 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.72
Promoting Interoperability78.03
Improvement Activities40

Other Providers at the Same Location NPPES 20

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

MRS. CHRISTINA ERNST MS,RD,CDN
Dietitian, Registered
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7579
STACEY LEARY RD, CDN, CNSC
Dietitian, Registered
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7585
GENEVIEVE CECILE KELA MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7327
DR. DWAYNE ALANSIER HALL DNP
Nurse Practitioner
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 735-7421
DR. SYBIL CHENG D.O.
Emergency Medicine (Emergency Medical Services)
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 732-7403
PETER J. INTEGLIA CRNA
Nurse Anesthetist, Certified Registered
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 735-6493
RORY V CONDON MSN, MA
Nurse Practitioner (Psychiatric/Mental Health)
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 887-0604
TRENT GARCIA MD
Student in an Organized Health Care Education/Training Program
130 DIVISION ST
DERBY, CT 06418
Naugatuck Valley Planning Region (203) 735-7421

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 Ahtsham Chaudhary's NPI number?

The NPI number for Ahtsham Chaudhary is 1295398899. It was assigned to this individual provider in the NPPES registry on April 18, 2019.

Where is Ahtsham Chaudhary located?

Ahtsham Chaudhary practices at 130 Division St, Derby, CT 06418. The listed phone number is (203) 732-1330.

What is Ahtsham Chaudhary's specialty?

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

Is Ahtsham Chaudhary enrolled in Medicare?

Yes. Ahtsham Chaudhary is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ahtsham Chaudhary was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.