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DR. AHMER ISHTIAQ MD
NPI 1508205535
Internal Medicine in Worcester, MA

Active since June 24, 2013PECOS EnrolledAccepts Medicare Assignment
123 SUMMER ST, WORCESTER, MA 01608(508) 363-6849 Get Directions Write a Review

NPPES record last updated: July 28, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 23, 2019, Nov 18, 2016 (2 updates tracked since 2016).

About Dr. Ahmer Ishtiaq Md NPPES

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

DR. AHMER ISHTIAQ MD (NPI 1508205535) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (269054) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Hendrick Medical Center, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1508205535
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. AHMER ISHTIAQCredential: MD
Location Address123 SUMMER STWorcester, MA 01608-1216
Mailing Address477 Johnson AveRonkonkoma, NY 11779-6120 · (347) 553-5056
Phone(508) 363-6849
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJune 24, 2013
Last NPPES UpdateJuly 28, 20252 updates tracked since enumeration
NPPES CertifiedJuly 28, 2025
✔ NPI 1508205535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 269054
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.
Also ListedHospitalistTaxonomy 208M00000X · License V3617 (TX)
123 SUMMER ST, Worcester, MA 01608
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

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

Dr. Ahmer Ishtiaq 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 ID4385924216
PECOS Enrollment IDI20250605003804
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 6

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 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.
479 services179 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.
312 services136 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
160 services153 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
23 services11 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
15 services15 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hendrick Medical Center

Acute Care Hospitals · Abilene, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450229
Location1900 PineAbilene, TX 79601 · Taylor County
Emergency services Birthing friendly

Eastland Memorial Hospital

Acute Care Hospitals · Eastland, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450411
Location304 S Daugherty StreetEastland, TX 76448 · Eastland County
Emergency services

Hendrick Medical Center Brownwood

Acute Care Hospitals · Brownwood, TX
1/5 CMS rating
OwnershipProprietary
CMS Certification Number450587
Location1501 Burnet DrBrownwood, TX 76801 · Brown County
Emergency services Birthing friendly

Comanche County Medical Center

Critical Access Hospitals · Comanche, TX
OwnershipVoluntary non-profit - Private
CMS Certification Number451382
Location10201 Hwy 16Comanche, TX 76442 · Comanche County
Emergency services

Baylor Scott & White Medical Center- College Stati

Acute Care Hospitals · College Station, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670088
Location700 Scott & White DriveCollege Station, TX 77845 · Brazos County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01608 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%27 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims13 services$908.41 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier29 claims29 services$57.79 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier29 claims29 services$31.28 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MADAIAH LOKESHWARI M.D.
Hospitalist
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-6849
DR. JENNIFER LYNNE PAPPALARDO DPM
Podiatrist (Foot & Ankle Surgery)
123 SUMMER ST, DEPARTMENT OF PODIATRY
WORCESTER, MA 01608
Worcester County (508) 363-7390
DR. MADHAV SHARMA MD
Internal Medicine
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5438
YESHASWINI KATKOORI MD
Student in an Organized Health Care Education/Training Program
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5000
DANIELLE MAY PELOQUIN
Nurse Anesthetist, Certified Registered
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5000
DR. YAYAN CHEN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-6049
FARRICY & KRAFT LLP
Obstetrics & Gynecology (Obstetrics)
123 SUMMER ST, SUITE 560
WORCESTER, MA 01608
Worcester County (508) 363-6100
KEITH A BEALS PA
Physician Assistant
123 SUMMER ST
WORCESTER, MA 01608
Worcester County (508) 363-5000

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 Ahmer Ishtiaq's NPI number?

The NPI number for Ahmer Ishtiaq is 1508205535. It was assigned to this individual provider in the NPPES registry on June 24, 2013.

Where is Ahmer Ishtiaq located?

Ahmer Ishtiaq practices at 123 Summer St, Worcester, MA 01608. The listed phone number is (508) 363-6849.

What is Ahmer Ishtiaq's specialty?

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

Is Ahmer Ishtiaq enrolled in Medicare?

Yes. Ahmer Ishtiaq 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.

What insurance does Ahmer Ishtiaq accept?

Health plans from Blue Cross and Blue Shield of Texas list Ahmer Ishtiaq as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ahmer Ishtiaq affiliated with any hospitals?

According to CMS data, Ahmer Ishtiaq is affiliated with Hendrick Medical Center, Eastland Memorial Hospital, Hendrick Medical Center Brownwood, Comanche County Medical Center and Baylor Scott & White Medical Center- College Stati.

When was this NPI record last updated?

The NPPES record for Ahmer Ishtiaq was last updated on July 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.