DR. QAISER SHAMSHIR KHAN MD, MPH
NPI 1861806192
Psychiatry & Neurology - Addiction Psychiatry in Worcester, MA

Active since June 14, 2014PECOS Enrolled
55 LAKE AVE N # S7-831, WORCESTER, MA 01655(508) 856-1256(508) 856-6426 Get Directions Write a Review

NPPES record last updated: March 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 5, 2025, Aug 31, 2018 (2 updates tracked since 2018).

About Dr. Qaiser Shamshir Khan Md, Mph NPPES

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

DR. QAISER SHAMSHIR KHAN MD, MPH (NPI 1861806192) is an individual addiction psychiatry provider in Worcester, Massachusetts, licensed in Massachusetts (274343) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Morton Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1861806192
Entity TypeIndividualMale
Primary Taxonomy2084P0802X
Provider Legal NameDR. QAISER SHAMSHIR KHANCredential: MD, MPH
Location Address55 LAKE AVE N # S7-831Worcester, MA 01655
Mailing Address55 Lake Ave N # S7-831Worcester, MA 01655-0002 · (508) 856-1256 · Fax (508) 856-6426
Fax(508) 856-6426
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateJune 14, 2014
Last NPPES UpdateMarch 5, 20252 updates tracked since enumeration
NPPES CertifiedMarch 5, 2025
✔ NPI 1861806192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Addiction PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0802X
License✔ Licensed in MA · 274343
Definition
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
55 LAKE AVE N # S7-831, Worcester, MA 01655

Secondary Practice Locations 2

Location 1920 Stanton L Young Blvd, WP 3440Oklahoma City, OK 73104-5036 · Phone (405) 271-8001 ext. 47683 · Fax (405) 271-7724
Location 2235 North Pearl StBrockton, MA 02301 · Phone (508) 427-3000

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Qaiser Shamshir Khan Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7012215189
PECOS Enrollment IDI20190402001971
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Qaiser Khan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community/Behavioral Health
585 LINCOLN ST
Worcester, MA 01605
  • Reassigned Medicare billing, Massachusetts enrollment
  • 53 clinicians in this Medicare group
Specialist
9 GALEN ST
Watertown, MA 02472
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,103 clinicians in this Medicare group
Family Medicine
2007 BAY ST
Taunton, MA 02780
  • Reassigned Medicare billing, Massachusetts enrollment
  • 547 clinicians in this Medicare group
Anesthesiology
55 FOGG RD
Weymouth, MA 02190
  • Reassigned Medicare billing, Massachusetts enrollment
  • 671 clinicians in this Medicare group
Psychiatric Unit
88 WASHINGTON ST
Taunton, MA 02780
  • Reassigned Medicare billing, Massachusetts enrollment
  • 13 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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 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.
144 services33 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
110 services18 patients

Hospital Affiliations CMS Care Compare

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

Morton Hospital

Acute Care Hospitals · Taunton, MA
1/5 CMS rating
OwnershipProprietary
CMS Certification Number220073
Location88 Washington StreetTaunton, MA 02780 · Bristol County
Emergency services

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 Qaiser Khan's NPI number?

The NPI number for Qaiser Khan is 1861806192. It was assigned to this individual provider in the NPPES registry on June 14, 2014.

Where is Qaiser Khan located?

Qaiser Khan practices at 55 Lake Ave N # S7-831, Worcester, MA 01655. The listed phone number is (508) 856-1256.

What is Qaiser Khan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.

Is Qaiser Khan enrolled in Medicare?

Yes. Qaiser Khan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Qaiser Khan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Qaiser Khan reassigns Medicare benefits to 5 organizations: Spectrum Health Systems, Inc (Worcester, MA), Steward Medical Group, Inc (Watertown, MA), Lifespan Physician Group Of Massachusetts Inc (Taunton, MA), Coastal Medical Associates (Weymouth, MA) and Lifespan Of Massachusetts - Taunton Inc (Taunton, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Qaiser Khan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Qaiser Khan accept?

Health plans from Harvard Pilgrim Health Care list Qaiser Khan 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 Qaiser Khan affiliated with any hospitals?

According to CMS data, Qaiser Khan is affiliated with Morton Hospital.

When was this NPI record last updated?

The NPPES record for Qaiser Khan was last updated on March 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.