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DR. EHSAN A BISWAS M.D.
NPI 1255393815
Psychiatry & Neurology - Psychiatry in Manchester, NH

Active since April 06, 2006PECOS EnrolledAccepts Medicare Assignment
718 SMYTH RD, MANCHESTER, NH 03104(603) 624-4366(603) 629-3244 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Ehsan A Biswas M.d. NPPES

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

DR. EHSAN A BISWAS M.D. (NPI 1255393815) is an individual psychiatry provider in Manchester, New Hampshire, licensed in New Hampshire (11523) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Holy Family Hospital, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1255393815
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. EHSAN A BISWASCredential: M.D.
Location Address718 SMYTH RDManchester, NH 03104-7004
Mailing Address79 Tiffany LnManchester, NH 03104-4765 · (603) 624-4366 · Fax (603) 629-3244
Phone(603) 624-4366
Fax(603) 629-3244
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateApril 6, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1255393815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NH · 11523
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
718 SMYTH RD, Manchester, NH 03104
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Harvard Pilgrim Health Care, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ehsan A Biswas M.d. 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 ID3870587488
PECOS Enrollment IDI20040414000999, I20170926000597
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

4

Medicare enrollment records show Ehsan Biswas reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St Joseph Hospital Of Nashua Nh
16 mi
Urgent Care
442 NASHUA ST
Milford, NH 03055
  • Reassigned Medicare billing, New Hampshire enrollment
  • 386 clinicians in this Medicare group
NPI 1437758679 (603) 673-5623
Lg Newcorp Inc
24 mi
Psychiatric Unit
70 EAST ST
Methuen, MA 01844
  • Reassigned Medicare billing, Massachusetts enrollment
  • 15 clinicians in this Medicare group
NPI 1033936810 (978) 946-8366
Community Medical Associates, Inc.
26 mi
Family Medicine
25 MARSTON ST STE 301
Lawrence, MA 01841
  • Reassigned Medicare billing, Massachusetts enrollment
  • 305 clinicians in this Medicare group
NPI 1144544040 (978) 683-4000
Steward Medical Group, Inc
47 mi
Specialist
9 GALEN ST
Watertown, MA 02472
  • Reassigned Medicare billing, Massachusetts enrollment
  • 991 clinicians in this Medicare group
NPI 1629398219 (615) 467-4474

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.
350 services140 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.
42 services39 patients

Hospital Affiliations CMS Care Compare 2

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

Holy Family Hospital

Acute Care Hospitals · Methuen, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220080
Location70 East StreetMethuen, MA 01844 · Essex County
Emergency services Birthing friendly

St Joseph Hospital

Acute Care Hospitals · Nashua, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number300011
Location172 Kinsley StNashua, NH 03060 · Hillsborough County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03104 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
$174.26 typical visit price
range $57.75 – $174.26
Typical copayment $43.56 (range $14.43 – $43.56)
Most-billed visit code 99205
Established Patient
$71.85 typical visit price
range $18.70 – $142.15
Typical copayment $17.96 (range $4.67 – $35.53)
Most-billed visit code 99213
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 20

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

EMORFIA P VALKANOS RPH
Pharmacist
718 SMYTH RD
MANCHESTER, NH 03104
Hillsborough County (603) 624-4366
MR. GIL THOMAS RUECK MSPT
Physical Therapist
718 SMYTH RD
MANCHESTER, NH 03104
Hillsborough County (603) 624-4366
DR. SUSAN JUDITH ZLOTNICK-HALE MD
Family Medicine
718 SMYTH RD, MANCHESTER VA MEDICAL CENTER - PRIMARY CARE
MANCHESTER, NH 03104
Hillsborough County (800) 892-8384
MR. STEVEN GERARD OTTARIANO RPH
Pharmacist
718 SMYTH RD
MANCHESTER, NH 03104
Hillsborough County (603) 624-4366
TRACY LYNN MEYER BSN, RN
Registered Nurse
718 SMYTH RD
MANCHESTER, NH 03104
Hillsborough County (603) 624-4366
DR. VICTOR GORDAN MD
Internal Medicine
718 SMYTH RD
MANCHESTER, NH 03104
Hillsborough County (603) 624-4366
KAREN J GUSTAFSON
Registered Nurse
718 SMYTH RD
MANCHESTER, NH 03104
Hillsborough County (603) 624-4366
MS. BARBARA ELLEN PINES-BROWN LICSW
Social Worker (Clinical)
718 SMYTH RD
MANCHESTER, NH 03104
Hillsborough County (603) 624-4366

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 Ehsan Biswas's NPI number?

The NPI number for Ehsan Biswas is 1255393815. It was assigned to this individual provider in the NPPES registry on April 6, 2006.

Where is Ehsan Biswas located?

Ehsan Biswas practices at 718 Smyth Rd, Manchester, NH 03104. The listed phone number is (603) 624-4366.

What is Ehsan Biswas's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Ehsan Biswas enrolled in Medicare?

Yes. Ehsan Biswas 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.

Which organizations bill Medicare for Ehsan Biswas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ehsan Biswas reassigns Medicare benefits to 4 organizations: St Joseph Hospital Of Nashua Nh (Milford, NH), Lg Newcorp Inc (Methuen, MA), Community Medical Associates, Inc. (Lawrence, MA) and Steward Medical Group, Inc (Watertown, 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 Ehsan Biswas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ehsan Biswas accept?

Health plans from Ambetter from NH Healthy Families, Harvard Pilgrim Health Care and Taro Health list Ehsan Biswas 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 Ehsan Biswas affiliated with any hospitals?

According to CMS data, Ehsan Biswas is affiliated with Holy Family Hospital and St Joseph Hospital.

When was this NPI record last updated?

The NPPES record for Ehsan Biswas was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.