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MOHAMMED ABSAR ULLAH M.D.
NPI 1336568534
Internal Medicine - Gastroenterology in Springfield, MA

Active since April 15, 2014PECOS EnrolledAccepts Medicare Assignment
3300 MAIN STREET, 3RD FL, SUITE A, SPRINGFIELD, MA 01107(413) 794-7364(413) 794-7482 Get Directions Write a Review

NPPES record last updated: September 25, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 3, 2023, Jun 10, 2020 (2 updates tracked since 2020).

About Mohammed Absar Ullah M.d. NPPES

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

MOHAMMED ABSAR ULLAH M.D. (NPI 1336568534) is an individual gastroenterology provider in Springfield, Massachusetts, licensed in Massachusetts (1015174) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Baystate Franklin Medical Center, and is a graduate of State University Of New York Downstate Medical Center (2014).

NPPES Registry Identity

NPI1336568534
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMOHAMMED ABSAR ULLAHCredential: M.D.
Location Address3300 MAIN STREET, 3RD FL, SUITE ASpringfield, MA 01107-1112
Mailing Address280 Chestnut Street, 2nd FloorSpringfield, MA 01199-1001 · (413) 794-5700
Phone(413) 794-7364
Fax(413) 794-7482
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 2014
Enumeration DateApril 15, 2014
Last NPPES UpdateSeptember 25, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2023
✔ NPI 1336568534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MA · 1015174
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
3300 MAIN STREET, Springfield, MA 01107
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Other Names 1

Other Name (5)Mohammed Absarullah M.d.

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

Mohammed Absar Ullah 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 ID4587915657
PECOS Enrollment IDI20230829002609
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

3

Medicare enrollment records show Mohammed Ullah reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Baystate Medical Practices, Inc
0.4 mi
Emergency Medical Services
759 CHESTNUT ST
Springfield, MA 01199
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,537 clinicians in this Medicare group
NPI 1548205909 (413) 794-5700
University Of Rochester
265 mi
General Practice
625 ELMWOOD AVE, BOX 683
Rochester, NY 14620
  • Reassigned Medicare billing, New York enrollment
  • 1,624 clinicians in this Medicare group
NPI 1982787537 (585) 275-5022
Gastrointestinal Group
265 mi
Gastroenterology
601 ELMWOOD AVE, BOX MED
Rochester, NY 14642
  • Reassigned Medicare billing, New York enrollment
  • 71 clinicians in this Medicare group
NPI 1114977048 (585) 275-4711

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 11

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 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.
155 services149 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
114 services110 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
88 services87 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
54 services54 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.
41 services37 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.
36 services18 patients

Hospital Affiliations CMS Care Compare 4

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

Baystate Franklin Medical Center

Acute Care Hospitals · Greenfield, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220016
Location164 High StreetGreenfield, MA 01301 · Franklin County
Emergency services Birthing friendly

Baystate Wing Hospital

Acute Care Hospitals · Palmer, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220030
Location40 Wright StreetPalmer, MA 01069 · Hampden County
Emergency services

Baystate Noble Hospital

Acute Care Hospitals · Westfield, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220065
Location115 West Silver StreetWestfield, MA 01085 · Hampden County
Emergency services

Baystate Medical Center

Acute Care Hospitals · Springfield, MA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220077
Location759 Chestnut StreetSpringfield, MA 01199 · Hampden County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01107 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.

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.

DANIELLE ELISABETH DESERRES PA-C
Physician Assistant (Medical)
3300 MAIN STREET
SPRINGFIELD, MA 01107
Hampden County (413) 794-5600
KATHARINE A GREEN CNM
Advanced Practice Midwife
3300 MAIN STREET, SUITE 4D
SPRINGFIELD, MA 01107
Hampden County (413) 794-8336
STUART ALAN ANFANG M.D.
Psychiatry & Neurology (Psychiatry)
3300 MAIN STREET, SUITE 3C & 3D
SPRINGFIELD, MA 01107
Hampden County (413) 794-7035
KATHLEEN A KANG NP
Nurse Practitioner (Family)
3300 MAIN STREET
SPRINGFIELD, MA 01107
Hampden County (413) 794-5600
DR. JULIO A. MIRANDA M.D.
Internal Medicine (Pulmonary Disease)
3300 MAIN STREET, 2ND FL, SUITE B
SPRINGFIELD, MA 01107
Hampden County (413) 794-7330
MRS. ELLEN ELIZABETH HAYNES JOHNSON M.S.
Psychologist
3300 MAIN STREET, 4A
SPRINGFIELD, MA 01107
Hampden County (413) 794-7035
DALLAS SELTZER PA
Physician Assistant (Medical)
3300 MAIN STREET, 3RD FL, SUITE C&D
SPRINGFIELD, MA 01107
Hampden County (413) 794-5600
ANNA LOUISE PASKAUSKY N.P.
Nurse Practitioner (Family)
3300 MAIN STREET, 3RD FL, SUITE A
SPRINGFIELD, MA 01107
Hampden County (413) 794-7364

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 Mohammed Ullah's NPI number?

The NPI number for Mohammed Ullah is 1336568534. It was assigned to this individual provider in the NPPES registry on April 15, 2014. The provider is also known as Mohammed Absarullah M.D..

Where is Mohammed Ullah located?

Mohammed Ullah practices at 3300 Main Street 3rd Fl, Suite A, Springfield, MA 01107. The listed phone number is (413) 794-7364.

What is Mohammed Ullah's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Mohammed Ullah enrolled in Medicare?

Yes. Mohammed Ullah 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 Mohammed Ullah's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohammed Ullah reassigns Medicare benefits to 3 organizations: Baystate Medical Practices, Inc (Springfield, MA), University Of Rochester (Rochester, NY) and Gastrointestinal Group (Rochester, NY). 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 Mohammed Ullah's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mohammed Ullah affiliated with any hospitals?

According to CMS data, Mohammed Ullah is affiliated with Baystate Franklin Medical Center, Baystate Wing Hospital, Baystate Noble Hospital and Baystate Medical Center.

When was this NPI record last updated?

The NPPES record for Mohammed Ullah was last updated on September 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.