MARK A TIDSWELL MD
NPI 1699722066
Internal Medicine - Critical Care Medicine in Springfield, MA

Active since May 30, 2006PECOS Enrolled
759 CHESTNUT STREET, S2668, SPRINGFIELD, MA 01199(413) 794-5439(413) 794-5389 Get Directions Write a Review

NPPES record last updated: April 1, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mark A Tidswell Md NPPES

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

MARK A TIDSWELL MD (NPI 1699722066) is an individual critical care medicine provider in Springfield, Massachusetts, licensed in Massachusetts (161219) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699722066
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameMARK A TIDSWELLCredential: MD
Location Address759 CHESTNUT STREET, S2668Springfield, MA 01199
Mailing Address280 Chestnut Street, 2nd FloorSpringfield, MA 01199 · (413) 794-5700
Fax(413) 794-5389
Sole ProprietorNo
Enumeration DateMay 30, 2006
Last NPPES UpdateApril 1, 2011
NPI 1699722066 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in MA · 161219
Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 161219 (MA)
759 CHESTNUT STREET, Springfield, MA 01199

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mark A Tidswell Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
69 services51 patients
Follow-up hospital inpatient care per day, typically 35 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.
16 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01199 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.

Psychiatry & Neurology (Psychiatry)
759 CHESTNUT STREET, S5632
SPRINGFIELD, MA 01199
Emergency Medicine
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Emergency Medicine
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Hospitalist
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Emergency Medicine (Pediatric Emergency Medicine)
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Emergency Medicine (Pediatric Emergency Medicine)
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Nurse Practitioner (Acute Care)
759 CHESTNUT STREET, S4604
SPRINGFIELD, MA 01199
Physician Assistant (Medical)
759 CHESTNUT STREET, S2668
SPRINGFIELD, MA 01199

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 Mark Tidswell's NPI number?

The NPI number for Mark Tidswell is 1699722066. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Mark Tidswell located?

Mark Tidswell practices at 759 Chestnut Street S2668, Springfield, MA 01199. The listed phone number is (413) 794-5439.

What is Mark Tidswell's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Mark Tidswell enrolled in Medicare?

Yes. Mark Tidswell is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Tidswell was last updated on April 1, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.