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

NPI Status: Active since May 30, 2006

Contact Information

759 CHESTNUT STREET
S2668
SPRINGFIELD, MA
ZIP 01199
Phone: (413) 794-5439
Fax: (413) 794-5389

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  • Individual
  • Male
  • Internal Medicine
  • Critical Care Medicine
  • PECOS Enrolled

About MARK TIDSWELL

This page provides the complete NPI Profile along with additional information for Mark Tidswell, an internist established in Springfield, Massachusetts with a medical specialization in Internal Medicine, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1699722066 assigned on May 2006. The practitioner's primary taxonomy code is 207RC0200X with license number 161219 (MA). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1699722066
Provider Name
MARK A TIDSWELL MD
Gender
Male
Entity Type
Individual
Location Address
759 CHESTNUT STREET S2668 SPRINGFIELD, MA 01199
Location Phone
(413) 794-5439
Location Fax
(413) 794-5389
Mailing Address
280 CHESTNUT STREET 2ND FLOOR SPRINGFIELD, MA 01199
Mailing Phone
(413) 794-5700
Is Sole Proprietor?
No
Enumeration Date
05-30-2006
Last Update Date
04-01-2011
Code Navigator

An internist like Mark Tidswell is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Critical Care Medicine

Taxonomy Code
207RC0200X
Type
Allopathic & Osteopathic Physicians
License No.
161219
License State
MA
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RP1001XAllopathic & Osteopathic Physicians

Internal Medicine
Pulmonary Disease

161219 (MA)

Medicare Participation & PECOS Enrollment Status

Mark Tidswell is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Critical care, first 30-74 minutes

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.

This service was performed 69 times for 51 patients

Follow-up hospital inpatient care per day, typically 35 minutes

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.

This service was performed 16 times for 14 patients

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 01199 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $134.47
  • Minimum New Patient Price $58.86
  • Maximum New Patient Price $177.36
  • Average New Patient Copayment $33.61
  • Minimum New Patient Copayment $14.71
  • Maximum New Patient Copayment $44.34

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $103.48
  • Minimum Established Patient Price $19.11
  • Maximum Established Patient Price $144.84
  • Average Established Patient Copayment $25.87
  • Minimum Established Patient Copayment $4.77
  • Maximum Established Patient Copayment $36.21

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1699722066, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
2
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 7 → 14 → 5 2 → 4 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 1 + 8 + 9 + 1 + 4 + 2 + 4 + 0 + 1 + 2 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1699722066.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

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Emergency Medicine
759 CHESTNUT STREET
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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
Internal Medicine (Critical Care Medicine)
759 CHESTNUT STREET, S2668
SPRINGFIELD, MA 01199
Family Medicine (Geriatric Medicine)
759 CHESTNUT STREET, S2668
SPRINGFIELD, MA 01199
Emergency Medicine
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Emergency Medicine
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Internal Medicine (Geriatric Medicine)
759 CHESTNUT STREET, S2668
SPRINGFIELD, MA 01199
Emergency Medicine
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Obstetrics & Gynecology
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Emergency Medicine
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Emergency Medicine
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Physician Assistant (Medical)
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Emergency Medicine
759 CHESTNUT STREET
SPRINGFIELD, MA 01199
Student in an Organized Health Care Education/Training Program
759 CHESTNUT STREET, BAYSTATE MEDICAL CENTER
SPRINGFIELD, MA 01199

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699722066, enumerated as an "individual" on May 30, 2006.

The provider is located at 759 CHESTNUT STREET S2668 SPRINGFIELD, MA 01199 and the phone number is (413) 794-5439.

Internal Medicine with taxonomy code 207RC0200X and a focus in Critical Care Medicine.