CHARISSA PATRICIA LEWIS MD
NPI 1316528037
Internal Medicine - Sports Medicine in New Windsor, NY

NPI Status: Active since April 15, 2021

Contact Information

448 TEMPLE HILL RD
NEW WINDSOR, NY
ZIP 12553
Phone: (845) 562-2191
Fax: (845) 913-7172

NPI Profile Information
Primary Taxonomy
Medicare Participation & PECOS Status
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Years of Experience 9
Internal Medicine
Sports Medicine
May Accept Medicare Approved Payment
PECOS Enrolled

About CHARISSA LEWIS

This page provides the complete NPI Profile along with additional information for Charissa Lewis, an internist established in New Windsor, New York with a medical specialization in Internal Medicine, focusing in sports medicine and more than 9 years of experience. The healthcare provider is registered in the NPI registry with number 1316528037 assigned on April 2021. The practitioner's primary taxonomy code is 207RS0010X with license number 337365 (NY). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI: 1316528037
Provider Name: CHARISSA PATRICIA LEWIS MD
Gender: Female
Entity Type: Individual
Location Address: 448 TEMPLE HILL RD NEW WINDSOR, NY 12553
Location Phone: (845) 562-2191
Location Fax: (845) 913-7172
Mailing Address: 448 TEMPLE HILL RD NEW WINDSOR, NY 12553
Mailing Phone: (845) 562-2191
Mailing Fax: (845) 913-7172
Medical School Name: OTHER
Graduation Year: 2017
Is Sole Proprietor?: No
Enumeration Date: 04-15-2021
Last Update Date: 02-16-2026
Code Navigator

An internist like Charissa Lewis 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 Sports Medicine
Taxonomy Code: 207RS0010X
Type: Allopathic & Osteopathic Physicians
License No.: 337365
License State: NY
Taxonomy Description: An internist trained to be responsible for continuous care in the field of sports medicine, not only for the enhancement of health and fitness, but also for the prevention of injury and illness. A sports medicine physician must have knowledge and experience in the promotion of wellness and the prevention of injury. Knowledge about special areas of medicine such as exercise physiology, biomechanics, nutrition, psychology, physical rehabilitation, epidemiology, physical evaluation, injuries (treatment and prevention and referral practice) and the role of exercise in promoting a healthy lifestyle are essential to the practice of sports medicine. The sports medicine physician requires special education to provide the knowledge to improve the healthcare of the individual.

Medicare Participation & PECOS Enrollment Status

Charissa Lewis is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Charissa Lewis 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
PECOS PAC ID: 2163911256
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.
PECOS Enrollment ID: I20251029002171
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.
Accepts Medicare Assignment? Maybe
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.
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

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 1316528037, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 2

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 6

Check

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 1 → 2 5 → 10 → 1 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 2 + 6 + 1 + 0 + 2 + 1 + 6 + 0 + 6 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1316528037.