JENNIFER SHARK CNM
NPI 1205004793
Midwife in Cambridge, MA
NPI Status: Active since February 18, 2008
Contact Information
25 CARLETON ST
CAMBRIDGE, MA
ZIP 02142
Phone: (617) 253-1315
Fax: (617) 258-0454
- Individual
- Female
- Years of Experience 20
- Midwife
- Accepts Medicare Approved Payment
- PECOS Enrolled
About JENNIFER SHARK
This page provides the complete NPI Profile along with additional information for Jennifer Shark, a provider established in Cambridge, Massachusetts with a medical specialization in Midwife and more than 20 years of experience. The healthcare provider is registered in the NPI registry with number 1205004793 assigned on February 2008. The practitioner's primary taxonomy code is 176B00000X with license number RN2276775 (MA). The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1205004793
- Provider Name
- JENNIFER SHARK CNM
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 25 CARLETON ST CAMBRIDGE, MA 02142
- Location Phone
- (617) 253-1315
- Location Fax
- (617) 258-0454
- Mailing Address
- 25 CARLETON ST CAMBRIDGE, MA 02142
- Mailing Phone
- (617) 253-1315
- Mailing Fax
- (617) 258-0454
- Medical School Name
- OTHER
- Graduation Year
- 2007
- Is Sole Proprietor?
- No
- Enumeration Date
- 02-18-2008
- Last Update Date
- 06-03-2026
- Code Navigator
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
Midwife
- Taxonomy Code
- 176B00000X
- Type
- Other Service Providers
- License No.
- RN2276775
- License State
- MA
- Taxonomy Description
- A Midwife is a trained professional with special expertise in supporting women to maintain a healthy pregnancy birth, offering expert individualized care, education, counseling, and support to a woman and her newborn throughout the childbearing cycle. A Midwife is a skilled and independent practitioner who has undergone formalized training. Midwives are not required to be nurses and may be trained via multiple routes of education (apprenticeship, workshop, formal classes, or programs, etc., usually a combination). The educational background requirements and licensing requirements vary by state. The Midwife may or may not be certified by a state or national organization.
Medicare Participation & PECOS Enrollment Status
Jennifer Shark is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.
Jennifer Shark 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 and Durable Medical Equipment (DME).
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: 2860562543
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: I20121026000254
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? Yes
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): No
Eligible to Order or Refer Power Mobility Devices: No
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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 1205004793, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 13 providers are registered at the same or a nearby location.
CAMBRIDGE, MA 02142
CAMBRIDGE, MA 02142
CAMBRIDGE, MA 02142
CAMBRIDGE, MA 02142
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1205004793, enumerated as an "individual" on February 18, 2008.
The provider is located at 25 CARLETON ST CAMBRIDGE, MA 02142 and the phone number is (617) 253-1315.
Midwife with taxonomy code 176B00000X.
