HEAD2TOE HEALTH
NPI 1235609074
Family Medicine in Bethesda, MD

NPI Status: Active since December 04, 2018

Contact Information

7505 DEMOCRACY BLVD STE A115
BETHESDA, MD
ZIP 20817
Phone: (301) 337-8610
Fax: (301) 337-8621

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  • Organization
  • Family Medicine
  • CLIA Number: 21D2176606
  • CLIA Cert. Type: Practitioner Other
  • CLIA Exp. Date: 12-17-2025

About HEAD2TOE HEALTH

This page provides the complete NPI Profile along with additional information for Head2toe Health, a primary care provider established in Bethesda, Maryland operating as a Family Medicine. The healthcare provider is registered in the NPI registry with number 1235609074 assigned on December 2018. The practitioner's primary taxonomy code is 207Q00000X. The provider is registered as an organization and their NPI record was last updated February 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Ms. Deirdre F Angelastro Crnp (Family Nurse Practitioner)

NPI
1235609074
Provider Name
HEAD2TOE HEALTH
Entity Type
Organization
Location Address
7505 DEMOCRACY BLVD STE A115 BETHESDA, MD 20817
Location Phone
(301) 337-8610
Location Fax
(301) 337-8621
Mailing Address
12347 SOUR CHERRY WAY NORTH POTOMAC, MD 20878
Mailing Phone
(240) 388-5757
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-04-2018
Last Update Date
02-02-2026
Code Navigator

A primary care provider (PCP) like Head2toe Health sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MS. DEIRDRE F ANGELASTRO CRNP

Authorized Official Title
FAMILY NURSE PRACTITIONER
Authorized Official Phone
(301) 337-8610

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
R209417OTHER (01)MDMD LICENSE

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
21D2176606
Facility Type
Practitioner Other
Certificate Effective Date
December 18, 2023
Certificate Expiration Date
December 17, 2025
Laboratory Director
DEIRDRE F. ANGELASTRO
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Head2toe Health to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1235609074, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 1 + 2 + 0 + 1 + 8 + 0 + 1 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1235609074.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235609074, enumerated as an "organization" on December 04, 2018.

The provider is located at 7505 DEMOCRACY BLVD STE A115 BETHESDA, MD 20817 and the phone number is (301) 337-8610.

Family Medicine with taxonomy code 207Q00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.