HHC PHYSICIAN SERVICES, PLLC
NPI 1962212779
Internal Medicine - Pulmonary Disease in Guilford, CT

NPI Status: Active since January 13, 2025

Contact Information

350 GOOSE LN STE 203B
GUILFORD, CT
ZIP 06437
Phone: (203) 738-7700
Fax: (203) 689-6500

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  • Organization
  • Internal Medicine
  • Pulmonary Disease
  • CLIA Number: 07D0955338
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 12-27-2026

About HHC PHYSICIAN SERVICES, PLLC

This page provides the complete NPI Profile along with additional information for Hhc Physician Services, Pllc, an internist established in Guilford, Connecticut operating as a Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1962212779 assigned on January 2025. The practitioner's primary taxonomy code is 207RP1001X. The provider is registered as an organization and their NPI record was last updated January 2026. Hhc Physician Services, Pllc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is David B Simon Md (Md, Ceo)

NPI
1962212779
Provider Name
HHC PHYSICIAN SERVICES, PLLC
Entity Type
Organization
Location Address
350 GOOSE LN STE 203B GUILFORD, CT 06437
Location Phone
(203) 738-7700
Location Fax
(203) 689-6500
Mailing Address
PO BOX 830415 PHILADELPHIA, PA 19182
Mailing Phone
(203) 488-7228
Mailing Fax
(203) 689-6500
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
01-13-2025
Last Update Date
01-15-2026
Code Navigator

An internist like Hhc Physician Services, Pllc 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

Secondary Locations

  • 250 Indian River Rd Ste 300
    Orange, CT 06477
    (203) 738-7700
  • 322 E Main St Ste 1B
    Branford, CT 06405
    (203) 488-7228

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 Pulmonary Disease

Taxonomy Code
207RP1001X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

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)
1207RC0200XAllopathic & Osteopathic Physicians

Internal Medicine
Critical Care Medicine

 
2207RS0012XAllopathic & Osteopathic Physicians

Internal Medicine
Sleep Medicine

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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

DAVID B SIMON MD

Authorized Official Title
MD, CEO
Authorized Official Phone
(203) 488-7228

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
07D0955338
Facility Type
Physician Office
Certificate Effective Date
December 28, 2024
Certificate Expiration Date
December 27, 2026
Laboratory Director
DAVID HASS
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Hhc Physician Services, Pllc 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 1962212779, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 2 + 2 + 4 + 1 + 4 + 7 + 1 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1962212779.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Orthopaedic Surgery
350 GOOSE LN STE 203B
GUILFORD, CT 06437
Nurse Practitioner (Primary Care)
350 GOOSE LN STE 203B
GUILFORD, CT 06437
Physician Assistant (Medical)
350 GOOSE LN STE 203B
GUILFORD, CT 06437
Internal Medicine (Pulmonary Disease)
350 GOOSE LN STE 203B
GUILFORD, CT 06437

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1962212779, enumerated as an "organization" on January 13, 2025.

The provider is located at 350 GOOSE LN STE 203B GUILFORD, CT 06437 and the phone number is (203) 738-7700.

Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.