THEODORE J ZERVAS DMD
NPI 1093821159
Dentist - General Practice in Greenfield, MA
NPI Status: Active since August 22, 2006
Contact Information
55 FEDERAL ST
SUITE 240
GREENFIELD, MA
ZIP 01301
Phone: (413) 772-0884
- Individual
- Male
- Dentist
- General Practice
- Accepts Insurance
- PECOS Enrolled
- CLIA Number: 22D2200219
- CLIA Cert. Type: Practitioner Other
- CLIA Exp. Date: 11-12-2026
About THEODORE ZERVAS
This page provides the complete NPI Profile along with additional information for Theodore Zervas, a provider established in Greenfield, Massachusetts with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1093821159 assigned on August 2006. The practitioner's primary taxonomy code is 1223G0001X with license number 18613 (MA). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1093821159
- Provider Name
- THEODORE J ZERVAS DMD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 55 FEDERAL ST SUITE 240 GREENFIELD, MA 01301
- Location Phone
- (413) 772-0884
- Mailing Address
- 55 FEDERAL ST SUITE 240 GREENFIELD, MA 01301
- Mailing Phone
- (413) 772-0884
- Mailing Fax
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-22-2006
- Last Update Date
- 07-08-2007
- Code Navigator
A dentist like Theodore Zervas is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.
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
Dentist General Practice
- Taxonomy Code
- 1223G0001X
- Type
- Dental Providers
- License No.
- 18613
- License State
- MA
- Taxonomy Description
- A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Humana Dental Smart Choice - PPO
- Humana Dental Smart Choice - Basic - PPO
- Humana Dental Smart Choice - High - PPO
- Humana Dental Smart Choice - Lite - PPO
- Humana Dental Smart Choice - Low - PPO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Medicare Participation & PECOS Enrollment Status
Theodore Zervas 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) and a Home Health Agency (HHA).
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: No
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 01301 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99203
- Average New Patient Price $90.7
- Minimum New Patient Price $58.86
- Maximum New Patient Price $177.36
- Average New Patient Copayment $22.67
- 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 99213
- Average Established Patient Price $73.22
- Minimum Established Patient Price $19.11
- Maximum Established Patient Price $144.84
- Average Established Patient Copayment $18.3
- 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.
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
- 22D2200219
- Facility Type
- Practitioner Other
- Certificate Effective Date
- November 13, 2024
- Certificate Expiration Date
- November 12, 2026
- Laboratory Director
- THEODORE J. ZERVAS
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Theodore Zervas 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 1093821159, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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.
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 51 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
GREENFIELD, MA 01301
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1093821159, enumerated as an "individual" on August 22, 2006.
The provider is located at 55 FEDERAL ST SUITE 240 GREENFIELD, MA 01301 and the phone number is (413) 772-0884.
Dentist with taxonomy code 1223G0001X and a focus in General Practice.
The provider might be accepting Accepts: Humana. Please consult your insurance carrier or call the provider to verify.
