GRACE THAMMASUVIMOL M.D.
NPI 1992948277
Psychiatry & Neurology - Child & Adolescent Psychiatry in Frederick, MD

NPI Status: Active since April 15, 2009

Contact Information

170 THOMAS JOHNSON DR STE 200
FREDERICK, MD
ZIP 21702
Phone: (301) 695-8390
Fax: (301) 694-7906

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  • Individual
  • Female
  • Psychiatry & Neurology
  • Child & Adolescent Psychiatry
  • PECOS Enrolled
  • Opted-Out Medicare

About GRACE THAMMASUVIMOL

This page provides the complete NPI Profile along with additional information for Grace Thammasuvimol, a provider established in Frederick, Maryland with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1992948277 assigned on April 2009. The practitioner's primary taxonomy code is 2084P0804X with license number D72357 (MD). The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI
1992948277
Provider Name
GRACE THAMMASUVIMOL M.D.
Gender
Female
Entity Type
Individual
Location Address
170 THOMAS JOHNSON DR STE 200 FREDERICK, MD 21702
Location Phone
(301) 695-8390
Location Fax
(301) 694-7906
Mailing Address
170 THOMAS JOHNSON DR STE 200 FREDERICK, MD 21702
Mailing Phone
(301) 695-8390
Mailing Fax
(301) 694-7906
Is Sole Proprietor?
Yes
Enumeration Date
04-15-2009
Last Update Date
09-22-2014
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The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Grace Thammasuvimol opted out of Medicare effective on 02-04-2016 until 02-04-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare but is permitted to order and refer services to other healthcare providers.

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

Psychiatry & Neurology Child & Adolescent Psychiatry

Taxonomy Code
2084P0804X
Type
Allopathic & Osteopathic Physicians
License No.
D72357
License State
MD
Taxonomy Description
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Medicare Participation & PECOS Enrollment Status

Grace Thammasuvimol 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

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 02-04-2016

  • Opt-Out End Date: 02-04-2026

  • Eligible to Order and Refer? 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: Yes

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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 1992948277, 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 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
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
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 9 → 18 → 9 9 → 18 → 9 8 → 16 → 7 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 + 8 + 2 + 1 + 8 + 4 + 1 + 6 + 2 + 1 + 4 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1992948277.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Social Worker
170 THOMAS JOHNSON DR STE 200
FREDERICK, MD 21702
Counselor (Mental Health)
170 THOMAS JOHNSON DR STE 200
FREDERICK, MD 21702

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992948277, enumerated as an "individual" on April 15, 2009.

The provider is located at 170 THOMAS JOHNSON DR STE 200 FREDERICK, MD 21702 and the phone number is (301) 695-8390.

Psychiatry & Neurology with taxonomy code 2084P0804X and a focus in Child & Adolescent Psychiatry.