What is Shyam Vyas's NPI number?

Shyam Vyas's National Provider Identifier (NPI) is 1992850184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Shyam Vyas's specialty?

Shyam Vyas is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is Shyam Vyas located?

Shyam Vyas's practice location on file with NPPES is 3516 Ne Stallings Dr, Nacogdoches, TX 75965.

What is Shyam Vyas's phone number?

The practice phone number listed in the NPPES registry for Shyam Vyas is (936) 560-0818.

Does Shyam Vyas accept Medicare?

Shyam Vyas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Shyam Vyas's NPI active?

Yes — Shyam Vyas's NPI (1992850184) is active in the NPPES registry as of the last update on 2013-09-30.

IndividualActiveAccepts Medicare

Shyam Vyas, MD

NPI 1992850184 · Psychiatry Physician · Nacogdoches, TX

Shyam Vyas, MD is a Psychiatry Physician provider in Nacogdoches, TX (NPI 1992850184).

Provider details

NPI number: 1992850184
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: L4790 (TX)

Practice location

3516 Ne Stallings Dr

Nacogdoches, TX 75965

Phone: (936) 560-0818

Fax: (936) 560-5610

Street-level locationGet directions

More TX providers

Mailing address

3516 Ne Stallings Dr

Nacogdoches, TX 75965

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense L4790 (TX)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(77/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
19 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
313 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	237	$82
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	76	$116

Typical Medicare-allowed amounts for these services range $82–$116 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Venlafaxine Hclbrand: Venlafaxine Hcl Er	215	34
Trazodone Hcl	200	35
Quetiapine Fumarate	157	21
Clonazepam	135	17
Zolpidem Tartrate	131	17
Escitalopram Oxalate	105	16

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$317 across 18 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2007-01-25
Last updated: 2013-09-30

Frequently asked questions

What is Shyam Vyas's NPI number?: Shyam Vyas's National Provider Identifier (NPI) is 1992850184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Shyam Vyas's specialty?: Shyam Vyas is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
Where is Shyam Vyas located?: Shyam Vyas's practice location on file with NPPES is 3516 Ne Stallings Dr, Nacogdoches, TX 75965.
What is Shyam Vyas's phone number?: The practice phone number listed in the NPPES registry for Shyam Vyas is (936) 560-0818.
Does Shyam Vyas accept Medicare?: Shyam Vyas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Shyam Vyas's NPI active?: Yes — Shyam Vyas's NPI (1992850184) is active in the NPPES registry as of the last update on 2013-09-30.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	237	$82
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	76	$116

Drug

Part D claims (2024)

Beneficiaries

Venlafaxine Hclbrand: Venlafaxine Hcl Er

215

200

157

135

131

105

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$317 across 18 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments