GRAMERCY SURGERY CENTER, LTD
NPI 1225091630
Clinic/Center - Ambulatory Surgical in Houston, TX

NPI Status: Active since April 07, 2006

Contact Information

2727 GRAMERCY ST
HOUSTON, TX
ZIP 77025
Phone: (713) 660-6900
Fax: (713) 660-0704

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • Accepts Insurance

About GRAMERCY SURGERY CENTER, LTD

This page provides the complete NPI Profile along with additional information for Gramercy Surgery Center, Ltd, a provider established in Houston, Texas operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1225091630 assigned on April 2006. The practitioner's primary taxonomy code is 261QA1903X with license number 239 (TX). The provider is registered as an organization and their NPI record was last updated June 2026. The authorized official of this NPI record is David Mcknight (Vp/cfo)

NPI
1225091630
Provider Name
GRAMERCY SURGERY CENTER, LTD
Entity Type
Organization
Location Address
2727 GRAMERCY ST HOUSTON, TX 77025
Location Phone
(713) 660-6900
Location Fax
(713) 660-0704
Mailing Address
2727 GRAMERCY ST HOUSTON, TX 77025
Mailing Phone
(713) 660-6900
Mailing Fax
(713) 660-0704
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-07-2006
Last Update Date
06-12-2026
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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

Clinic/Center Ambulatory Surgical

Taxonomy Code
261QA1903X
Type
Ambulatory Health Care Facilities
License No.
239
License State
TX

Insurance Plans Accepted

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

  • Choice Bronze HSA - HMO
  • Choice Bronze HSA + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Complete Silver - HMO
  • Complete Silver + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Choice Bronze HSA (QualChoice) - POS
  • Complete Gold - PPO
  • Complete Gold + Vision + Adult Dental - PPO
  • Connected Silver - PPO
  • Connected Silver (QualChoice) - POS
  • Connected Silver (QualChoice) + Vision + Adult Dental - POS
  • Connected Silver (QualChoiceLife) - PPO
  • Connected Silver (QualChoiceLife) + Vision + Adult Dental - PPO
  • Connected Silver + Vision + Adult Dental - PPO
  • Elite Bronze - PPO
  • Elite Bronze + Vision + Adult Dental - PPO
  • Elite Gold (QualChoice) - POS
  • Elite Gold (QualChoice) + Vision + Adult Dental - POS
  • Elite Gold (QualChoiceLife) - PPO
  • Elite Gold (QualChoiceLife) + Vision + Adult Dental - PPO
  • Everyday Bronze - PPO
  • Everyday Bronze + Vision + Adult Dental - PPO
  • Standard Expanded Bronze - PPO
  • Standard Expanded Bronze (QualChoice) - POS
  • Standard Expanded Bronze + Vision + Adult Dental - PPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Gold - EPO
  • Elite Gold + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Complete VALUE Gold - HMO
  • Enhanced Diabetes Care Silver with $0 Drug Options - EPO
  • Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Focused VALUE Silver - HMO
  • Focused VALUE Silver + Vision + Adult Dental - HMO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Gold VALUE - HMO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Standard Silver VALUE - HMO
  • Standard Silver VALUE + Vision + Adult Dental - HMO
  • Clarity VALUE Silver - HMO
  • Complete VALUE Gold - HMO
  • Elite VALUE Bronze - HMO
  • Focused VALUE Silver - HMO
  • Standard Expanded Bronze VALUE - HMO
  • Standard Gold VALUE - HMO
  • Standard Silver VALUE - HMO
  • Elite Bronze - PPO
  • Elite Bronze + Vision + Adult Dental - PPO
  • Elite Gold - PPO
  • Elite Gold + Vision + Adult Dental - PPO
  • Enhanced Asthma/COPD Care Silver with $0 Drug Options - PPO
  • Enhanced Asthma/COPD Care Silver with $0 Drug Options + Vision + Adult Dental - PPO
  • Enhanced Diabetes Care Silver with $0 Drug Options - PPO
  • Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - PPO
  • Everyday Bronze - PPO
  • Everyday Bronze + Vision + Adult Dental - PPO
  • Everyday Gold - PPO
  • Everyday Gold + Vision + Adult Dental - PPO
  • Focused Silver - PPO
  • Focused Silver + Vision + Adult Dental - PPO
  • Standard Expanded Bronze - PPO
  • Standard Expanded Bronze + Vision + Adult Dental - PPO
  • Standard Gold - PPO
  • Standard Gold + Vision + Adult Dental - PPO
  • Standard Silver - PPO
  • Standard Silver + Vision + Adult Dental - PPO
  • Blue Advantage Bronze HMO? 204 - HMO
  • Blue Advantage Bronze HMO? 301 - HMO
  • Blue Advantage Bronze HMO? Standard - HMO
  • Blue Advantage Gold HMO? 206 - HMO
  • Blue Advantage Gold HMO? 603 - HMO
  • Blue Advantage Gold HMO? Standard - HMO
  • Blue Advantage Plus Bronze? 303 - POS
  • Blue Advantage Plus Bronze? 305 - POS
  • Blue Advantage Plus Bronze? Standard - POS
  • Blue Advantage Plus Gold? 203 - POS
  • Blue Advantage Plus Gold? 803 - POS
  • Blue Advantage Plus Gold? Standard - POS
  • Blue Advantage Plus Silver? 202 - POS
  • Blue Advantage Plus Silver? 605 - POS
  • Blue Advantage Plus Silver? Standard - POS
  • Blue Advantage Security HMO? 200 - HMO
  • Blue Advantage Silver HMO? 205 - HMO
  • Blue Advantage Silver HMO? 801 - HMO
  • Blue Advantage Silver HMO? Standard - HMO
  • MyBlue Health Bronze? 402 - HMO
  • Community Premier Bronze 003 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Community Premier Bronze 018 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Community Premier Gold 005 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Community Premier Gold 021 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Community Premier Silver 012 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Community Premier Silver 020 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Molina Gold Core 1640 - HMO
  • Molina Gold Core 1640 Plus with Adult Dental and Vision - HMO
  • Molina Gold Core 1640 Plus with Adult Vision - HMO
  • Molina Gold Saver 750 - HMO
  • Molina Gold Saver 750 Plus with Adult Dental and Vision - HMO
  • Molina Gold Saver 750 Plus with Adult Vision - HMO
  • Molina Gold Standard - HMO
  • Molina Silver Core - HMO
  • Molina Silver Core Plus with Adult Dental and Vision - HMO
  • Molina Silver Core Plus with Adult Vision - HMO
  • Molina Silver Saver with Four Free PCP Visits - HMO
  • Molina Silver Standard - HMO
  • Bronze Classic 4700 - EPO
  • Bronze Classic Standard - EPO
  • Bronze Elite + PCP Saver Plus - EPO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits - EPO
  • Bronze Simple Chronic Care CKM - EPO
  • Bronze Simple Diabetes - EPO
  • Gold Classic - EPO
  • Gold Classic Guided Care - HMO
  • Gold Classic Standard - EPO
  • Gold Classic Standard Guided Care - HMO
  • Gold Elite - EPO
  • Gold Simple Diabetes Guided Care - HMO
  • Gold Simple Guided Care - HMO
  • Silver Classic - EPO
  • Silver Classic Standard - EPO
  • Silver Classic Standard Guided Care - HMO
  • Silver Simple Breathe Easy with Enhanced COPD Benefits Guided Care - HMO
  • Silver Simple Chronic Care CKM Guided Care - HMO
  • Silver Simple Diabetes Guided Care - HMO
  • Silver Simple Guided Care - HMO
  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Essential ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Standard - HMO
  • UHC Bronze Standard+ (Dental + Vision) - HMO
  • UHC Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
  • UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Gold Standard - HMO
  • UHC Kelsey-Seybold Bronze Copay Focus $0 Indiv Med Ded - HMO
  • UHC Kelsey-Seybold Bronze Copay Focus+ $0 Indiv Med Ded (Dental + Vision) - HMO
  • UHC Kelsey-Seybold Gold Copay Focus $0 Indiv Med Ded ($8 Tier 2 Rx) - HMO
  • UHC Kelsey-Seybold Gold Copay Focus+ $0 Indiv Med Ded ($8 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Kelsey-Seybold Silver Copay Focus $0 Indiv Med Ded - HMO
  • UHC Kelsey-Seybold Silver Copay Focus+ $0 Indiv Med Ded (Dental + Vision) - HMO
  • UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx) - HMO
  • UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Silver Standard - HMO
  • UHC Silver Value ($0 Virtual Urgent Care) - HMO
  • UHC Silver Value+ ($0 Virtual Urgent Care, Dental + Vision) - HMO

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

DAVID MCKNIGHT

Authorized Official Title
VP/CFO
Authorized Official Phone
(972) 789-2816

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
085887001MEDICAID (05)TX 

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Complex removal of cataract with insertion of prosthetic lens

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

This service was performed 83 times for 65 patients

Complex repair of detached retina and drainage of eye fluid between lens and retina

This procedure involves reattaching your detached retina, a vital layer at the back of your eye. Simultaneously, excess fluid between your lens and retina is drained. This helps restore vision and prevent further eye damage.

This service was performed 47 times for 37 patients

Destruction of eye fluid (vitreous) between lens and retina and all of retina using a laser

This procedure involves using a laser to eliminate the fluid (vitreous) between your lens and retina, along with the entire retina. It's a method often used to treat various eye conditions and improve eye health.

This service was performed 26 times for 25 patients

Destruction of eye fluid (vitreous) between lens and retina using a laser

This procedure involves applying a laser to the eye's vitreous fluid, located between the lens and retina. The laser's heat destroys the vitreous, helping to treat specific eye conditions. The process is safe, typically painless, and can significantly improve vision quality.

This service was performed 20 times for 20 patients

Exchange of prosthetic lens

An exchange of a prosthetic lens involves replacing an artificial lens in your eye. This is often done if the current lens isn't functioning properly or causing discomfort. The procedure involves removing the old lens and inserting a new one, aiming to improve your vision.

This service was performed 15 times for 15 patients

Injection, non-radioactive, non-contrast, visualization adjunct (e.g., methylene blue, isosulfan blue), 1 mg

This procedure involves an injection of a non-radioactive, non-contrast substance like methylene blue or isosulfan blue. It's used to enhance visualization during certain medical procedures, improving accuracy and safety.

This service was performed 399 times for 184 patients

Processing, preserving and transporting corneal tissue

Processing, preserving, and transporting corneal tissue involve careful steps to ensure its viability for transplantation. The tissue is first cleaned, then preserved in a special solution. It's packed in a temperature-controlled container for safe transport to its destination.

This service was performed 33 times for 28 patients

Realignment of eye by repair of 2 horizontal muscles

This procedure involves adjusting two horizontal muscles in your eye to improve alignment. It's like a tune-up for your eyes, helping them to work together better. This can correct issues like crossed or misaligned eyes, improving your vision and eye comfort.

This service was performed 14 times for 14 patients

Realignment of horizontal eye muscle

Realignment of horizontal eye muscle is a surgical procedure to correct strabismus, a condition where your eyes don't align properly. The surgeon adjusts the muscles that control eye movement, improving coordination and focus. This helps to restore normal eye alignment and functioning.

This service was performed 30 times for 23 patients

Realignment of vertical eye muscle

Realignment of vertical eye muscle is a surgical procedure aimed to correct problems with eye movement or alignment. This involves adjusting the length or position of eye muscles, helping your eyes to focus together properly. It's a common solution for conditions like strabismus (crossed eyes).

This service was performed 25 times for 23 patients

Removal of cataract with insertion of prosthetic lens

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

This service was performed 148 times for 107 patients

Removal of excessive skin and fat of upper eyelid

This procedure, also known as upper eyelid surgery, is performed to remove excess skin and fat from the upper eyelid. It can help improve vision if heavy eyelids hinder it, and can also enhance the appearance of the eyes. It's a common, safe procedure.

This service was performed 22 times for 11 patients

Removal of eye fluid (vitreous) between lens and retina

This procedure, known as a vitrectomy, involves removing some or all of the vitreous humor, the clear gel-like substance in the eye. It's done to treat various eye conditions, like retinal detachment or macular hole. The aim is to improve or stabilize vision. It's performed under local or general anesthesia.

This service was performed 74 times for 67 patients

Removal of implant material from inside of eye

This is a procedure to take out implant material from your eye that may have been placed during a previous surgery. It's typically done when the implant is causing discomfort or vision issues. The process is performed by a specialist under local or general anesthesia.

This service was performed 12 times for 12 patients

Removal of membrane of retina

Removal of the retina's membrane is a surgical procedure aimed at treating eye conditions affecting the retina's function. It involves a delicate operation to eliminate scar tissue or membranes causing vision problems. The procedure can help improve or stabilize vision.

This service was performed 17 times for 17 patients

Removal of membrane of retina with removal of internal limiting membrane of retina

This procedure involves the surgical removal of a thin layer, called the membrane, from the retina. It also includes the removal of the innermost layer of the retina, known as the internal limiting membrane. This can help improve vision.

This service was performed 110 times for 110 patients

Removal of recurring cataract in lens capsule using a laser

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

This service was performed 33 times for 28 patients

Repair of detached retina with drainage and removal of eye fluid between lens and retina

This procedure addresses a detached retina, a serious eye condition. It involves draining fluid from between the lens and retina, allowing the retina to reattach. Then, the eye fluid is removed to prevent future detachments. It's a crucial step for vision restoration.

This service was performed 49 times for 47 patients

Transplantation of outer layer of corneal tissue

The transplantation of the outer layer of corneal tissue is a procedure to replace damaged or diseased corneal tissue with healthy tissue from a donor. This can improve vision and alleviate pain or discomfort.

This service was performed 29 times for 25 patients

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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 1225091630, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
3
Doubled → 6
Check
0
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 2 → 4 0 → 0 1 → 2 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 0 + 9 + 2 + 6 + 6 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1225091630.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Anesthesiology
2727 GRAMERCY ST
HOUSTON, TX 77025
Obstetrics & Gynecology
2727 GRAMERCY ST
HOUSTON, TX 77025
Anesthesiology
2727 GRAMERCY ST
HOUSTON, TX 77025
Pediatrics
2727 GRAMERCY ST, SUITE #225
HOUSTON, TX 77025
Ophthalmology
2727 GRAMERCY ST, SUITE 200
HOUSTON, TX 77025
Nurse Anesthetist, Certified Registered
2727 GRAMERCY ST
HOUSTON, TX 77025
Nurse Anesthetist, Certified Registered
2727 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2727 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2727 GRAMERCY ST, SUITE 200
HOUSTON, TX 77025
Ophthalmology
2727 GRAMERCY ST, SUITE 200
HOUSTON, TX 77025
Ophthalmology
2727 GRAMERCY ST, SUITE 200
HOUSTON, TX 77025
Ophthalmology
2727 GRAMERCY ST, SUITE 200
HOUSTON, TX 77025
Pediatrics
2727 GRAMERCY ST, SUITE #225
HOUSTON, TX 77025

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225091630, enumerated as an "organization" on April 07, 2006.

The provider is located at 2727 GRAMERCY ST HOUSTON, TX 77025 and the phone number is (713) 660-6900.

Clinic/Center with taxonomy code 261QA1903X and a focus in Ambulatory Surgical.

The provider might be accepting Accepts: Ambetter from Arizona Complete Health, Ambetter. Please consult your insurance carrier or call the provider to verify.