Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIANNE LOU M.D., PH.D.
NPI 1104270065
Anesthesiology - Pain Medicine in San Antonio, TX

Q: What is Dianne Lou's NPI number?

The NPI number for Dianne Lou is 1104270065. It was assigned to this individual provider in the NPPES registry on April 18, 2016.

Q: What is Dianne Lou's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Q: When was this NPI record last updated?

The NPPES record for Dianne Lou was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 18, 2016PECOS Enrolled

49.63/100

CMS Quality Rating

9150 HUEBNER RD STE 290, SAN ANTONIO, TX 78240(210) 293-9380(210) 293-9381 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 13, 2026, Nov 5, 2025, Aug 4, 2022 and 3 more (6 updates tracked since 2020).

On this page

About Dianne Lou M.d., Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANNE LOU M.D., PH.D. (NPI 1104270065) is an individual pain medicine provider in San Antonio, Texas, licensed in Texas (T6951) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Guadalupe Regional Medical Center, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1104270065

Entity TypeIndividualFemale

Primary Taxonomy207LP2900X

Provider Legal NameDIANNE LOUCredential: M.D., PH.D.

Location Address9150 HUEBNER RD STE 290San Antonio, TX 78240-1598

Mailing Address9150 Huebner Rd Ste 290San Antonio, TX 78240-1598 · (210) 293-9380 · Fax (210) 293-9381

Phone(210) 293-9380

Fax(210) 293-9381

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateApril 18, 2016

Last NPPES UpdateOctober 13, 20266 updates tracked since enumeration

NPPES CertifiedOctober 13, 2026

✔ NPI 1104270065 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207LP2900X

License✔ Licensed in TX · T6951

Definition

An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

Also ListedAnesthesiologyTaxonomy 207L00000X · License T6951 (TX)

9150 HUEBNER RD STE 290, San Antonio, TX 78240

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Other Identifiers 1

Medicaid1104270065TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dianne Lou M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2163715673

PECOS Enrollment IDI20220824000134

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Dianne Lou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

South Texas Spine & Surgical Hospital LP

8.5 mi

Diagnostic Radiology

115 GALLERY CIR
San Antonio, TX 78258

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: Orthopedic & Spine Surgical Hospital Of South Texas, L.P.
5 clinicians in this Medicare group

NPI 1467843581 (210) 265-8856

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 29

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

3,318 services373 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

1,054 services457 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

921 services68 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

460 services302 patients

Testing for presence of drug, by chemistry analyzers 80307

Chemistry analyzers are used to detect the presence of drugs in your system. This test involves taking a small sample of your blood or urine. The sample is then analyzed for specific substances. The results help in understanding your health condition better.

408 services311 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

309 services309 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

270 services204 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

173 services102 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

169 services123 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

161 services93 patients

Injection, ketorolac tromethamine, per 15 mg J1885

Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.

120 services28 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 64635

This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.

103 services91 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

102 services80 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint 64636

This procedure involves using imaging technology to locate and treat nerves in your lower spine or sacral area that may be causing pain. Each additional facet joint refers to treating more than one spinal nerve. It's a non-invasive way to manage chronic back pain.

95 services84 patients

Injection of upper or middle spine facet joint using imaging guidance, single level 64490

This procedure involves injecting medication into a joint in your upper or middle spine. It's performed under imaging guidance for precision. The aim is to reduce inflammation and pain. It's a single-level process, meaning one joint is treated at a time.

89 services52 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

80 services49 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

75 services56 patients

Injection of upper or middle spine facet joint using imaging guidance, second level 64491

This procedure involves injecting medication into the upper or middle spine facet joint, a small joint in your back. This is done under imaging guidance for precision. It's a second-level procedure, meaning it's done on two separate joints. It can help reduce pain and inflammation.

74 services43 patients

Injection of trigger points, 3 or more muscles 20553

Trigger point injection therapy involves injecting medication into specific areas of your muscles, known as trigger points. These are areas that produce pain and discomfort. If you have three or more muscles affected, each will be treated individually.

48 services39 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.

42 services33 patients

Injection of substance into middle or upper spine canal using imaging guidance 62321

This procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.

41 services33 patients

X-ray of middle and lower spine, 2 views 72080

An X-ray of the middle and lower spine, or 2-view lumbar spine X-ray, involves capturing images of your back. This helps detect issues like fractures, infections, or other abnormalities. It's painless and quick, taking only a few minutes.

37 services25 patients

Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet joint 64633

This procedure involves the use of imaging technology to guide a needle to the nerves of a single facet joint in the upper or middle spine. The nerves are then treated to alleviate pain and improve mobility.

36 services33 patients

Destruction of upper or middle spinal facet joint nerves using imaging guidance, each additional facet joint 64634

This procedure involves the use of imaging technology to accurately target and destroy nerves in the upper or middle spinal facet joints, which may be causing pain. Each additional facet joint treated follows the same process.

35 services32 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

31 services29 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

30 services29 patients

Insertion of spinal neurostimulator electrode array through skin 63650

This procedure involves placing a small device, called a neurostimulator electrode array, under your skin near your spine. It delivers mild electrical signals to your spinal cord, helping to manage chronic pain.

20 services11 patients

Injection of trigger points, 1-2 muscles 20552

Trigger point injection is a procedure used to treat painful areas of muscle that contain trigger points, or knots of muscle that form when muscles do not relax. 1-2 muscles are typically treated in one session. The procedure involves injecting medications into these points to alleviate pain.

17 services13 patients

Destruction of nerves supplying joint between spine and pelvis using imaging guidance 64625

This procedure involves the use of imaging technology to accurately locate and destroy specific nerves in the joint between your spine and pelvis. The goal is to reduce pain by interrupting the nerve signals responsible for your discomfort.

16 services13 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Guadalupe Regional Medical Center

Acute Care Hospitals · Seguin, TX

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number450104

Location1215 E Court StSeguin, TX 78155 · Guadalupe County

Emergency services Birthing friendly

Christus Santa Rosa Hospital-San Marcos

Acute Care Hospitals · San Marcos, TX

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450272

Location1301 Wonder World DriveSan Marcos, TX 78666 · Hays County

Emergency services Birthing friendly

South Texas Spine And Surgical Hospital

Acute Care Hospitals · San Antonio, TX

OwnershipPhysician

CMS Certification Number450856

Location18600 North Hardy Oak BlvdSan Antonio, TX 78258 · Bexar County

Emergency services

Uvalde Memorial Hospital

Critical Access Hospitals · Uvalde, TX

OwnershipGovernment - Hospital District or Authority

CMS Certification Number451387

Location1025 Garner Field RoadUvalde, TX 78801 · Uvalde County

Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

49.63/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

73.29

Promoting Interoperability

Improvement Activities

Cost

42.15

Reported Quality Measures

Breast Cancer Screening

9%447 patients1/55-star benchmark: 93%

Cervical Cancer Screening

2%336 patients1/55-star benchmark: 98%

Closing the Referral Loop: Receipt of Specialist Report

50%140 patients3/55-star benchmark: 87%

Controlling High Blood Pressure

46%39 patients3/55-star benchmark: 91%

Diabetes: Eye Exam

0%38 patients1/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

100%38 patients1/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

99%3,380 patients4/55-star benchmark: 100%

e-Prescribing

98%398 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

80%746 patients4/55-star benchmark: 100%

HIV Screening

0%719 patients1/55-star benchmark: 60%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

39%1,421 patients2/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

62%1,385 patients3/55-star benchmark: 97%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

28%3,115 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 45% · 1,279 patients

Patients screened: 46% · 1,279 patients

62%58 patients3/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

84%760 patients4/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

90%84 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 2% · 731 patients

Patients totalRate: 11% · 772 patients

10%772 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. STEPHANIE NAOMI PEARSON M.D.

Physical Medicine & Rehabilitation