DR. GERALD Q GREENFIELD M.D.
NPI 1457393316
Orthopaedic Surgery in San Antonio, TX

Q: What is Gerald Greenfield's NPI number?

The NPI number for Gerald Greenfield is 1457393316. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Q: What is Gerald Greenfield's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for Gerald Greenfield was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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 June 12, 2006PECOS EnrolledAccepts Medicare Assignment

59.73/100

CMS Quality Rating

9150 HUEBNER RD STE 290, SAN ANTONIO, TX 78240(210) 614-6432(210) 293-1182 Get Directions Write a Review

NPPES record last updated: November 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 5, 2025, Mar 15, 2023, Aug 26, 2019 and 1 more (4 updates tracked since 2019).

On this page

About Dr. Gerald Q Greenfield M.d. NPPES

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

DR. GERALD Q GREENFIELD M.D. (NPI 1457393316) is an individual orthopaedic surgery provider in San Antonio, Texas, licensed in Texas (H7154) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and is a graduate of Johns Hopkins University School Of Medicine (1978).

NPPES Registry Identity

NPI1457393316

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameDR. GERALD Q GREENFIELDCredential: M.D.

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

Mailing Address9150 Huebner Rd Ste 290San Antonio, TX 78240-1598 · (210) 614-6432 · Fax (210) 293-1182

Phone(210) 614-6432

Fax(210) 293-1182

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 1978

Enumeration DateJune 12, 2006

Last NPPES UpdateNovember 5, 20254 updates tracked since enumeration

NPPES CertifiedNovember 5, 2025

✔ NPI 1457393316 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in TX · H7154

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Also ListedOrthopaedic Surgery · Orthopaedic Surgery of the SpineTaxonomy 207XS0117X · License H7154 (TX)

9150 HUEBNER RD STE 290, San Antonio, TX 78240

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Other Identifiers 1

Medicaid1457393316TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Community First and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gerald Q Greenfield M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214076116

PECOS Enrollment IDI20100611000443

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 Gerald Greenfield reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

South Texas Spinal Clinic, P.A.

9.3 mi

Orthopaedic Surgery

18626 HARDY OAK BLVD STE 300
San Antonio, TX 78258

Reassigned Medicare billing, Texas enrollment
22 clinicians in this Medicare group

NPI 1679506653 (210) 614-6432

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 18

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.

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.

187 services123 patients

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.

103 services37 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

99 services63 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

70 services46 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

59 services58 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

58 services36 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

50 services39 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

46 services41 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.

43 services43 patients

Aspiration and/or injection of fluid from medium joint 20605

This procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.

30 services24 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.

22 services21 patients

Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement 27236

This procedure involves treating a fracture at the top of your thigh bone. A stabilizing device or prosthetic replacement is placed to aid in healing. This helps restore mobility and function while reducing pain. The treatment aims for a quick and safe recovery.

21 services21 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

17 services17 patients

X-ray of both knees while standing 73565

An X-ray of both knees while standing is a diagnostic procedure that captures images of your knee joints. You'll stand in front of an X-ray machine, and it will take pictures showing the bones and tissues in your knees. This helps doctors identify any abnormalities or injuries.

17 services16 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

16 services16 patients

Treatment of broken neck of thigh bone with bone implant 27245

This procedure involves repairing a fractured thigh bone by inserting a bone implant. The implant helps stabilize the bone, allowing it to heal correctly. It's performed under anesthesia and requires a hospital stay for recovery.

15 services15 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

14 services11 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Baptist Medical Center

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450058

Location111 Dallas StreetSan Antonio, TX 78205 · Bexar County

Emergency services Birthing friendly

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number670055

Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78240 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

59.73/100

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

Individually scored

Quality

64.57

Promoting Interoperability

Improvement Activities

Cost

12.86

Reported Quality Measures

Advance Care Plan

30%518 patients2/55-star benchmark: 100%

Closing the Referral Loop: Receipt of Specialist Report

48%234 patients3/55-star benchmark: 87%

Colorectal Cancer Screening

17%508 patients1/55-star benchmark: 88%

Documentation of Current Medications in the Medical Record

89%1,586 patients4/55-star benchmark: 100%

e-Prescribing

99%115 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

77%447 patients4/55-star benchmark: 100%

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

81%792 patients4/55-star benchmark: 98%

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

54%781 patients3/55-star benchmark: 97%

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

Patients screened: 10% · 549 patients

10%549 patients

Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling

Patients screened: 29% · 380 patients

29%380 patients

Provide Patients Electronic Access to Their Health Information

62%298 patients3/55-star benchmark: 100%

Risk-standardized complication rate (RSCR) following elective primary total hip arthroplasty (THA) and/or total knee arthroplasty (TKA) for Merit-based Incentive Payment System (MIPS)

Lower rates are better for this measure.

0.03%

Screening for Osteoporosis for Women Aged 65-85 Years of Age

14%256 patients1/55-star benchmark: 98%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

83%30 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 467 patients

Patients totalRate: 3% · 467 patients

2%467 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.

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Physical Medicine & Rehabilitation