MONTASER SHAHEEN M.D.
NPI 1801860168
Internal Medicine - Hematology in San Antonio, TX

Q: What is Montaser Shaheen's NPI number?

The NPI number for Montaser Shaheen is 1801860168. It was assigned to this individual provider in the NPPES registry on February 14, 2006.

Q: What is Montaser Shaheen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Q: When was this NPI record last updated?

The NPPES record for Montaser Shaheen was last updated on December 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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 February 14, 2006PECOS EnrolledAccepts Medicare Assignment

79.54/100

CMS Quality Rating

7979 WURZBACH RD STE 2222, SAN ANTONIO, TX 78229(210) 450-1143(210) 450-0407 Get Directions Write a Review

NPPES record last updated: December 1, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 1, 2022, Apr 8, 2022, Mar 22, 2017 (3 updates tracked since 2017).

On this page

About Montaser Shaheen M.d. NPPES

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

MONTASER SHAHEEN M.D. (NPI 1801860168) is an individual hematology provider in San Antonio, Texas, licensed in Texas (47683) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Gila Regional Medical Center, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1801860168

Entity TypeIndividualMale

Primary Taxonomy207RH0000X

Provider Legal NameMONTASER SHAHEENCredential: M.D.

Location Address7979 WURZBACH RD STE 2222San Antonio, TX 78229-4427

Mailing Address7979 Wurzbach Rd Ste 2222San Antonio, TX 78229-4427 · (210) 450-1143 · Fax (210) 450-0407

Phone(210) 450-1143

Fax(210) 450-0407

Sole ProprietorNo

Medical School CMSOtherGraduated 1996

Enumeration DateFebruary 14, 2006

Last NPPES UpdateDecember 1, 20223 updates tracked since enumeration

NPPES CertifiedDecember 1, 2022

✔ NPI 1801860168 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0000X

License✔ Licensed in TX · 47683

Definition

An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.

Also ListedInternal MedicineTaxonomy 207R00000X · License 47683 (TX)

Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License MD2008-0796 (NM)

Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 47683 (TX)

7979 WURZBACH RD STE 2222, San Antonio, TX 78229

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community First, 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 and accepts Medicare assignment

Montaser Shaheen 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 ID749276251

PECOS Enrollment IDI20090706000377, I20221122000191

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 Reassignments

Medicare enrollment records show Montaser Shaheen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Texas Health Science Center At San Antonio

Same address

Clinical Medical Laboratory

7979 WURZBACH RD
San Antonio, TX 78229

Reassigned Medicare billing, Texas enrollment
2,397 clinicians in this Medicare group

NPI 1538304043 (210) 450-5782

Masoud Khorsand- Sahbaie MD P A

442 mi

Hematology & Oncology

400 MILITARY HEIGHTS PL
Roswell, NM 88201

Reassigned Medicare billing, New Mexico enrollment
35 clinicians in this Medicare group

NPI 1932187044 (575) 627-9500

Gila Regional Medical Center

577 mi

Family Medicine

901 S. GOLD AVENUE
Deming, NM 88030

Reassigned Medicare billing, New Mexico enrollment
Also billed through NPI 1730722265 (New Mexico)
31 clinicians in this Medicare group

NPI 1497301824 (575) 538-4130

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 21

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, nivolumab, 1 mg J9299

Nivolumab is a medication given via injection, often used in cancer treatment. It works by helping your immune system fight the cancer cells. The dosage is measured in milligrams (mg), with 1 mg being a common dose.

15,020 services18 patients

Injection, pembrolizumab, 1 mg J9271

Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.

9,800 services21 patients

Injection, fosaprepitant, 1 mg J1453

Fosaprepitant is an anti-nausea medication given via injection. It's often used to prevent nausea and vomiting caused by chemotherapy. This injection blocks signals to the brain that trigger these symptoms, helping you feel better.

3,300 services11 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

1,860 services11 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.

666 services33 patients

Injection, ondansetron hydrochloride, per 1 mg J2405

Ondansetron hydrochloride is a medication given via injection to help prevent nausea and vomiting, often due to chemotherapy or surgery. It works by blocking certain chemicals in the body that trigger these symptoms.

364 services22 patients

Injection, palonosetron hcl, 25 mcg J2469

Palonosetron HCL is an injection used to prevent nausea and vomiting caused by chemotherapy. It works by blocking a natural substance (serotonin) in the body that can cause vomiting. This helps improve your comfort during cancer treatment.

230 services12 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

171 services92 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.

129 services56 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.

129 services56 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

128 services43 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

70 services38 patients

Infusion, normal saline solution, 250 cc J7050

An infusion of normal saline solution, 250 cc, involves administering a sterile saltwater solution into your body through a vein, usually in your arm. This helps to replenish fluids, maintain hydration, and balance electrolytes in your body.

70 services17 patients

Injection, diphenhydramine hcl, up to 50 mg J1200

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

40 services21 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

35 services13 patients

Administration of additional new drug or substance into vein, 1 hour or less 96417

This procedure involves introducing a new drug or substance into your vein, typically via an IV drip. It lasts for an hour or less. This method allows the substance to quickly reach your bloodstream, ensuring rapid and effective treatment.

34 services18 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.

33 services21 patients

Infusion into a vein for hydration, each additional hour 96361

This procedure involves delivering fluids directly into your vein to keep your body hydrated. It is typically done when oral hydration is insufficient. Each additional hour means more fluid is infused to ensure adequate hydration.

30 services20 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

26 services22 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.

24 services24 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

23 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Gila Regional Medical Center

Critical Access Hospitals · Silver City, NM

OwnershipGovernment - Local

CMS Certification Number321311

Location1313 E 32nd StSilver City, NM 88061 · Grant County

Emergency services Birthing friendly

University Health System

Acute Care Hospitals · San Antonio, TX

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450213

Location4502 Medical DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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

$166.88 typical visit price

range $54.84 – $166.88

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

Most-billed visit code 99205

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

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.

79.54/100

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

Scored as part of a group practice

Quality

77.27

Improvement Activities

Cost

64.53

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Montaser Shaheen's NPI number?

The NPI number for Montaser Shaheen is 1801860168. It was assigned to this individual provider in the NPPES registry on February 14, 2006.

Where is Montaser Shaheen located?

Montaser Shaheen practices at 7979 Wurzbach Rd Ste 2222, San Antonio, TX 78229. The listed phone number is (210) 450-1143.

What is Montaser Shaheen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Montaser Shaheen enrolled in Medicare?

Yes. Montaser Shaheen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Montaser Shaheen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Montaser Shaheen reassigns Medicare benefits to 3 organizations: University Of Texas Health Science Center At San Antonio (San Antonio, TX), Masoud Khorsand- Sahbaie MD P A (Roswell, NM) and Gila Regional Medical Center (Deming, NM). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Montaser Shaheen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Montaser Shaheen accept?

Health plans from Blue Cross and Blue Shield of Texas, Community First and Imperial Insurance Companies, Inc. list Montaser Shaheen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Montaser Shaheen affiliated with any hospitals?

According to CMS data, Montaser Shaheen is affiliated with Gila Regional Medical Center and University Health System.

When was this NPI record last updated?

The NPPES record for Montaser Shaheen was last updated on December 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.