MARIA ISABEL BACAY MD
NPI 1679599070
Internal Medicine in Manteca, CA

Q: What is Maria Bacay's NPI number?

The NPI number for Maria Bacay is 1679599070. It was assigned to this individual provider in the NPPES registry on July 15, 2006.

Q: What is Maria Bacay's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Maria Bacay was last updated on January 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 July 15, 2006PECOS EnrolledAccepts Medicare Assignment

82.95/100

CMS Quality Rating

1140 NORMAN DR, SUITE 103, MANTECA, CA 95336(209) 825-6331(209) 825-6351 Get Directions Write a Review

NPPES record last updated: January 2, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Maria Isabel Bacay Md NPPES

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

MARIA ISABEL BACAY MD (NPI 1679599070) is an individual internal medicine provider in Manteca, California, licensed in California (A51759) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1985).

NPPES Registry Identity

NPI1679599070

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMARIA ISABEL BACAYCredential: MD

Location Address1140 NORMAN DR, SUITE 103Manteca, CA 95336-5900

Mailing Address1140 Norman Dr, Suite 103Manteca, CA 95336-5900 · (209) 825-6331 · Fax (209) 825-6351

Phone(209) 825-6331

Fax(209) 825-6351

Sole ProprietorNo

Medical School CMSOtherGraduated 1985

Enumeration DateJuly 15, 2006

Last NPPES UpdateJanuary 2, 2008

✔ NPI 1679599070 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A51759

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1140 NORMAN DR, Manteca, CA 95336

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Other Identifiers 2

Medicare UPINF67673CA

MedicaidGR0099130CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maria Isabel Bacay Md 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 ID6406878065

PECOS Enrollment IDI20081008000248

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.

Areas of Expertise CMS Part B claims 13

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.

474 services185 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.

163 services100 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

153 services93 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

108 services105 patients

Annual alcohol misuse screening, 5 to 15 minutes G0442

An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.

100 services100 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

99 services99 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

99 services99 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

49 services13 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

36 services22 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.

30 services25 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

15 services15 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

15 services13 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95336 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

$133.94 typical visit price

range $58.87 – $176.60

Typical copayment $33.48 (range $14.71 – $44.15)

Most-billed visit code 99204

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

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.

82.95/100

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

Individually scored

Quality

84.66

Promoting Interoperability

Improvement Activities

Cost

Reported Quality Measures

Adult Major Depressive Disorder (MDD): Suicide Risk Assessment

0%60 patients

Appropriate Treatment for Upper Respiratory Infection (URI)

80%163 patients4/55-star benchmark: 100%

Breast Cancer Screening

25%313 patients2/55-star benchmark: 93%

Cervical Cancer Screening

10%73 patients1/55-star benchmark: 98%

Colorectal Cancer Screening

47%419 patients3/55-star benchmark: 88%

Controlling High Blood Pressure

67%455 patients3/55-star benchmark: 91%

Diabetes: Eye Exam

45%173 patients2/55-star benchmark: 100%

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

Lower rates are better for this measure.

31%173 patients4/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

60%3,230 patients2/55-star benchmark: 100%

e-Prescribing

100%9,748 patients5/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

23%727 patients1/55-star benchmark: 100%

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

36%835 patients2/55-star benchmark: 98%

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

34%561 patients2/55-star benchmark: 97%

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

26%647 patients2/55-star benchmark: 61%

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

Patients combinedPopulations: 90% · 741 patients

Patients screened: 94% · 741 patients

30%40 patients2/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

46%784 patients2/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

88%448 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 11% · 747 patients

Patients totalRate: 20% · 747 patients

21%747 patients2/55-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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

11 suppliers35 claims88 services$5.10 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

7 suppliers14 claims21 services$0.94 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier13 claims13 services$12.55 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

5 suppliers28 claims28 services$78.17 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

3 suppliers16 claims1,566 services$0.09 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

5 suppliers35 claims35 services$197.48 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 8

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

SUSAN NYLEN NFP

Family Medicine (Addiction Medicine)

1140 NORMAN DR, SUITE 101
MANTECA, CA 95336

San Joaquin County (209) 825-7748

CASSANDRA JUNE MCCURDY MSN,NP-C

Nurse Practitioner

1140 NORMAN DR, SUITE 103
MANTECA, CA 95336

San Joaquin County (209) 825-6331

RHONDA M. BRAZIL N.P.

Nurse Practitioner (Family)

1140 NORMAN DR
MANTECA, CA 95336

San Joaquin County (209) 825-7748

BERNARD SONGCO BACAY MD

Internal Medicine

1140 NORMAN DR, STE 103
MANTECA, CA 95336

San Joaquin County (209) 825-6331

BACAY-ARUIZA MEDICAL ASSOCIATES INC

Internal Medicine

1140 NORMAN DR, SUITE 103
MANTECA, CA 95336

San Joaquin County (209) 825-6331

DR. CRAIG BOBSON M.D

Family Medicine (Adult Medicine)

1140 NORMAN DR, SUITE 101
MANTECA, CA 95336

San Joaquin County (209) 825-7748

CRAIG BOBSON NORTH STREET FAMILY PRACTICE

Family Medicine (Adult Medicine)

1140 NORMAN DR, SUITE 101
MANTECA, CA 95336

San Joaquin County (209) 825-7748

DR. ANIL K SAIN MD

Internal Medicine

1140 NORMAN DR, SUITE 1
MANTECA, CA 95336

San Joaquin County (209) 825-7748

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 Maria Bacay's NPI number?

The NPI number for Maria Bacay is 1679599070. It was assigned to this individual provider in the NPPES registry on July 15, 2006.

Where is Maria Bacay located?

Maria Bacay practices at 1140 Norman Dr Suite 103, Manteca, CA 95336. The listed phone number is (209) 825-6331.

What is Maria Bacay's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Maria Bacay enrolled in Medicare?

Yes. Maria Bacay 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.

When was this NPI record last updated?

The NPPES record for Maria Bacay was last updated on January 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.