SIRAJ K AHMED M.D.
NPI 1265513121
Internal Medicine - Pulmonary Disease in Manteca, CA

Q: What is Siraj Ahmed's NPI number?

The NPI number for Siraj Ahmed is 1265513121. It was assigned to this individual provider in the NPPES registry on October 18, 2006.

Q: What is Siraj Ahmed's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Siraj Ahmed was last updated on October 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 October 18, 2006PECOS EnrolledAccepts Medicare Assignment

520 E CENTER ST, MANTECA, CA 95336(209) 665-7054(209) 647-4805 Get Directions Write a Review

NPPES record last updated: October 3, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 3, 2019, Jan 28, 2019 (2 updates tracked since 2019).

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About Siraj K Ahmed M.d. NPPES

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

SIRAJ K AHMED M.D. (NPI 1265513121) is an individual pulmonary disease provider in Manteca, California, licensed in Indiana (01041335A) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1265513121

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameSIRAJ K AHMEDCredential: M.D.

Location Address520 E CENTER STManteca, CA 95336-4720

Mailing Address1112 North Main Street, Pmb 311Manteca, CA 95336-3208 · (209) 665-7054 · Fax (209) 647-4805

Phone(209) 665-7054

Fax(209) 647-4805

Sole ProprietorNo

Medical School CMSOtherGraduated 1987

Enumeration DateOctober 18, 2006

Last NPPES UpdateOctober 3, 20192 updates tracked since enumeration

✔ NPI 1265513121 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in IN · 01041335A

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 01041335A (IN)

520 E CENTER ST, Manteca, CA 95336

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Other Identifiers 2

OtherCA238933Medicare

Medicaid1265513121CA

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

Siraj K Ahmed 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 ID4880677848

PECOS Enrollment IDI20170317001494

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 Siraj Ahmed reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Siraj K Ahmed MD Inc

Same address

Pulmonary Disease

520 E CENTER ST
Manteca, CA 95336

Reassigned Medicare billing, California enrollment

NPI 1396282406 (209) 665-7054

San Joaquin Critical Care Medical Group, Inc.

15 mi

Pulmonary Disease

1801 E MARCH LN STE C300, STE C300
Stockton, CA 95210

Reassigned Medicare billing, California enrollment
10 clinicians in this Medicare group

NPI 1841780301 (209) 464-6422

Kiritkumar B Patel MD Inc

15 mi

Pulmonary Disease

201 E ORANGEBURG AVE STE E
Modesto, CA 95350

Reassigned Medicare billing, California enrollment
6 clinicians in this Medicare group

NPI 1750487021 (209) 522-8881

Permanente Medical Group Inc

16 mi

Internal Medicine

7373 WEST LANE
Stockton, CA 95210

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1548343510 (209) 476-2000

Sutter Valley Medical Foundation

16 mi

Multi-Specialty

600 COFFEE RD
Modesto, CA 95355

Reassigned Medicare billing, California enrollment
3,056 clinicians in this Medicare group

NPI 1669846986 (209) 524-1211

Sonora Community Hospital

48 mi

General Acute Care Hospital

1000 GREENLEY RD
Sonora, CA 95370

Reassigned Medicare billing, California enrollment
172 clinicians in this Medicare group

NPI 1780673376 (209) 536-5000

Valley Hyperbaric Center Inc

65 mi

Undersea and Hyperbaric Medicine

333 SUNRISE AVE STE 890
Roseville, CA 95661

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1033787239 (916) 771-2555

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 19

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.

Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval G0277

Hyperbaric oxygen therapy involves breathing pure oxygen in a pressurized room or tube. You'll be in a full body chamber for 30-minute intervals. This high-pressure environment allows your lungs to gather more oxygen, which can promote healing and fight infection.

1,621 services25 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

586 services171 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

468 services133 patients

Management of oxygen chamber therapy 99183

Oxygen chamber therapy involves breathing pure oxygen in a pressurized room or tube. It's used to treat various conditions like wounds that won't heal due to diabetes or radiation injury. In this therapy, your body's tissues get more oxygen to promote healing and fight infection.

420 services25 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

320 services180 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

263 services185 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.

206 services136 patients

Sleep study including heart rate, breathing, and sleep time 95800

A sleep study monitors your sleep patterns to evaluate your sleep quality. It records your heart rate, breathing, and actual sleep time. This information helps identify any sleep disorders, ensuring you get the rest you need for optimal health.

157 services57 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

136 services126 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

127 services117 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

119 services115 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

119 services115 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.

107 services107 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.

85 services67 patients

Face-to-face behavioral counseling for obesity, 15 minutes G0447

This is a 15-minute consultation where a healthcare professional discusses your eating habits, physical activity, and goals to help manage your weight. The aim is to provide personalized strategies to promote a healthier lifestyle and combat obesity.

46 services40 patients

Irrigation and suction of lung airways to obtain cells using an endoscope 31624

This is a procedure where a thin, flexible tube called an endoscope is inserted through your mouth into the lungs. A small amount of saline is then introduced to wash the airways. The fluid, along with cells from the lung, is suctioned back for analysis.

14 services13 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

14 services14 patients

Emergent insertion of breathing tube into windpipe using an endoscope 31500

This is a procedure where a thin tube is inserted into your windpipe to aid in breathing. It's done in emergency situations, using an endoscope, a tool with a light and camera, to ensure correct placement.

12 services12 patients

Manual attempt to restore blood circulation and breathing 92950

This procedure, known as cardiopulmonary resuscitation (CPR), involves chest compressions and rescue breaths to help maintain blood flow and oxygen supply when your heart and breathing have stopped. It's a vital emergency response to save lives.

12 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.

Referred Medical Equipment & Supplies CMS DME claims 9

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

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

DME-Oxygen and Supplies · category DC000N

2 suppliers34 claims34 services$14.80 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

2 suppliers46 claims46 services$778.90 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

3 suppliers72 claims73 services$3.25 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

4 suppliers110 claims110 services$73.11 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers59 claims59 services$33.30 avg. paid by Medicare

Formoterol fumarate, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 20 micrograms J7606

DME-Drugs Administered Through DME · category DG006N

1 supplier13 claims720 services$6.27 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 4

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

VALLEY HYPERBARIC CENTER, INC.

Preventive Medicine (Undersea and Hyperbaric Medicine)

520 E CENTER ST
MANTECA, CA 95336

San Joaquin County (209) 823-2131

DR. LINDA J BOUCHARD M.D.

Obstetrics & Gynecology

520 E CENTER ST
MANTECA, CA 95336

San Joaquin County (209) 860-4393

SIRAJ K AHMED MD INC

Internal Medicine (Pulmonary Disease)

520 E CENTER ST
MANTECA, CA 95336

San Joaquin County (209) 665-7054

VALLEY HYPERBARIC CENTER

Emergency Medicine (Undersea and Hyperbaric Medicine)

520 E CENTER ST
MANTECA, CA 95336

San Joaquin County (209) 823-2131

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 Siraj Ahmed's NPI number?

The NPI number for Siraj Ahmed is 1265513121. It was assigned to this individual provider in the NPPES registry on October 18, 2006.

Where is Siraj Ahmed located?

Siraj Ahmed practices at 520 E Center St, Manteca, CA 95336. The listed phone number is (209) 665-7054.

What is Siraj Ahmed's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Siraj Ahmed enrolled in Medicare?

Yes. Siraj Ahmed 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 Siraj Ahmed's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Siraj Ahmed reassigns Medicare benefits to 7 organizations: Siraj K Ahmed MD Inc (Manteca, CA), San Joaquin Critical Care Medical Group, Inc. (Stockton, CA), Kiritkumar B Patel MD Inc (Modesto, CA), Permanente Medical Group Inc (Stockton, CA), Sutter Valley Medical Foundation (Modesto, CA) and 2 more organizations, listed in the Medicare section above. 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 Siraj Ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Siraj Ahmed was last updated on October 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.