Active NPI 1073543146 Individual Practitioner Female Practitioner

Dr. Maria Veronica Stapfer , MD

Surgery • Fullerton, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Maria Stapfer, MD is a certified Surgery practicing in Fullerton, CA. With approximately 32 years of clinical experience since graduating from Hahnemann University College Of Medicine in 1994, Dr. Stapfer delivers high-quality medical care to the local community at 1950 SUNNY CREST DR STE 2550.

Dr. Stapfer is affiliated with Providence Medical Foundation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include follow-up hospital inpatient care per day, subsequent hospital care with moderate levelof medical decision making, if using time, at least, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1950 Sunny Crest Dr Ste 2550

Fullerton, CA 928353644

Telephone 7142639383

Medicare Profile & Education

Medical School

Hahnemann University College Of Medicine

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Fullerton, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

32 Yrs +12.0 yrs vs City Avg

City Avg: 20.0 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

14 Specialists

Practicing in Fullerton, CA (3346 Statewide)

Telehealth Adoption Rate

21.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

67.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Stapfer (32 Years) 32 Yrs

Fullerton Specialty Average (20.0 Years) 20.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	201	39	$140.00	$50.83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	80	30	$224.00	$81.40
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	77	51	$170.00	$61.88
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	41	32	$371.00	$134.73
99213 Established patient office or other outpatient visit, typically 15 minutes	26	20	$271.00	$98.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$493.00	$178.77
99221 Initial hospital inpatient care per day, typically 30 minutes	14	14	$234.00	$84.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$381.00	$138.70
47562 Removal of gallbladder using an endoscope	12	12	$1972.95	$569.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	175	45	$100.00	$52.39
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	61	24	$185.00	$84.02
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	60	43	$154.00	$62.84
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	45	40	$350.00	$137.96
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	29	20	$65.00	$26.54
99221 Initial hospital inpatient care per day, typically 30 minutes	20	18	$259.00	$87.69
99213 Established patient office or other outpatient visit, typically 15 minutes	19	18	$245.00	$99.33
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$447.00	$181.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	56	22	$100.00	$40.83
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	53	40	$157.62	$59.74
99213 Established patient office or other outpatient visit, typically 15 minutes	43	30	$252.67	$95.20
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	34	20	$184.12	$75.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$520.86	$173.23
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	24	$346.67	$143.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	61	38	$275.00	$90.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	25	19	$400.00	$121.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	23	$170.00	$45.10
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$600.00	$157.04
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	14	$320.00	$146.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$400.00	$96.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	108	22	$120.00	$42.71
99213 Established patient office or other outpatient visit, typically 15 minutes	60	33	$275.00	$70.78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	25	22	$320.00	$149.31
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	16	16	$750.00	$203.58
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	15	12	$90.00	$10.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	95	26	$120.00	$42.17
99213 Established patient office or other outpatient visit, typically 15 minutes	70	39	$216.50	$55.30
99213 Established patient office or other outpatient visit, typically 15 minutes	31	12	$207.26	$54.92
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	27	27	$600.00	$182.31
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	23	$320.00	$146.79
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	16	$289.13	$86.33
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	16	$470.00	$217.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	64	19	$120.00	$40.48
99213 Established patient office or other outpatient visit, typically 15 minutes	32	18	$170.00	$53.17
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	25	$320.00	$139.24
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	21	21	$480.00	$174.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	16	$250.00	$81.85
48153 Near total removal of pancreas, bile duct, and small bowel with connection of pancreas to small bowel	12	12	$8625.83	$2719.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	27	13	$120.00	$41.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	23	$250.00	$84.18
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	22	19	$340.00	$119.01
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	18	18	$480.00	$180.53
99213 Established patient office or other outpatient visit, typically 15 minutes	16	12	$170.00	$54.55
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	11	$320.00	$146.27

Medical Specialties & State Licenses

CMS Verified: 2026-06-10

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA A60530

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Transplant Surgery

NUCC Taxonomy Code: 204F00000X

State License CA A60530

A surgeon who specializes in transplant surgery.

Hospital & Practice Group Affiliations

Providence Medical Foundation

1950 Sunny Crest Dr, Fullerton, CA 928353644

Providence Medical Foundation

253 S Diamond Bar Blvd, Diamond Bar, CA 917651606

Phone: 9098601144

Providence Medical Foundation

1950 Sunny Crest Dr, Fullerton, CA 928353641

Phone: 7149925350

Secondary Practice Locations

2151 N Harbor Blvd Ste 3100

Fullerton, CA 928353825

Phone: 7144465830

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners

Dr. Nikolai Bildzukewicz , MD

Surgery

NPI 1255547493

Doctor of Medicine (M.D.)

May Trono

Registered Nurse - Ambulatory Care

NPI 1669339750

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 10, 2026

Surgery (License #A60530 in CA)

📍

Updated Practice Location April 02, 2026

Registered at 1950 SUNNY CREST DR STE 2550, FULLERTON, CA 928353644 (Tel: 7142639383)

📍

Updated Practice Location September 25, 2023

Registered at 2151 N HARBOR BLVD STE 3100, FULLERTON, CA 928353825 (Tel: 7144465830)

📍

Updated Business Mailing Address September 25, 2023

Registered at 2151 N HARBOR BLVD STE 3100, FULLERTON, CA 928353825 (Tel: 7144465830)

📍

Updated Practice Location April 23, 2018

Registered at 1516 SAN PABLO ST FL 2, LOS ANGELES, CA 900335313 (Tel: 3234425908)

📍

Updated Business Mailing Address April 23, 2018

Registered at PO BOX 31309, LOS ANGELES, CA 900310309 (Tel: 3234425908)

✅

NPI Profile Active November 27, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location November 27, 2013

Registered at 1510 SAN PABLO STREET, 2ND FLOOR SUITE 200, LOS ANGELES, CA 900335324 (Tel: 3234425908)

📍

Updated Business Mailing Address November 27, 2013

Registered at 1510 SAN PABLO ST, SUITE 514, LOS ANGELES, CA 900335324 (Tel: 3234425908)

👤

Provider Name / Credentials Updated November 27, 2013

Recorded as MARIA STAPFER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 27, 2013

Transplant Surgery (License #A60530 in CA)

🟢

Initial NPI Registration & Enumeration July 04, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1073543146

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 04, 2006

Last Update: June 10, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2151 N Harbor Blvd Ste 3100

Fullerton, CA 928353825

Phone: 7144465830

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.