Active NPI 1477551208 Individual Practitioner Female Practitioner

Tammy L Welch , PA-C

Physician Assistant • Frederick, MD

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Tammy Welch, PA-C is a certified Physician Assistant practicing in Frederick, MD. With approximately 27 years of clinical experience since completing medical education in 1999, Tammy Welch delivers high-quality medical care to the local community at 1562 OPOSSUMTOWN PIKE.

Tammy Welch is affiliated with Frederick Health Medical Group Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, telephone medical discussion with physician. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1562 Opossumtown Pike

Frederick, MD 217024920

Telephone 3016945861

Fax 2404398910

Associated Practice Facility / Clinic

🏢 Frederick Health Hospital Inc Facility NPI 1982600771

Medicare Profile & Education

Medical School

Other

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Frederick, MD

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

27 Yrs +15.1 yrs vs City Avg

City Avg: 11.9 Yrs

State Avg: 11.8 Yrs

Regional Practice Density

107 Specialists

Practicing in Frederick, MD (3255 Statewide)

Telehealth Adoption Rate

23.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

58.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Welch (27 Years) 27 Yrs

Frederick Specialty Average (11.9 Years) 11.9 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
99213 Established patient office or other outpatient visit, typically 15 minutes	179	165	$181.00	$75.67
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	154	141	$32.00	$13.91
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	69	69	$359.00	$153.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	42	$255.00	$107.21
99441 Telephone medical discussion with physician, 5-10 minutes	28	28	$112.00	$47.91
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$333.00	$130.47
99442 Telephone medical discussion with physician, 11-20 minutes	18	17	$180.00	$77.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	166	150	$181.00	$78.27
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	75	74	$358.00	$154.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$333.00	$142.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	50	$255.00	$109.63
99442 Telephone medical discussion with physician, 11-20 minutes	17	17	$181.00	$78.69
99441 Telephone medical discussion with physician, 5-10 minutes	17	17	$112.00	$48.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$224.00	$97.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	99	88	$238.29	$113.18
99213 Established patient office or other outpatient visit, typically 15 minutes	90	85	$161.00	$80.03
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$236.00	$99.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$358.00	$148.44
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	23	23	$316.87	$159.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	57	50	$161.00	$78.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	26	$235.00	$115.88
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$358.00	$150.09
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	25	24	$315.00	$161.80
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$236.00	$100.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	52	35	$105.00	$34.62
99221 Initial hospital inpatient care per day, typically 30 minutes	43	42	$259.00	$89.70
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$236.00	$96.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	167	92	$104.86	$34.76
99221 Initial hospital inpatient care per day, typically 30 minutes	132	125	$259.00	$89.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	173	150	$185.00	$70.15
99231 Follow-up hospital inpatient care per day, typically 15 minutes	129	73	$104.77	$37.68
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	92	65	$164.53	$69.89
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	38	37	$351.00	$132.16
99221 Initial hospital inpatient care per day, typically 30 minutes	34	34	$259.00	$98.66
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	33	32	$146.14	$100.08
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$516.00	$194.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	1,728	39	$15.63	$12.63
20610 Aspiration and/or injection of fluid from large joint	217	131	$151.94	$63.84
J1030 Injection, methylprednisolone acetate, 40 mg	122	76	$10.08	$5.60
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	94	39	$250.00	$146.19
99213 Established patient office or other outpatient visit, typically 15 minutes	67	62	$95.00	$63.44
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	52	46	$66.00	$37.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	20	$144.00	$93.08
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$121.00	$65.04
27130 Replacement of thigh bone and hip joint with prosthesis	13	13	$4900.00	$191.97

Medical Specialties & State Licenses

CMS Verified: 2025-06-17

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License MD C0002632

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Frederick Health Medical Group Llc

194 Thomas Johnson Dr, Frederick, MD 217024679

Phone: 2402156310

Frederick Health Medical Group Llc

16403 Old Emmitsburg Rd, Emmitsburg, MD 217278929

Phone: 2402156310

Frederick Health Medical Group Llc

1 Frederick Health Way, Frederick, MD 217019435

Phone: 2402156310

Frederick Health Medical Group Llc

1194 Dutchmans Creek Dr, Brunswick, MD 217169786

Phone: 2402156310

Frederick Health Medical Group Llc

501 W 7th St, Frederick, MD 217015096

Phone: 2402156310

Frederick Health Medical Group Llc

400 W 7th St, Frederick, MD 217014506

Phone: 2402156310

Frederick Health Medical Group Llc

7211 Bank Ct, Frederick, MD 217038482

Phone: 2402156310

Frederick Health Medical Group Llc

504 E Ridgeville Blvd, Mount Airy, MD 217715942

Phone: 2402156310

Practice Associates & Co-Workers

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

36 Associated Practitioners

Dr. Jesus Esquivel , MD

Surgery

NPI 1003877515

Doctor of Medicine (M.D.)

Marilyn Marshall

Physician Assistant

NPI 1063743250

Amy Mcgreevy , RN, MS, CRNP, OCN

Nurse Practitioner - Acute Care

NPI 1093896219

Registered Nurse, Master of Science, Certified Registered Nurse Practitioner, OCN

Sarah Hooper , CRNP

Nurse Practitioner - Adult Health

NPI 1144213893

Certified Registered Nurse Practitioner

Dr. Mihir Jani , MD

Orthopaedic Surgery - Sports Medicine

NPI 1144283359

Doctor of Medicine (M.D.)

Dr. Marsha Shaw , MD

Internal Medicine

NPI 1144454570

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

10 Historical Events

📍

Updated Practice Location June 17, 2025

Registered at 1562 OPOSSUMTOWN PIKE, FREDERICK, MD 217024920 (Tel: 3016945861)

📍

Updated Business Mailing Address June 17, 2025

Registered at 1 FREDERICK HEALTH WAY, FREDERICK, MD 217019435

📍

Updated Practice Location March 07, 2019

Registered at 20410 OBSERVATION DR STE 100, GERMANTOWN, MD 208766419 (Tel: 3017620277)

📍

Updated Business Mailing Address March 07, 2019

Registered at 20410 OBSERVATION DR STE 100, GERMANTOWN, MD 208766419 (Tel: 3017620277)

✅

NPI Profile Active February 04, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location February 04, 2008

Registered at 501 W 7TH ST STE D, FREDERICK, MD 217014589 (Tel: 3016945861)

📍

Updated Business Mailing Address February 04, 2008

Registered at 501 W 7TH ST STE D, FREDERICK, MD 217014589 (Tel: 3016945861)

👤

Provider Name / Credentials Updated February 04, 2008

Recorded as TAMMY WELCH, PAC

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 04, 2008

Physician Assistant (License #C0002632 in MD)

🟢

Initial NPI Registration & Enumeration July 14, 2005

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: 1477551208

Entity Type:

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

Enumeration Date: July 14, 2005

Last Update: June 17, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1 Frederick Health Way

Frederick, MD 217019435

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.